WO2023246422A1 - 数据处理方法和数据处理装置 - Google Patents
数据处理方法和数据处理装置 Download PDFInfo
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- WO2023246422A1 WO2023246422A1 PCT/CN2023/096402 CN2023096402W WO2023246422A1 WO 2023246422 A1 WO2023246422 A1 WO 2023246422A1 CN 2023096402 W CN2023096402 W CN 2023096402W WO 2023246422 A1 WO2023246422 A1 WO 2023246422A1
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- modulation symbols
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- constellations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
- H04L27/2621—Reduction thereof using phase offsets between subcarriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3444—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power by applying a certain rotation to regular constellations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Definitions
- the present application relates to the field of wireless communications, and in particular, to a data processing method and a data processing device.
- a sending device sends a signal to a receiving device through a power amplifier.
- the peak to average power ratio (PAPR) of the signal transmitted through the power amplifier determines the coverage of the signal, or in other words, the PAPR of the signal transmitted through the power amplifier determines the power consumption of the transmitting device.
- PAPR peak to average power ratio
- This application provides a data processing method and a data processing device, which can reduce the PAPR of a signal sent through a power amplifier to enhance network coverage or reduce the power consumption of the sending device.
- a data processing method includes: a sending device generates multiple modulation symbols, the multiple modulation symbols correspond to different time domain units, and the same time domain unit corresponds to at least two modulations among the multiple modulation symbols. symbols, at least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations; the sending device generates a first signal based on the plurality of modulation symbols; and the sending device sends the first signal.
- Multiple modulation symbols corresponding to different time domain units can be understood as multiple modulation symbols in different time domain units, or multiple modulation symbols exist in different time domain units, or multiple modulation symbols include different time domain units. , or multiple modulation symbols have different time domain units, or multiple modulation symbols are in different time domain units. This is not limited in the embodiment of the present application.
- the same time domain unit corresponds to at least two modulation symbols among multiple modulation symbols. It can be understood that each time domain unit corresponds to at least two modulation symbols among multiple modulation symbols, that is, one time domain unit corresponds to at least two modulation symbols. .
- the transmitting device can map the bit sequence into multiple modulation symbols in different modulation constellations according to different modulation constellations. Wherein, at least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations. It should be understood that the number of modulation constellations is at least two.
- the sending device generates a first signal based on modulation symbols of different time domain units (ie, multiple modulation symbols).
- the waveform of the first signal may be discrete fourier transform spread orthogonal frequency division multiplexing (DFT-s-ODFM), orthogonal frequency division multiplexing (OFDM) , or single carrier quadrature amplitude modulation (single carrier QAM, SC-QAM), which is not limited in this application.
- DFT-s-ODFM discrete fourier transform spread orthogonal frequency division multiplexing
- OFDM orthogonal frequency division multiplexing
- SC-QAM single carrier quadrature amplitude modulation
- the same time domain unit corresponds to at least two modulation symbols.
- multiple modulation symbols can be processed simultaneously.
- multiple At least two of the modulation symbols are modulated based on different modulation constellations. The distance between these modulation symbols and the origin of the modulation constellation is smaller than the distance between the modulation symbols modulated based on the same modulation constellation and the origin of the modulation constellation.
- At least two modulation symbols modulated based on different modulation constellations among the plurality of modulation symbols correspond to the same time domain unit.
- At least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations, and the at least two modulation symbols correspond to the same time domain unit. That is to say, there are at least two modulation symbols among the modulation symbols obtained based on different modulation constellations.
- the symbols correspond to the same time domain unit. It can also be said that at least two modulation symbols corresponding to the same time domain unit are modulated based on different modulation constellations. Among them, the same time domain unit can be understood as one time domain unit.
- At least two modulation symbols corresponding to the same time domain unit are modulated based on different modulation constellations.
- the sending device processes the modulation symbols corresponding to the same time domain unit, and the generated first signal passes through the PA.
- the PAPR of the first signal is small, which is beneficial to enhancing network coverage or reducing the power consumption of the sending device.
- the number of modulation symbols obtained based on different modulation constellations is the same.
- the number of modulation symbols obtained based on different modulation constellations can be the same.
- the transmitting device when the transmitting device performs modulation based on different modulation constellations, the number of modulation symbols obtained based on different modulation constellations may also be different, which is not limited in this application.
- the number of modulation symbols obtained based on different modulation constellations is the same. These modulation symbols are distributed more evenly in different modulation constellations. The greater the number of modulation symbols obtained based on different modulation constellations, the first When the signal passes through the PA, the PAPR of the first signal is smaller.
- the different modulation constellations include a first modulation constellation, and the index values of the modulation symbols obtained based on the first modulation constellation are non-continuous.
- the first modulation constellation diagram may be any one of different modulation constellation diagrams, and the index values of the modulation symbols obtained based on the first modulation constellation diagram may be discontinuous, which is not limited in this application.
- the number of modulation symbols obtained based on the first modulation constellation diagram may be the same as or different from the number of modulation symbols obtained based on other modulation constellation diagrams.
- the other modulation constellations are modulation constellations in different modulation constellations other than the first modulation constellation.
- index value of the modulation symbol obtained based on the first modulation constellation diagram is discontinuous, based on other modulation constellations
- the index values of the modulation symbols obtained from the figure may be continuous or non-continuous, which is not limited in the embodiment of the present application.
- the index values of modulation symbols obtained based on the same modulation constellation diagram are discontinuous.
- Modulation symbols with adjacent index values can be obtained based on different modulation constellation diagrams.
- the distance from adjacent modulation symbols to the origin of the modulation constellation diagram is The smaller distance difference can make the PAPR of the first signal smaller when the first signal passes through the PA, which is beneficial to enhancing network coverage or reducing the power consumption of the sending device.
- m is the index value of multiple modulation symbols
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- the adjacent X modulation symbols are obtained based on different modulation constellations.
- the smallest distance between these , the PAPR of the first signal is the smallest.
- At least two modulation symbols among the plurality of modulation symbols modulated based on different modulation constellations correspond to different time domain units.
- At least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations, and the at least two modulation symbols correspond to different time domain units. That is to say, at least two modulation symbols obtained based on different modulation constellations correspond to different time domain units. Domain unit, the modulation symbols corresponding to the same time domain unit are obtained based on the same modulation constellation diagram. It can also be said that the modulation symbols corresponding to at least two time domain units in different time domain units are modulated based on different modulation constellations.
- the sending device processes the modulation symbols corresponding to different time domain units to generate a first signal.
- the PAPR of the first signal is small, which is beneficial to enhancing network coverage or reducing the power consumption of the sending device.
- the first aspect there are at least two modulation symbols modulated based on different modulation constellations among the modulation symbols corresponding to different time domain units, and there are among the modulation symbols corresponding to the same time domain unit. At least two modulation symbols are modulated based on different modulation constellations.
- the modulation symbols obtained based on different modulation constellations there are at least two modulation symbols corresponding to different time domain units, and there are at least two modulation symbols corresponding to the same time domain unit. That is to say, the modulation symbols corresponding to the same time domain unit are based on different The modulation constellation diagram is obtained, and the modulation symbols corresponding to at least two time domain units in different time domain units are obtained based on different modulation constellation diagrams.
- the modulation symbols corresponding to at least two time domain units in different time domain units are obtained based on different modulation constellations.
- the modulation symbols corresponding to the same time domain unit are obtained based on different modulation constellations.
- the transmitting device Multiple modulation symbols are processed, and when the generated first signal passes through the PA, the PAPR of the first signal can be reduced, which is beneficial to enhancing network coverage or reducing power consumption of the sending device.
- the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations is the same.
- the data processing method provided by this application is based on the time domain unit corresponding to the modulation symbols obtained from different modulation constellations. If the number of elements is the same, the greater the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations, the smaller the PAPR of the first signal will be when the first signal passes through the PA.
- the different modulation constellations include a first modulation constellation, and the index values of the time domain units corresponding to the modulation symbols obtained based on the first modulation constellation are non-continuous.
- the index values of the time domain units corresponding to the modulation symbols obtained based on the same modulation constellation diagram are discontinuous.
- the modulation symbols corresponding to adjacent time domain units can be obtained based on different modulation constellation diagrams.
- the distance difference between the modulation symbol corresponding to the domain unit and the origin of the modulation constellation diagram is small, which can make the PAPR of the first signal smaller when the first signal passes through the PA, which is beneficial to enhancing network coverage or reducing the power consumption of the transmitting device.
- l is the index value of different time domain units
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- the adjacent X time domain units are obtained based on different modulation constellations.
- phase offset may also be called a phase offset angle, which is not limited in this application.
- the phase offset angle may be an angle resulting from a clockwise or counterclockwise rotation of one modulation constellation relative to another modulation constellation, which is not limited in this application.
- the phase offset range is or Among them, p is an integer.
- the phase offset is not equal to Among them, p is an integer and Q is the modulation order; or,
- the phase shift is not equal to
- the phase offset may include at least one of the following angles:
- the above method further includes: the sending device sending first indication information, where the first indication information is used to indicate different modulation constellations.
- the sending device sends indication information for indicating different modulation constellations to the receiving device, which allows the receiving device to determine different modulation constellations according to the indication information without presetting a fixed modulation constellation, and is flexible. Stronger.
- the first indication information includes different modulation constellations The phase offset between any two modulation constellations in the figure.
- the transmitting device sends the phase offset between any two modulation constellations in different modulation constellations to the receiving device.
- the receiving device can determine different modulation constellations based on the phase offset between any two modulation constellations to facilitate matching. Modulation symbols are demodulated.
- the first indication information includes the phase offset between any two modulation constellations in different modulation constellations, which can quickly determine the different modulation constellations.
- the first indication information includes The content is related to the number of modulation constellation diagrams. If the number of modulation constellation diagrams is small, the first indication information includes less content, which can save the number of bytes of indication information and help reduce the energy consumption of the sending device.
- the first indication information includes phase offsets of modulation constellations corresponding to the plurality of modulation symbols.
- the first indication information includes phase offsets of modulation constellations corresponding to multiple modulation symbols, that is, the sending device sends the phase offset of each modulation constellation in the multiple modulation symbols to the receiving device. After the receiving device receives the first indication information, The modulation constellation corresponding to each modulation symbol can be determined to implement demodulation.
- the first indication information can clearly indicate the modulation constellation corresponding to each modulation symbol, which is helpful for the receiving device to quickly demodulate the modulation symbols.
- the first indication information is carried in radio resource control (RRC) signaling, and the RRC signaling also includes the starting time of the first signal.
- RRC radio resource control
- the first indication information and the indication information of the starting time of the first signal are pre-configured, and there is no need to send the indication information, which can save signaling.
- the indication information of the starting time of the first signal includes the starting time of the first signal or a time offset from the first indication information, and the time offset is used for Indicates the starting time of the first signal.
- the first indication information includes the starting time of the first signal, which can be understood as a direct indication.
- the first indication information includes a time offset from the first indication information, which can be understood as an indirect indication.
- the receiving device may determine the starting time of the first signal based on the time offset from the first indication information.
- the data processing method provided by this application provides two ways of indicating the starting time of the first signal, which can be applied to more scenarios and has greater flexibility.
- the first indication information is carried in Radio Resource Control RRC signaling; the above method further includes: the sending device sends second indication information, and the second indication information includes activating the first A time indicating the message.
- the first indication information is pre-configured, and the time to activate the first indication information is dynamically indicated, which can save part of the signaling and increase part of the flexibility.
- the second indication information is carried in downlink control information DCI or medium access control protocol control element MAC-CE.
- the first indication information is carried in downlink control information DCI.
- the first indication information is dynamically indicated and has greater flexibility.
- the time domain unit is orthogonal frequency division multiplexing OFDM Symbol, slot, subframe, frame or mini-slot.
- the first signal is obtained by performing discrete Fourier transform and/or inverse discrete Fourier transform on multiple modulation symbols.
- a data processing method includes: a receiving device receives a first signal.
- the first signal is generated based on multiple modulation symbols.
- the multiple modulation symbols correspond to different time domain units.
- the same time domain unit Corresponding to at least two modulation symbols among the plurality of modulation symbols, at least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations; the receiving device processes the first signal.
- At least two modulation symbols modulated based on different modulation constellations among the plurality of modulation symbols correspond to the same time domain unit.
- the number of modulation symbols obtained based on different modulation constellations is the same.
- the different modulation constellations include a first modulation constellation, and the index values of the modulation symbols obtained based on the first modulation constellation are non-continuous.
- m is the index value of multiple modulation symbols
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- At least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations and correspond to different time domain units.
- the second aspect there are at least two modulation symbols modulated based on different modulation constellations among the modulation symbols corresponding to different time domain units, and there are at least two modulation symbols corresponding to the same time domain unit. At least two modulation symbols are modulated based on different modulation constellations.
- the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations is the same.
- the different modulation constellations include a first modulation constellation, and the index values of the time domain units corresponding to the modulation symbols obtained based on the first modulation constellation are non-continuous.
- l is the index value of different time domain units
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- the phase offset range is or Among them, p is an integer.
- the phase offset is not equal to Among them, p is an integer, Q is the modulation order; or,
- the phase shift is not equal to
- the phase offset may include at least one of the following angles:
- the above method further includes: the receiving device receives first indication information, where the first indication information is used to indicate different modulation constellations.
- the first indication information includes a phase offset between any two modulation constellations in different modulation constellations.
- the first indication information includes phase offsets of modulation constellations corresponding to the plurality of modulation symbols.
- the first indication information is carried in radio resource control RRC signaling, and the RRC signaling also includes indication information of the starting time of the first signal.
- the indication information of the starting time of the first signal includes the starting time of the first signal or a time offset from the first indication information, and the time offset is used Indicates the starting time of the first signal.
- the first indication information is carried in radio resource control RRC signaling; the method further includes: the receiving device receives the second indication information, and the second indication information includes activating the first Indicates the time of the message.
- the second indication information is carried in downlink control information DCI or medium access control protocol control element MAC-CE.
- the first indication information is carried in downlink control information DCI.
- the time domain unit is an orthogonal frequency division multiplexing OFDM symbol, time slot, subframe, frame or mini-slot.
- the first signal is obtained by performing discrete Fourier transform and/or inverse discrete Fourier transform on multiple modulation symbols.
- a third aspect provides a data processing device, which can also be called a communication device.
- the device includes: a processing unit and a transceiver unit.
- the processing unit is used to: generate multiple modulation symbols, the multiple modulation symbols correspond to different time domain units, the same time domain unit corresponds to at least two modulation symbols among the multiple modulation symbols, and at least two modulation symbols among the multiple modulation symbols
- the symbols are modulated based on different modulation constellations; the first signal is generated based on multiple modulation symbols; the transceiver unit is used to: send the first signal.
- At least two modulation symbols modulated based on different modulation constellations among the plurality of modulation symbols correspond to the same time domain unit.
- the number of modulation symbols obtained based on different modulation constellations is the same.
- the different modulation constellations include a first modulation constellation, and the index values of the modulation symbols obtained based on the first modulation constellation are non-continuous.
- m is the index value of multiple modulation symbols
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- At least two modulation symbols among the plurality of modulation symbols correspond to different time domain units.
- the third aspect there are at least two modulation symbols modulated based on different modulation constellations among the modulation symbols corresponding to different time domain units, and there are at least two modulation symbols corresponding to the same time domain unit. At least two modulation symbols are modulated based on different modulation constellations.
- the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations is the same.
- the different modulation constellations include a first modulation constellation, and the index values of the time domain units corresponding to the modulation symbols obtained based on the first modulation constellation are non-continuous.
- l is the index value of different time domain units
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- the phase offset range is or Among them, p is an integer.
- the phase offset is not equal to Among them, p is an integer and Q is the modulation order; or,
- the phase shift is not equal to
- the phase offset may include at least one of the following angles:
- the above-mentioned transceiver unit is further configured to: send first indication information, and the first indication information is used to indicate different modulation constellations.
- the first indication information includes a phase offset between any two modulation constellations in different modulation constellations.
- the first indication information includes phase offsets of modulation constellations corresponding to the plurality of modulation symbols.
- the first indication information is carried in the radio resource control In the RRC signaling, the RRC signaling also includes indication information of the starting time of the first signal.
- the indication information of the starting time of the first signal includes the starting time of the first signal or a time offset from the first indication information, and the time offset is used for Indicates the starting time of the first signal.
- the first indication information is carried in radio resource control RRC signaling; the above-mentioned transceiver unit is further configured to: send second indication information, and the second indication information includes activating the third aspect.
- a time indicating the message is carried in radio resource control RRC signaling; the above-mentioned transceiver unit is further configured to: send second indication information, and the second indication information includes activating the third aspect. A time indicating the message.
- the second indication information is carried in downlink control information DCI or medium access control protocol control element MAC-CE.
- the first indication information is carried in downlink control information DCI.
- the time domain unit is an orthogonal frequency division multiplexing OFDM symbol, time slot, subframe, frame or mini-slot.
- the first signal is obtained by performing discrete Fourier transform and/or inverse discrete Fourier transform on multiple modulation symbols.
- a data processing device which device includes: a transceiver unit and a processing unit.
- the transceiver unit is used to: receive a first signal, the first signal is generated based on multiple modulation symbols, the multiple modulation symbols correspond to different time domain units, and the same time domain unit corresponds to at least two modulations among the multiple modulation symbols. symbols, at least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations; the processing unit is used to: process the first signal.
- At least two modulation symbols modulated based on different modulation constellations among the plurality of modulation symbols correspond to the same time domain unit.
- the number of modulation symbols obtained based on different modulation constellations is the same.
- the different modulation constellations include a first modulation constellation, and the index values of the modulation symbols obtained based on the first modulation constellation are non-continuous.
- m is the index value of multiple modulation symbols
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- At least two modulation symbols among the plurality of modulation symbols modulated based on different modulation constellations correspond to different time domain units.
- the fourth aspect there are at least two modulation symbols modulated based on different modulation constellations among the modulation symbols corresponding to different time domain units, and there are among the modulation symbols corresponding to the same time domain unit. At least two modulation symbols are modulated based on different modulation constellations.
- the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations is the same.
- the different modulation constellations include the first modulation constellation Constellation diagram, the index value of the time domain unit corresponding to the modulation symbol obtained based on the first modulation constellation diagram is discontinuous.
- l is the index value of different time domain units
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- the phase offset range is or Among them, p is an integer.
- the phase offset is not equal to Among them, p is an integer and Q is the modulation order; or,
- the phase shift is not equal to
- the phase offset may include at least one of the following angles:
- the above-mentioned transceiver unit is further configured to: receive first indication information, where the first indication information is used to indicate different modulation constellations.
- the first indication information includes a phase offset between any two modulation constellations in different modulation constellations.
- the first indication information includes phase offsets of modulation constellations corresponding to the plurality of modulation symbols.
- the first indication information is carried in radio resource control RRC signaling, and the RRC signaling also includes indication information of the starting time of the first signal.
- the indication information of the starting time of the first signal includes the starting time of the first signal or a time offset from the first indication information, and the time offset is used Indicates the starting time of the first signal.
- the first indication information is carried in radio resource control RRC signaling; the above-mentioned transceiver unit is further configured to: receive the second indication information, the second indication information includes activating the first A time indicating the message.
- the second indication information is carried in downlink control information DCI or medium access control protocol control element MAC-CE.
- the first indication information is carried in downlink control information DCI.
- the time domain unit is an orthogonal frequency division multiplexing OFDM symbol, time slot, subframe, frame or micro-slot.
- the first signal is obtained by performing discrete Fourier transform and/or inverse discrete Fourier transform on multiple modulation symbols.
- a communication device including a processor and a memory.
- the memory is used to store a computer program.
- the processor is used to call and run the computer program from the memory, so that the device performs any of the above aspects. A method among possible implementations.
- processors there are one or more processors and one or more memories.
- the memory may be integrated with the processor, or the memory may be provided separately from the processor.
- the communication device also includes a transmitter (transmitter) and a receiver (receiver).
- the transmitter and receiver can be set separately or integrated together, called a transceiver (transceiver).
- the present application provides a processor, including: an input circuit, an output circuit and a processing circuit.
- the processing circuit is configured to receive signals through the input circuit and transmit signals through the output circuit, so that the processor performs the method in any of the possible implementations of any of the above aspects.
- the above-mentioned processor can be a chip, the input circuit can be an input pin, the output circuit can be an output pin, and the processing circuit can be a transistor, a gate circuit, a flip-flop, and various logic circuits.
- the input signal received by the input circuit may be received and input by, for example, but not limited to, the receiver, and the signal output by the output circuit may be, for example, but not limited to, output to and transmitted by the transmitter, and the input circuit and the output A circuit may be the same circuit that functions as an input circuit and an output circuit at different times.
- This application does not limit the specific implementation methods of the processor and various circuits.
- a computer-readable storage medium stores a computer program (which may also be referred to as code, or instructions) that when run on a computer causes the computer to execute any of the above aspects. method in any of the possible implementations.
- a computer program product includes: a computer program (which may also be called a code, or an instruction).
- a computer program which may also be called a code, or an instruction.
- the computer program When the computer program is run, it causes the computer to perform any of the above aspects. A method among possible implementations.
- a ninth aspect provides a communication device, including a unit or module for performing any of the possible implementation methods in the first aspect, or including a unit or module for performing any of the possible implementations of the second aspect.
- the unit or module of the method in the method is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to the communication device, including a unit or module for performing any of the possible implementation methods in the first aspect, or including a unit or module for performing any of the possible implementations of the second aspect.
- the unit or module of the method in the method including a unit or module for performing any of the possible implementation methods in the first aspect, or including a unit or module for performing any of the possible implementations of the second aspect.
- a tenth aspect provides a communication system, including the data processing device of the third aspect and the data processing device of the fourth aspect.
- Figure 1 is a schematic diagram of a communication system applicable to the embodiment of the present application.
- Figure 2 is a schematic flow chart of a data processing method
- Figure 3 is a schematic flow chart of a data processing method provided by an embodiment of the present application.
- Figure 4 is a schematic diagram of modulation symbols corresponding to a time domain unit provided by an embodiment of the present application.
- Figure 5 is a schematic diagram of modulation symbols corresponding to different time domain units provided by the embodiment of the present application.
- Figure 6 is a schematic diagram of modulation symbols corresponding to different time domain units and the same time domain unit provided by the embodiment of the present application;
- Figure 7 is a schematic diagram of a different modulation constellation diagram provided by an embodiment of the present application.
- Figure 8 is a schematic block diagram of a data processing device provided by an embodiment of the present application.
- Figure 9 is a schematic block diagram of another data processing device provided by an embodiment of the present application.
- WLAN wireless local area network
- LTE long term evolution
- LTE frequency division duplex frequency division duplex
- FDD frequency division duplex
- TDD LTE time division duplex
- 5G fifth generation mobile communication
- 5G new radio
- WiMAX global interoperability for microwave access
- 5G systems usually include the following three major application scenarios: enhanced mobile broadband (eMBB), ultra-reliable and low latency communications (URLLC) and massive machine type of communications (massive machine type of communication, mMTC), various future communication systems, such as 6G systems.
- eMBB enhanced mobile broadband
- URLLC ultra-reliable and low latency communications
- mMTC massive machine type of communications
- 6G systems various future communication systems, such as 6G systems.
- the terminal equipment in the embodiment of this application may also be called: user equipment (UE), mobile station (MS), mobile terminal (mobile terminal, MT), access terminal, user unit, user station, Mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
- UE user equipment
- MS mobile station
- MT mobile terminal
- access terminal user unit, user station, Mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
- the terminal device may be a device that provides voice/data connectivity to the user, such as a handheld device, a vehicle-mounted device, etc. with wireless connectivity capabilities.
- some examples of terminals are: mobile phones, tablets, laptops, PDAs, mobile internet devices (MID), wearable devices, virtual reality (VR) devices, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, and smart grids Wireless terminals, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocols , SIP) telephone, wireless local loop (WLL) station, personal digital assistant (PDA), handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, vehicle Equipment, wearable devices, drones, terminal equipment in 5G or future 6G networks or terminal equipment in the future evolved public land mobile communication network (public land mobile network, PLMN), etc., the embodiments of this application do not limited.
- the terminal device may also be a terminal device in the Internet of things (IoT) system.
- IoT Internet of things
- Its main technical feature is to transfer items through communication technology. Connect with the network to realize an intelligent network of human-computer interconnection and physical-object interconnection.
- the network device in the embodiment of the present application may be a device used to communicate with a terminal device.
- the network device may also be called an access network device or a wireless access network device, and may be a transmission reception point (TRP).
- TRP transmission reception point
- eNB evolved base station
- eNodeB evolved NodeB
- eNB evolved NodeB
- eNodeB evolved NodeB
- HNB home base station
- BBU baseband unit
- CRAN cloud radio access network
- the network device can be a relay station, access point, vehicle-mounted device, wearable device
- the network equipment in the 5G network or the future 6G network or the network equipment in the future evolved PLMN network can be the access point (AP) in the WLAN or the new radio (NR) system.
- the gNB may be a satellite base station in a satellite communication system, or may be various forms of equipment undertaking base station functions, etc., which are
- network equipment may include centralized unit (CU) nodes, distributed unit (DU) nodes, or RAN equipment including CU nodes and DU nodes, or control plane CU nodes (CU -CP node) and user plane CU node (CU-UP node) and RAN equipment of DU node.
- CU centralized unit
- DU distributed unit
- RAN equipment including CU nodes and DU nodes, or control plane CU nodes (CU -CP node) and user plane CU node (CU-UP node) and RAN equipment of DU node.
- CU -CP node control plane CU nodes
- CU-UP node user plane CU node
- the network equipment provides services for the cell, and the terminal equipment communicates with the cell through the transmission resources (for example, frequency domain resources, or spectrum resources) allocated by the network equipment.
- the cell may belong to a macro base station (for example, macro eNB or macro gNB, etc.) , or it can belong to the base station corresponding to a small cell.
- the small cell here can include: metro cell, micro cell, pico cell, femto cell, etc. , these small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-rate data transmission services.
- the terminal device or network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
- This hardware layer includes hardware such as central processing unit (CPU), memory management unit (MMU) and memory (also called main memory).
- the operating system can be any one or more computer operating systems that implement business processing through processes, such as Linux operating system, Unix operating system, Android operating system, iOS operating system or windows operating system, etc.
- This application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
- the embodiments of the present application do not specifically limit the specific structure of the execution subject of the method provided by the embodiment of the present application, as long as the program that records the code of the method provided by the embodiment of the present application can be run to provide according to the embodiment of the present application.
- the execution subject of the method provided by the embodiment of the present application can be a terminal device or a network device, or a functional module in the terminal device or network device that can call a program and execute the program.
- various aspects or features of the present application may be implemented as methods, apparatus, or articles of manufacture using standard programming and/or engineering techniques.
- article of manufacture encompasses a computer program accessible from any computer-readable device, carrier or medium.
- computer-readable media may include, but are not limited to: magnetic storage devices (e.g., hard disks, floppy disks, tapes, etc.), optical disks (e.g., compact discs (CD), digital versatile discs (DVD)) etc.), smart cards and flash memory devices (e.g. erasable programmable read-only memory (EPROM), cards, sticks or key drives, etc.).
- various storage media described herein may represent one or more devices and/or other machine-readable media for storing information.
- machine-readable medium may include, but is not limited to, wireless channels and various other media capable of storing, containing and/or carrying instructions and/or data.
- the communication system 100 suitable for the embodiment of the present application is first described in detail with reference to FIG. 1 .
- the communication system 100 includes a network device 101 and a terminal device 102.
- Network device 101 may send as Means for sending control information and/or transport blocks to the terminal device 102 via signals.
- the terminal device 102 may also serve as a sending device, sending control information and/or transmission blocks to the network device 101.
- the number of terminal devices may be one or multiple, which is not limited in the embodiments of this application.
- the embodiments of the present application can be applied in a number of different scenarios, including the scenario shown in Figure 1, but are not limited to this scenario.
- the terminal device can be used as a sending device, and the network device can be used as a receiving device;
- the network device can be used as a sending device, and the terminal device can be used as a receiving device;
- the terminal device can be used as a receiving device;
- other scenarios for example, network equipment and network Transmission between devices, in which one network device can be used as a sending device, and another network device can be used as a receiving device;
- another example is transmission between terminal devices, in which one terminal device can be used as a sending device, and another terminal device can be used as a sending device.
- Figure 2 shows a schematic flow chart of a data processing method 200.
- the sending device and the receiving device can perform data processing and data transmission according to the method shown in FIG. 2 .
- the method 200 may include the following steps:
- the sending device obtains the bit sequence to be modulated.
- the bit sequence to be modulated can be understood as the bit sequence to be transmitted.
- the bit sequence to be transmitted needs to be modulated before transmission, and the sending device can modulate the bit sequence to be transmitted. Therefore, the bit sequence to be transmitted can be called the bit sequence to be modulated.
- S201 can also be described as: the sending device obtains a bit sequence.
- the sending device modulates the bit sequence to be modulated to obtain a modulation symbol.
- the role of modulation is to map input bits into modulation symbols as output.
- the sending device can modulate the bit sequence to be modulated based on the existing modulation method to obtain modulation symbols.
- the sending device can map each q bits in the bit sequence to be modulated into a modulation symbol according to the modulation constellation diagram.
- the modulation order can be 1. If the modulation method is quadrature phase shift keying (QPSK), the modulation order can be 2. If the modulation method is 16 quadrature amplitude modulation (QAM), the modulation order can be 4. If the modulation method is 2 q -QAM, the modulation order can be q.
- S202 can also be described as: the sending device modulates the bit sequence to obtain a modulation symbol.
- the sending device generates a signal based on the modulation symbols.
- the transmitting device may generate a signal based on the modulation symbols based on existing methods.
- the sending device amplifies the signal through a power amplifier (PA) to obtain an amplified signal.
- PA power amplifier
- the sending device sends the amplified signal to the receiving device, and accordingly, the receiving device receives the amplified signal.
- the receiving device processes the amplified signal.
- the peak to average power ratio (PAPR) of the transmitted signal of the power amplifier determines the coverage of the signal, or in other words, the PAPR of the transmitted signal of the power amplifier determines the power. amplifier power consumption.
- PAPR peak to average power ratio
- embodiments of the present application provide a data processing method and a data processing device, which can enable the power amplifier to reduce the PAPR of the signal transmitted through the power amplifier when transmitting a signal, so as to enhance network coverage or reduce the power consumption of the transmitting device.
- FIG. 3 shows a schematic flow chart of a data processing method 300 provided by an embodiment of the present application.
- the method 300 may be executed by a sending device, for example, the above-mentioned network device 101 or terminal device 102.
- the method 300 may include the following steps:
- the sending device generates multiple modulation symbols.
- the multiple modulation symbols correspond to different time domain units.
- the same time domain unit corresponds to at least two modulation symbols among the multiple modulation symbols.
- At least two modulation symbols among the multiple modulation symbols are based on different The modulation constellation diagram is modulated.
- the modulation symbols may also be called complex modulation symbols, which are not limited in the embodiments of the present application.
- Multiple modulation symbols corresponding to different time domain units can be understood as multiple modulation symbols in different time domain units, or multiple modulation symbols exist in different time domain units, or multiple modulation symbols include different time domain units. , or multiple modulation symbols have different time domain units, or multiple modulation symbols are in different time domain units. This is not limited in the embodiment of the present application.
- the same time domain unit corresponds to at least two modulation symbols among multiple modulation symbols. It can be understood that each time domain unit corresponds to at least two modulation symbols among multiple modulation symbols, that is, one time domain unit corresponds to at least two modulation symbols. .
- At least two modulation symbols obtained based on different modulation constellations may correspond to the same time domain unit or may correspond to different time domain units, which is not limited in this embodiment of the present application.
- the modulation symbols obtained based on different modulation constellations there may be at least two modulation symbols corresponding to the same time domain unit, or there may be at least two modulation symbols corresponding to different time domain units. This is not limited in the embodiment of the present application.
- the number of modulation symbols corresponding to different time domain units may be the same or different, and this is not limited in the embodiment of the present application.
- the time domain unit may be an orthogonal frequency division multiplexing (OFDM) symbol, time slot, subframe, frame or mini-slot, which is not limited in this embodiment of the present application.
- OFDM orthogonal frequency division multiplexing
- the transmitting device can map the bit sequence into multiple modulation symbols in different modulation constellations according to different modulation constellations. Wherein, at least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations. It should be understood that the number of modulation constellations is at least two.
- the sending device generates a first signal based on multiple modulation symbols.
- the first signal may also be called the first physical channel, which is not limited in this embodiment of the present application.
- the first signal may include at least one of a control channel, a data channel, or a reference signal.
- the control channel may include at least one of a physical downlink control channel (PDCCH), a physical uplink control channel (PUCCH), or a physical sidelink control channel (PSCCH).
- the data channel includes at least one of a physical downlink shared channel (PDSCH), a physical uplink shared channel (PUSCH), or a physical sidelink shared channel (PSSCH).
- Reference signals include downlink reference signals, uplink reference signals, or sidelink reference signals. at least one.
- the sending device generates a first signal based on modulation symbols of different time domain units (ie, multiple modulation symbols).
- the sending device can perform discrete Fourier transform (DFT) and/or inverse discrete Fourier transform (IDFT) on the modulation symbols of different time domain units to obtain the first signal.
- DFT discrete Fourier transform
- IDFT inverse discrete Fourier transform
- IFFT inverse fast fourier transform
- the transmitting device can also perform IFFT processing on the modulation symbols of different time domain units. This is not limited in the embodiments of the present application.
- the waveform of the first signal may be discrete fourier transform spread orthogonal frequency division multiplexing (DFT-s-ODFM), orthogonal frequency division multiplexing (OFDM) , or single carrier quadrature amplitude modulation (single carrier QAM, SC-QAM), which is not limited in the embodiments of this application.
- DFT-s-ODFM discrete fourier transform spread orthogonal frequency division multiplexing
- OFDM orthogonal frequency division multiplexing
- SC-QAM single carrier quadrature amplitude modulation
- the waveform of the first signal obtained is DFT-s-ODFM. If the sending device performs IDFT processing on the modulation symbols of different time domain units, the waveform of the first signal obtained is OFDM. If the transmitting device performs quadrature amplitude modulation processing on the modulation symbols of different time domain units, the obtained first signal waveform is SC-QAM.
- the sending device sends the first signal, and correspondingly, the receiving device receives the first signal.
- the receiving device processes the first signal.
- the receiving device may first process the first signal to obtain multiple modulation symbols, and then demodulate the multiple modulation symbols according to different modulation constellations.
- the receiving device may demodulate multiple modulation symbols according to different preset modulation constellations, or may demodulate multiple modulation symbols according to the modulation constellation indicated by the sending device. This is not limited in the embodiments of the present application.
- the same time domain unit corresponds to at least two modulation symbols.
- multiple modulation symbols can be processed simultaneously.
- At least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations. This modulation method can make the PAPR of the first signal smaller when the first signal passes through the PA, which is beneficial to enhancing network coverage or reducing the cost of the sending device. of power consumption.
- At least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations, and there may be three possible situations for the corresponding relationship between the at least two modulation symbols and the time domain unit.
- the first possible situation at least two modulation symbols modulated based on different modulation constellations among multiple modulation symbols correspond to the same time domain unit.
- At least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations, and the at least two modulation symbols correspond to the same time domain unit. That is to say, there are at least two modulation symbols among the modulation symbols obtained based on different modulation constellations.
- the symbols correspond to the same time domain unit. It can also be said that at least two modulation symbols corresponding to the same time domain unit are modulated based on different modulation constellations. Among them, the same time domain unit can be understood as one time domain unit.
- FIG. 4 shows a schematic diagram of modulation symbols corresponding to one time domain unit.
- the number of time domain units is 2
- each time domain unit corresponds to 6 modulation symbols
- the number of different modulation constellations is 2
- these two modulation constellations are modulation constellations 1 and modulation constellation diagram 2.
- the modulation symbols filled with black are obtained based on modulation constellation 1
- the modulation symbols filled with white are obtained based on modulation constellation 2. That is to say, among the modulation symbols obtained based on different modulation constellations, there are 6 modulation symbols corresponding to the same time domain unit. (Time Domain Unit 1 or or time domain unit 2).
- the modulation symbols corresponding to different time domain units have the same characteristics.
- time domain units there may be only at least two modulation symbols corresponding to one time domain unit modulated based on different modulation constellations, or there may be at least two modulation symbols corresponding to each time domain unit in two or more time domain units.
- the modulation symbols are modulated based on different modulation constellations, and this is not limited in the embodiment of the present application.
- At least two modulation symbols corresponding to the same time domain unit are modulated based on different modulation constellations.
- the sending device processes the modulation symbols corresponding to the same time domain unit, and the generated first signal is processed During PA, the PAPR of the first signal is smaller, which is beneficial to enhancing network coverage or reducing the power consumption of the sending device.
- the number of modulation symbols obtained by different modulation constellations is the same or different.
- the number of modulation symbols obtained based on different modulation constellations may be the same, or the number of modulation symbols obtained based on different modulation constellations may be different.
- the embodiments of this application are This is not a limitation.
- the number of modulation constellations is 2, and they are modulation constellation 1 and modulation constellation 2 respectively.
- the number of modulation symbols obtained based on modulation constellation diagram 1 may be the same as the number of modulation symbols obtained based on modulation constellation diagram 2, that is, both are 5.
- the number of modulation symbols obtained based on modulation constellation diagram 1 may be different from the number of modulation symbols obtained based on modulation constellation diagram 2.
- the number of modulation symbols obtained based on modulation constellation diagram 1 The number may be 3, and the number of modulation symbols obtained based on the modulation constellation diagram 2 may be 7.
- the different modulation constellations include a first modulation constellation, and the index values of the modulation symbols obtained based on the first modulation constellation are continuous or non-continuous.
- the index value of a modulation symbol can distinguish different modulation symbols, and the index value of a modulation symbol can be an integer greater than or equal to 0.
- the first modulation constellation diagram may be any one of different modulation constellation diagrams, and the index values of the modulation symbols obtained based on the first modulation constellation diagram may be continuous or discontinuous, which is not limited in this embodiment of the present application.
- the number of modulation symbols obtained based on the first modulation constellation diagram may be the same as or different from the number of modulation symbols obtained based on other modulation constellation diagrams.
- the other modulation constellations are modulation constellations in different modulation constellations other than the first modulation constellation.
- the number of modulation symbols obtained based on the first modulation constellation diagram may be the same as or different from the number of modulation symbols obtained based on other modulation constellation diagrams.
- the index values of the modulation symbols obtained based on the first modulation constellation diagram are continuous, the index values of the modulation symbols obtained based on other modulation constellation diagrams may be continuous or non-continuous, which is not limited in this embodiment of the present application.
- m is the index value of multiple modulation symbols
- X is the number of different modulation constellations
- X is greater than or equal to is an integer of 2
- mod() is a remainder operation
- one time domain unit corresponds to M modulation symbols, and M is an integer greater than or equal to 2, the M modulation symbols can be respectively d 0 , d 1 , d 2 ,..., d M -1 , M modulation symbols are obtained based on different modulation constellations.
- the modulation symbols obtained based on any one of the different modulation constellations can form a set, then the number of sets is the same as the number of different modulation constellations. .
- the number of different modulation constellations is X
- M modulation symbols are evenly distributed to each set, and the index values of the modulation symbols in each set are continuous, that is, the modulation symbols obtained based on each modulation constellation in different modulation constellations.
- the number of is the same, and the index value of the modulation symbol obtained based on each modulation constellation diagram in different modulation constellation diagrams is continuous.
- each of the three sets can include 24 modulation symbols, and the index values of the 24 modulation symbols are continuous.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2
- the modulation symbols in ⁇ 3 may be modulated by the sending device using modulation constellation 2.
- Constellation diagram 3 is modulated. Modulation may also be called mapping, which is not limited in the embodiments of the present application.
- the indices of the modulation symbols included in ⁇ 1 , ⁇ 2 , and ⁇ 3 are 0 to 23, 24 to 47, and 48 to 71 respectively.
- each of the two sets can include 36 modulation symbols, and the index values of the 36 modulation symbols are continuous.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2.
- the indexes of the modulation symbols included in ⁇ 1 and ⁇ 2 are 0 to 35 and 36 to 71 respectively.
- M modulation symbols are non-uniformly allocated to each set, and the index values of the modulation symbols in each set are continuous, that is, based on any two modulation constellations in different modulation constellations.
- the number of modulation symbols is different, and the index value of the modulation symbol obtained based on any one of the different modulation constellations is continuous.
- the index values of the modulation symbols in each set are continuous.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2
- the modulation symbols in ⁇ 3 may be modulated by the sending device using modulation constellation 2.
- Constellation diagram 3 is modulated. Among them, the indexes of the modulation symbols included in ⁇ 1 , ⁇ 2 , and ⁇ 3 are 0 to 11, 12 to 35, and 36 to 71 respectively.
- the index values of the modulation symbols in each set are continuous.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbol in ⁇ 1 can be The transmitting device uses modulation constellation diagram 1 for modulation.
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation diagram 2.
- the indexes of the modulation symbols included in ⁇ 1 and ⁇ 2 are 0 to 23 and 24 to 71 respectively.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2
- the modulation symbols in ⁇ 3 may be modulated by the sending device using modulation constellation 2.
- Constellation diagram 3 is modulated.
- the indexes of the modulation symbols included in ⁇ 1 are 0,3,6...69, that is, the index value difference between adjacent modulation symbols is 3
- the indexes of the modulation symbols included in ⁇ 2 are 1,4,7...70, that is, the index value of adjacent modulation symbols is 3.
- the index value difference of adjacent modulation symbols is 3, and the indexes of the modulation symbols included in ⁇ 3 are 2, 5, 8...71, that is, the index value difference of adjacent modulation symbols is 3.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2.
- the index of the modulation symbol included in ⁇ 1 is 0, 2, 4...70, that is, the index value difference of adjacent modulation symbols is 2
- the index of the modulation symbol included in ⁇ 2 is 1, 3, 5... 71, that is, the index value of adjacent modulation symbols is 2.
- the difference in index values of adjacent modulation symbols is 2.
- the sending device performs different processing on the M modulation symbols corresponding to the above-mentioned one time domain unit, so that the waveform of the first signal can be different.
- the transmitting device processes the modulation symbols corresponding to different time domain units in the same manner.
- M modulation symbols corresponding to any time domain unit are used for description.
- the waveform of the first signal obtained is DFT-s-ODFM.
- y k can be expressed by the following formula:
- the sending device directly performs IDFT processing on y k . If the input length N of IDFT is equal to M, the sending device directly performs IDFT processing on y k . If the input length N of IDFT is greater than M, the sending device can first perform subcarrier mapping on y k of length M to obtain the long y′ k with degree N, and then perform IDFT processing on y′ k .
- the sending device can perform zero padding operation on y k of length M to obtain y' k of length N.
- the positions of zero in y′ k may be dispersed or concentrated, which is not limited in the embodiment of the present application.
- the position of y k in y′ k can be a part of continuous concentrated positions, or it can be discrete positions at intervals.
- the sending device can obtain the first signal according to sn .
- s n can be expressed by the following formula:
- the waveform of the first signal obtained is an ODFM waveform.
- the transmitting device directly performs IDFT processing on M modulation symbols. If the input length N of IDFT is greater than M, the sending device can first perform subcarrier mapping on the modulation symbol of length M to obtain a modulation symbol of length N, and then perform IDFT processing on the modulation symbol of length N.
- the sending device can perform a zero padding operation on the modulation symbol of length M to obtain a modulation symbol of length N.
- the positions of zeros in the modulation symbol of length N may be dispersed or concentrated, which is not limited in the embodiment of the present application. That is to say, the position of the modulation symbol of length M in the modulation symbol of length N can be a part of continuous concentrated positions, or it can be a discrete position at intervals.
- the sending device can obtain the first signal according to s′ n .
- s′ n can be expressed by the following formula:
- At least two modulation symbols among the M modulation symbols are obtained by modulating a bit sequence based on different modulation constellations.
- the bit sequence may include bits in one bit sequence or may include bits in multiple bit sequences. , the embodiment of the present application does not limit this.
- the transmitting device can modulate the bits in the same bit sequence based on the same modulation constellation. These multiple bit sequences may be sent by the sending device to the same receiving device, or may be sent by the sending device to different receiving devices. This is not limited in the embodiments of the present application.
- the bit sequence includes two bit sequences, and the two bit sequences are bits in bit sequence 1 and bit sequence 2 respectively.
- the sending device can modulate the bits in bit sequence 1 based on the modulation constellation diagram 1, and can The bits in bit sequence 2 are modulated based on modulation constellation 2. If the two bit sequences are sent to the same receiving device, the first signal may include the information of bit sequence 1 and bit sequence 2. If the two bit sequences are sent to different receiving devices, the first signal may include the bit sequence 1 or bit sequence 2 information.
- the second possible situation among the multiple modulation symbols, at least two modulation symbols modulated based on different modulation constellations correspond to different time domain units.
- At least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations, and the at least two modulation symbols correspond to different time domain units. That is to say, at least two modulation symbols obtained based on different modulation constellations correspond to different time domain units. Domain unit, the modulation symbols corresponding to the same time domain unit are obtained based on the same modulation constellation diagram. It can also be said that the modulation symbols corresponding to at least two time domain units in different time domain units are modulated based on different modulation constellations.
- FIG. 5 shows a schematic diagram of modulation symbols corresponding to different time domain units.
- the number of time domain units is 2
- each time domain unit corresponds to 6 modulation symbols
- the number of different modulation constellations is 2
- these two modulation constellations are modulation constellations 1 and modulation constellation diagram 2.
- the modulation symbols filled with black are obtained based on modulation constellation diagram 1
- the modulation symbols filled with white are obtained based on modulation constellation diagram 2.
- the modulation symbols obtained based on modulation constellation diagram 1 correspond to time domain unit 2
- the modulation symbols obtained based on modulation constellation diagram 2 The symbols correspond to time domain unit 1, that is, the modulation symbols obtained based on different modulation constellations correspond to different time domain units.
- the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations is the same or different.
- the number of time domain units corresponding to the modulation symbols obtained by the transmitting device based on different modulation constellations may be the same or different, and this is not limited in the embodiments of the present application.
- the number of different modulation constellations may be 2.
- the two modulation constellations are modulation constellation 1 and modulation constellation 2 respectively.
- the number of time domain units corresponding to the modulation symbols obtained based on modulation constellation 1 is equal to
- the number of time domain units corresponding to the modulation symbols obtained based on the modulation constellation diagram 1 is the same or different.
- the different modulation constellations include a first modulation constellation, and the index values of the time domain units corresponding to the modulation symbols obtained based on the first modulation constellation are continuous or discontinuous.
- the index value of a time domain unit can distinguish different time domain units, and the index value of a time domain unit can be an integer greater than or equal to 0.
- the first modulation constellation diagram can be any one of different modulation constellation diagrams.
- the index value of the time domain unit corresponding to the modulation symbol obtained based on the first modulation constellation diagram can be continuous or non-continuous.
- the embodiment of this application is This is not a limitation.
- the number of time domain units corresponding to the modulation symbols obtained based on the first modulation constellation diagram can be the same as that based on any other modulation constellation diagram.
- the number of time domain units corresponding to the obtained modulation symbols may be the same or different.
- the index value of the time domain unit corresponding to the modulation symbol obtained based on the first modulation constellation diagram is continuous, the index value of the time domain unit corresponding to the modulation symbol obtained based on any other modulation constellation diagram may be continuous or non- Continuous, which is not limited in the embodiments of this application.
- l is the index value of different time domain units
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- the L time domain units can be L 0 , L 1 , L 2 ,..., L respectively.
- L-1 if one time domain unit corresponds to M modulation symbols, the number of multiple symbols can be L*M.
- the modulation symbols corresponding to different time domain units are obtained based on different modulation constellations.
- L time domain units are evenly distributed to each set, and the index value of the time domain unit in each set is continuous, that is, based on each modulation constellation in different modulation constellations.
- the number of time domain units corresponding to the modulation symbols is the same, and the index values of the time domain units corresponding to the modulation symbols obtained based on each modulation constellation diagram in different modulation constellations are continuous.
- each of the three sets can include 10 time domain units, and the index values of the 10 time domain units are continuous.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- Modulation may also be called mapping, which is not limited in the embodiments of the present application.
- each of the two sets can include 15 time domain units, and the index values of the 15 time domain units are continuous.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- L time domain units are non-uniformly allocated to each set, and the index values of the time domain units in each set are continuous, that is, based on any two modulation constellations in different modulation constellations.
- the number of time domain units corresponding to the modulation symbols obtained from the diagram is different, and the index values of the time domain units corresponding to the modulation symbols obtained based on any one of the different modulation constellation diagrams are continuous.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the index values of the time domain units in each set are continuous.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the formula mod(l,X) i-1.
- ⁇ 1 ⁇ L 0 , L 3 , L 6 ,..., L 27 ⁇
- ⁇ 2 ⁇ L 1 , L 4 , L 7 ,... .,L 28 ⁇
- ⁇ 3 ⁇ L 2 , L 5 , L 8 ,..., L 29 ⁇ .
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the sending device performs different processing on the modulation symbols corresponding to the above-mentioned L time domain units, so that the waveform of the first signal is different.
- the waveform of the first signal obtained is DFT-s-ODFM.
- y l*M+k can be expressed by the following formula:
- the input length of DFT is equal to the number of modulation symbols corresponding to one time domain unit, that is, the length is M. If the input length N of IDFT is equal to M, the sending device directly performs IDFT processing on y l*M+k . If the input length N of IDFT is greater than M, the sending device can first perform subcarrier mapping on y l*M+k of length M to obtain y′ l*M+k of length N, and then map y′ l*M +k performs IDFT processing.
- the sending device can perform a zero-padding operation on y l*M+k of length M to obtain y′ l*M+k of length N.
- the positions of zero in y′ l*M+k may be dispersed or concentrated, which is not limited in the embodiment of the present application.
- the position of y l*M+k in y′ l*M+k can be a part of continuous concentrated positions, or it can be discrete positions at intervals.
- the sending device can obtain the first signal according to sn .
- s n can be expressed by the following formula:
- the waveform of the first signal obtained is an ODFM waveform.
- the transmitting device In the l-th time domain unit among the L time domain units, if the input length N of the IDFT is equal to M, the transmitting device directly performs IDFT processing on the modulation symbol d l*M+m . If the input length N of IDFT is greater than M, the sending device can first perform subcarrier mapping on the modulation symbol d l*M+m of length M to obtain a modulation symbol d l*M+n of length N, and then map the modulation symbol d l*M+n of length Modulation symbols d l*M+n of N are subjected to IDFT processing.
- the sending device may perform a zero-padding operation on the modulation symbol d l*M+m of length M to obtain a modulation symbol d l*M+n of length N.
- the positions of zeros in the modulation symbol d l*M+n of length N may be dispersed or concentrated, which is not limited in the embodiment of the present application. That is to say, the position of the modulation symbol d l*M+m of length M in the modulation symbol d l*M+n of length N can be a part of continuous concentrated positions, or it can be a discrete position at intervals.
- the sending device can obtain the first signal according to s′ n .
- s′ n can be expressed by the following formula:
- At least two time domain units among the L time domain units are obtained by modulating the bit sequence based on different modulation constellations.
- the bit sequence may include bits in one bit sequence or may include multiple bit sequences. The bits in are not limited in the embodiment of this application.
- Each of the above L time domain units corresponds to at least two modulation symbols. Next, the situation in which each of the L time domain units corresponds to one modulation symbol will be introduced in detail.
- the L time domain units can be L 0 , L 1 , L 2 ,..., L L-1 respectively, If one time domain unit corresponds to one modulation symbol, the number of multiple symbols can be L.
- the modulation symbols corresponding to different time domain units are obtained based on different modulation constellations.
- L time domain units are evenly distributed to each set, and the index values of the time domain units in each set are continuous, that is, the time domain corresponding to the modulation symbols obtained based on different modulation constellations.
- the number of units is the same, and the index values of the time domain units corresponding to the modulation symbols obtained based on different modulation constellations are continuous.
- each of the three sets can include 10 time domain units, and the index values of the 10 time domain units are continuous.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbol D 1 ⁇ d 0 , d 1 , d 2 ,..., d 9 ⁇ corresponding to the time domain unit in ⁇ 1 can be modulated by the transmitting device using the modulation constellation diagram 1, and when in ⁇ 2
- the modulation symbol D 2 ⁇ d 10 , d 11 , d 12 ,..., d 19 ⁇ corresponding to the domain unit can be modulated by the transmitting device using the modulation constellation diagram 2, and the time domain unit corresponding to ⁇ 3
- the modulation symbol D 2 ⁇ d 20 , d 21 , d 22 ,..., d 29 ⁇ may be modulated by the transmitting device using the modulation constellation diagram 3 .
- Modulation may also be called mapping, which is not limited in the embodiments of the present application.
- each of the two sets can include 15 time domain units, and the index values of the 15 time domain units are continuous.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbol D 1 ⁇ d 0 , d 1 , d 2 ,..., d 14 ⁇ corresponding to the time domain unit in ⁇ 1 can be modulated by the transmitting device using the modulation constellation diagram 1.
- the modulation symbols D 2 ⁇ d 15 , d 16 , d 17 ,..., d 29 ⁇ corresponding to the domain unit can be modulated by the transmitting device using the modulation constellation diagram 2.
- L time domain units are non-uniformly allocated to each set, and the index values of the time domain units in each set are continuous, that is, the modulation symbols obtained based on different modulation constellations correspond to The number of time domain units is different, and the index values of the time domain units corresponding to the modulation symbols obtained based on different modulation constellations are continuous.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbol D 1 ⁇ d 0 , d 1 , d 2 ,..., d 4 ⁇ corresponding to the time domain unit in ⁇ 1 can be modulated by the transmitting device using the modulation constellation diagram 1, and when in ⁇ 2
- the modulation symbol D 2 ⁇ d 5 , d 6 , d 7 ,..., d 14 ⁇ corresponding to the domain unit can be modulated by the transmitting device using the modulation constellation diagram 2, and the time domain unit corresponding to ⁇ 3
- the modulation symbol D 3 ⁇ d 15 , d 16 , d 17 ,..., d 29 ⁇ may be modulated by the transmitting device using the modulation constellation diagram 3 .
- the index values of the time domain units in each set are continuous.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the formula mod(l,X) i-1.
- ⁇ 1 ⁇ L 0 , L 3 , L 6 ,..., L 27 ⁇
- ⁇ 2 ⁇ L 1 , L 4 , L 7 ,... .,L 28 ⁇
- ⁇ 3 ⁇ L 2 , L 5 , L 8 ,..., L 29 ⁇ .
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbol D 1 ⁇ d 0 , d 3 , d 6 ,..., d 27 ⁇ corresponding to the time domain unit in ⁇ 1 can be modulated by the transmitting device using the modulation constellation diagram 1, and when in ⁇ 2
- the modulation symbol D 2 ⁇ d 1 , d 4 , d 7 ,..., d 28 ⁇ corresponding to the domain unit can be modulated by the transmitting device using the modulation constellation diagram 2, and the time domain unit corresponding to ⁇ 3
- the modulation symbol D 3 ⁇ d 2 , d 5 , d 8 ,..., d 29 ⁇ may be modulated by the transmitting device using the modulation constellation diagram 3.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbol D 2 ⁇ d 1 , d 3 , d 5 ,..., d 29 ⁇ corresponding to the domain unit may be modulated by the transmitting device using the modulation constellation diagram 2.
- the transmitting device performs quadrature amplitude modulation processing on the modulation symbols corresponding to the above-mentioned L time domain units, so that the waveform of the first signal can be an SC-QAM waveform.
- the third possible situation there are at least two modulation symbols among the modulation symbols corresponding to different time domain units modulated based on different modulation constellations, and there are at least two modulation symbols among the modulation symbols corresponding to the same time domain unit based on different modulation constellations.
- the modulation symbols obtained based on different modulation constellations there are at least two modulation symbols corresponding to different time domain units, and there are at least two modulation symbols corresponding to the same time domain unit. That is to say, the modulation symbols corresponding to the same time domain unit are based on different The modulation constellation diagram is obtained, and the modulation symbols corresponding to at least two time domain units in different time domain units are obtained based on different modulation constellation diagrams.
- the plurality of time domain units may be two or more than two, which is not limited by this application.
- FIG. 6 shows a schematic diagram of modulation symbols corresponding to different time domain units and the same time domain unit.
- the number of time domain units is 2
- each time domain unit corresponds to 6 modulation symbols
- the number of different modulation constellations is 2
- these two modulation constellations are modulation constellations 1 and modulation constellation diagram 2.
- fill The black modulation symbols are obtained based on modulation constellation diagram 1, and the filled white modulation symbols are obtained based on modulation constellation diagram 2.
- modulation symbols based on different modulation constellations in the same time domain unit and there are modulation symbols based on different modulation constellations between different time domain units. Modulation symbols obtained from the modulation constellation diagram.
- the number of modulation symbols obtained by different modulation constellations is the same or different.
- the number of modulation symbols obtained based on different modulation constellations may be the same, or the number of modulation symbols obtained based on different modulation constellations may be different.
- the embodiments of this application are This is not a limitation.
- the number of multiple modulation symbols is 10
- the number of modulation constellations is 2, and they are modulation constellation 1 and modulation constellation 2 respectively.
- the number of modulation symbols obtained based on modulation constellation diagram 1 may be the same as the number of modulation symbols obtained based on modulation constellation diagram 2, that is, both are 5.
- at least two modulation symbols correspond to different time domain units, and at least two modulation symbols correspond to the same time domain unit.
- the number of modulation symbols obtained based on modulation constellation diagram 1 may be different from the number of modulation symbols obtained based on modulation constellation diagram 2.
- the number of modulation symbols obtained based on modulation constellation diagram 1 The number may be 3, and the number of modulation symbols obtained based on the modulation constellation diagram 2 may be 7.
- the three modulation symbols obtained based on modulation constellation diagram 1 there can be two modulation symbols corresponding to different time domain units, and one time domain unit corresponds to one modulation symbol obtained based on modulation constellation diagram 1, and one time domain unit corresponds to two modulation symbols based on modulation constellation diagram 1.
- Based on the 7 modulation symbols obtained in the modulation constellation diagram 2 there may be at least 2 modulation symbols corresponding to different time domain units, and there may be at least 2 modulation symbols corresponding to the same time domain unit.
- the different modulation constellations include a first modulation constellation
- the modulation symbols obtained based on the first modulation constellation include modulation symbols corresponding to different time domain units, and the index values of these different time domain units are continuous or non-continuous.
- the modulation symbols obtained based on the first modulation constellation diagram also include modulation symbols corresponding to the same time domain unit, and the index values of these modulation symbols are continuous or non-continuous.
- the number of modulation symbols corresponding to the same time domain unit obtained based on the first modulation constellation diagram can be the same as that based on other modulation constellation diagrams.
- the number of obtained modulation symbols corresponding to the time domain unit may be the same or different.
- the number of modulation symbols corresponding to the same time domain unit obtained based on the first modulation constellation diagram can be the same as that based on other modulation constellation diagrams.
- the number of obtained modulation symbols corresponding to the time domain unit may be the same or different.
- the index values corresponding to the modulation symbols of the same time domain unit obtained based on the first modulation constellation diagram are continuous, the index values corresponding to the modulation symbols of the same time domain unit obtained based on other modulation constellation diagrams may be continuous or non- Continuous, which is not limited in the embodiments of this application.
- the number of different time domain units corresponding to the modulation symbols obtained based on the first modulation constellation diagram can be the same as that based on other modulation constellation diagrams.
- the number of different time domain units corresponding to the obtained modulation symbols may be the same or different.
- the number of different time domain units corresponding to the modulation symbols obtained based on the first modulation constellation diagram can be the same as that based on other modulation constellation diagrams.
- the number of different time domain units corresponding to the obtained modulation symbols may be the same or different.
- index values of different time domain units corresponding to the modulation symbols obtained based on the first modulation constellation diagram are continuous
- the index values of different time domain units corresponding to the modulation symbols obtained based on other modulation constellations may be continuous or discontinuous, which is not limited in the embodiments of the present application.
- the index values corresponding to modulation symbols of the same time domain unit obtained based on different modulation constellations are discontinuous, within the same time domain unit, the index values of different modulation constellations are different from those obtained based on different modulation constellations.
- m is the index value of multiple modulation symbols
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- l is the index value of different time domain units
- X is the number of different modulation constellations
- X is an integer greater than or equal to 2
- mod() is the remainder operation
- i is the index value of different modulation constellations
- i ⁇ 1,...,X ⁇ .
- the L time domain units can be L 0 , L 1 , L 2 ,..., L respectively.
- L-1 if one time domain unit corresponds to M modulation symbols, and M is an integer greater than or equal to 2, the M modulation symbols can be d 0 , d 1 , d 2 ,..., d M respectively. -1 , then the number of multiple symbols can be L*M.
- L*M modulation symbols are obtained based on different modulation constellations.
- L*M modulation symbols are evenly distributed to each set, and the index values of the modulation symbols corresponding to the same time domain unit obtained based on different modulation constellations in each set are continuous ( It can also be said that among the modulation symbols corresponding to the same time domain unit, the index values of the modulation symbols obtained based on different modulation constellations are continuous), and the index values of different time domain units corresponding to the modulation symbols obtained based on the same modulation constellation diagram are continuously.
- the number of modulation symbols obtained based on different modulation constellations is the same, and the number of time domain units corresponding to the modulation symbols obtained based on any two modulation constellations in different modulation constellations is The numbers are the same.
- the index values of the modulation symbols obtained from the modulation constellation diagram are continuous.
- the three modulation constellations can be respectively modulated constellations. 1. Modulation constellation diagram 2 and modulation constellation diagram 3.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation diagram 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation diagram 2
- the modulation symbols corresponding to the time domain units in ⁇ 3 may be modulated by the sending device.
- the device is modulated using modulation constellation 3.
- the index values of the time domain unit in ⁇ 1 are 0,1,2...9, 10,11,12...19 and 20,21,22...29
- the time domain unit in ⁇ 2 The index values of the units are 0,1,2...9, 10,11,12...19 and 20,21,22...29
- the index values of the time domain units in ⁇ 3 are 0,1,2 ...9, 10,11,12...19 and 20,21,22...29
- the index values of the time domain units corresponding to the modulation symbols obtained based on the same modulation constellation diagram are continuous.
- the modulation symbols with index values 0,1,2...23 in each time domain unit are modulated based on the modulation constellation diagram 1, and each The modulation symbols with index values 24, 25, 26...47 in one time domain unit are modulated based on the modulation constellation diagram 2, and the modulation symbols with index values 48, 49, 50...71 in each time domain unit The symbols are modulated based on the modulation constellation diagram 3. It can be seen that the index values of the modulation symbols obtained based on different modulation constellations in the same time domain unit are continuous. The situation in the time domain units with index values 10,11,12...19 and 20,21,22...29 is similar and will not be described again here.
- the index values of the modulation symbols obtained from the modulation constellation diagram are continuous.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2.
- index values of the time domain unit in ⁇ 1 are 0,1,2...14 and 15,16,17...29
- index value of the time domain unit in ⁇ 2 is 0,1,2 ...14 and 15,16,17...29
- the modulation symbols with index values 0,1,2...35 in each time domain unit are modulated based on the modulation constellation diagram 1, and each The modulation symbols with index values 36, 37, 38...71 in a time domain unit are modulated based on the modulation constellation diagram 2. It can be seen that the index values of the modulation symbols obtained based on different modulation constellations in the same time domain unit are continuous. , and the number is the same. The situation in the time domain unit with index values 15, 16, 17...29 is similar and will not be described again here.
- L*M modulation symbols are non-uniformly allocated to each set, and the index values of the modulation symbols corresponding to the same time domain unit obtained based on different modulation constellations in each set are consecutive. (It can also be said that among the modulation symbols corresponding to the same time domain unit, the index values of the modulation symbols obtained based on different modulation constellations are continuous), and the indexes of different time domain units corresponding to the modulation symbols obtained based on the same modulation constellation diagram The values are continuous.
- the number of modulation symbols obtained based on different modulation constellations is different, and the number of modulation symbols corresponding to the modulation symbols obtained based on any two modulation constellations in different modulation constellations is different. The number is different.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2
- the modulation symbols in ⁇ 3 may be modulated by the sending device using modulation constellation 2.
- Constellation diagram 3 is modulated.
- the index values of the time domain unit in ⁇ 1 are 0,1,2...4, 5,6,7...14 and 15,16,17...29
- the time domain unit in ⁇ 2 The index values of the units are 0,1,2...4, 5,6,7...14 and 15,16,17...29
- the index values of the time domain units in ⁇ 3 are 0,1,2 ...4, 5, 6, 7...14 and 15, 16, 17...29, it can be seen that the index values of the time domain units corresponding to the modulation symbols obtained based on the same modulation constellation diagram are continuous.
- the modulation symbols with index values 0,1,2...11 in each time domain unit are modulated based on the modulation constellation diagram 1
- each The modulation symbols with index values 12,13,14...35 in one time domain unit are modulated based on the modulation constellation diagram 2
- the modulation symbols with index values 48,49,50...71 in each time domain unit The symbols are modulated based on the modulation constellation diagram 3. It can be seen that the index values of the modulation symbols obtained based on different modulation constellation diagrams in the same time domain unit are continuous, but the numbers are different.
- the situation in the time domain units with index values 5,6,7...14 and 15,16,17...29 is similar and will not be described again here.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2.
- the index values of the time domain unit in ⁇ 1 are 0,1,2...9 and 10,11,12...29
- the index value of the time domain unit in ⁇ 2 is 0,1,2 ...9 and 10,11,12...29, it can be seen that the index values of the time domain units corresponding to the modulation symbols obtained based on the same modulation constellation diagram are continuous.
- the modulation symbols with index values 0,1,2...23 in each time domain unit are modulated based on the modulation constellation diagram 1, and each The modulation symbols with index values 24, 25, 26...71 in a time domain unit are modulated based on the modulation constellation diagram 2. It can be seen that the index values of the modulation symbols obtained based on different modulation constellations in the same time domain unit are continuous. , but the number is different. The situation in the time domain unit with index values 10, 11, 12...29 is similar and will not be described again here.
- the three modulation constellations may be modulation constellation 1, modulation constellation 2 and modulation constellation 3 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2
- the modulation symbols in ⁇ 3 may be modulated by the sending device using modulation constellation 2.
- Constellation diagram 3 is modulated.
- the two modulation constellations may be modulation constellation 1 and modulation constellation 2 respectively.
- the modulation symbols in ⁇ 1 may be modulated by the sending device using modulation constellation 1
- the modulation symbols in ⁇ 2 may be modulated by the sending device using modulation constellation 2.
- the transmitting device performs different processing on the above-mentioned L*M modulation symbols to make the waveform of the first signal different.
- the waveform of the first signal obtained is DFT-s-ODFM.
- y l*M+k can be expressed by the following formula:
- the input length of DFT is equal to the number of modulation symbols corresponding to one time domain unit, that is, the length is M. If the input length N of IDFT is equal to M, the sending device directly performs IDFT processing on y l*M+k . If the input length N of IDFT is greater than M, the sending device can first perform subcarrier mapping on y l*M+k of length M to obtain y′ l*M+k of length N, and then map y′ l*M +k performs IDFT processing.
- the sending device can perform a zero-padding operation on y l*M+k of length M to obtain y′ l*M+k of length N.
- the positions of zero in y′ l*M+k may be dispersed or concentrated, which is not limited in the embodiment of the present application.
- the position of y l*M+k in y′ l*M+k can be a part of continuous concentrated positions, or it can be discrete positions at intervals.
- the sending device can obtain the first signal according to sn .
- s n can be expressed by the following formula:
- the waveform of the first signal obtained is an ODFM waveform.
- the transmitting device In the l-th time domain unit among the L time domain units, if the input length N of the IDFT is equal to M, the transmitting device directly performs IDFT processing on the modulation symbol d l*M+m . If the input length N of IDFT is greater than M, the sending device can first perform subcarrier mapping on the modulation symbol d l*M+m of length M to obtain a modulation symbol d l*M+n of length N, and then perform subcarrier mapping on the modulation symbol d l*M+n of length N. Modulation symbols d l*M+n of N are subjected to IDFT processing.
- the sending device may perform a zero-padding operation on the modulation symbol d l*M+m of length M to obtain a modulation symbol d l*M+n of length N.
- the positions of zeros in the modulation symbol d l*M+n of length N may be dispersed or concentrated, which is not limited in the embodiment of the present application. That is to say, the position of the modulation symbol d l*M+m of length M in the modulation symbol d l*M+n of length N can be a part of continuous concentrated positions, or it can be a discrete position at intervals.
- the sending device can obtain the first signal according to s′ n .
- s′ n can be expressed by the following formula:
- L*M modulation symbols are obtained by modulating a bit sequence based on different modulation constellations.
- the bit sequence may include bits in one bit sequence or may include bits in multiple bit sequences. This application implements This example does not limit this.
- phase offset between any two modulation constellations in different modulation constellations. It can also be said that there may be a phase offset between any two modulation constellations in different modulation constellations. Shifting angle is not limited in the embodiments of this application.
- the phase offset angle may be an angle resulting from a clockwise or counterclockwise rotation of one modulation constellation relative to another modulation constellation, which is not limited in this embodiment of the present application.
- the phase offset range is or Among them, p is an integer.
- phase offset is not equal to Where, p is an integer, Q is the modulation order; or, the phase offset is not equal to
- Figure 7 shows a schematic diagram of different modulation constellations.
- the number of modulation constellation diagrams is 3, and they are modulation constellation diagram 1, modulation constellation diagram 2 and modulation constellation diagram 3 respectively.
- the phase offset angle between modulation constellation diagram 1 and modulation constellation diagram 2 is ⁇ 1
- the phase offset angle between modulation constellation diagram 1 and modulation constellation diagram 3 is ⁇ 2 , where ⁇ 1 ⁇ 2 .
- mapping table between the bits of the modulation constellation diagram 1 and the modulation symbols is shown in Table 1.
- bit 00 can be mapped to a modulation symbol based on the modulation constellation diagram 1.
- Bit 01 can be mapped to a modulation symbol based on the modulation constellation diagram 1
- Bit 11 can be mapped to a modulation symbol based on the modulation constellation diagram 1
- Bit 10 can be mapped to a modulation symbol based on the modulation constellation diagram 1
- mapping table between bits and modulation symbols of modulation constellation diagram 2 is shown in Table 2.
- bit 00 can be mapped to a modulation symbol based on the modulation constellation diagram 1.
- Bit 01 can be mapped to a modulation symbol based on the modulation constellation diagram 1
- Bit 11 can be mapped to a modulation symbol based on the modulation constellation diagram 1
- Bit 10 can be mapped to a modulation symbol based on the modulation constellation diagram 1
- mapping table between bits and modulation symbols of modulation constellation diagram 3 is shown in Table 3.
- phase offsets of modulation constellation diagram 2 and modulation constellation diagram 3 can both be obtained by rotating clockwise relative to modulation constellation diagram 1, and ⁇ 1 and ⁇ 2 can satisfy Among them, ⁇ 1 can be ⁇ 2 can be However, the embodiments of the present application are not limited to this.
- phase offsets of the modulation constellation diagram 2 and the modulation constellation diagram 3 can be obtained by rotating counterclockwise relative to the modulation constellation diagram 1, and ⁇ 1 and ⁇ 2 can satisfy Among them, ⁇ 1 can be ⁇ 2 can be However, the embodiments of the present application are not limited to this.
- phase offset of modulation constellation 2 is obtained by rotating clockwise relative to modulation constellation 1
- phase offset of modulation constellation 3 is obtained by rotating counterclockwise relative to modulation constellation 1.
- ⁇ 1 can satisfy ⁇ 2 can satisfy Among them, ⁇ 1 can be ⁇ 2 can be
- the embodiments of the present application are not limited to this.
- the phase offset of the modulation constellation diagram 2 is obtained by rotating counterclockwise relative to the modulation constellation diagram 1
- the phase offset of the modulation constellation diagram 3 is obtained by rotating counterclockwise relative to the modulation constellation diagram 1.
- ⁇ 1 can satisfy ⁇ 2 can satisfy Among them, ⁇ 1 can be ⁇ 2 can be
- the embodiments of the present application are not limited to this.
- the number of modulation constellation diagrams may be 3, and they are modulation constellation diagram 1 and modulation constellation diagram 2 respectively.
- the phase offset angle between modulation constellation 1 and modulation constellation 2 may be ⁇ .
- the mapping between bits and modulation symbols in the modulation constellation diagram 1 can be as shown in the above Table 1, and the mapping between the bits and the modulation symbols in the modulation constellation diagram 2 can be as shown in the above Table 2.
- the phase offset of the modulation constellation diagram 2 is obtained by rotating clockwise relative to the modulation constellation diagram 1, and ⁇ can satisfy Among them, ⁇ can be
- the embodiments of the present application are not limited to this.
- phase offset of the modulation constellation diagram 2 is obtained by rotating counterclockwise relative to the modulation constellation diagram 1, and ⁇ can satisfy Among them, ⁇ can be
- the embodiments of the present application are not limited to this.
- the above method 300 may also include: the sending device sends first indication information, the first indication information includes indicating different modulation constellations, and correspondingly, the receiving device receives the first indication information.
- the receiving device may demodulate multiple modulation symbols according to the modulation constellation indicated by the sending device.
- the sending device sends indication information for indicating different modulation constellations to the receiving device, which can enable the receiving device to determine different modulation constellations according to the indication information, without the need to preset a fixed modulation constellation. Greater flexibility.
- the first indication information may include a phase offset between any two modulation constellations in different modulation constellations.
- the first indication information may include the phase offset 0 of modulation constellation 1, the phase offset ⁇ 1 of modulation constellation 2, and the phase offset ⁇ of modulation constellation 3. 2 .
- the first indication information may include phase offsets of modulation constellations corresponding to multiple modulation symbols.
- the modulation constellation diagram corresponding to multiple modulation symbols can be understood as the modulation constellation diagram used for modulation of the multiple modulation symbols.
- the first indication information may include the phase offset of the modulation constellation corresponding to each modulation symbol in the plurality of modulation symbols, or may include the phase offset of each modulation constellation in different modulation constellations and the phase offset obtained based on the same modulation constellation.
- the number of modulation symbols and index values are not limited in this embodiment of the application.
- the first indication information includes the phase offset of the modulation constellation corresponding to the M modulation symbols.
- the column vector can be The phase offset of the modulation constellation diagram corresponding to these M modulation symbols is the phase offset of the modulation symbol before DFT or IDFT processing.
- the value range of the phase offset can be The receiving device can demodulate M modulation symbols based on the phase offset in the column vector.
- the column vector can be divided into X sub-column vectors, each sub-column vector has the same number of elements, the elements of each sub-column vector have the same value, and the elements of different sub-column vectors have different values.
- phase offsets corresponding to the modulation symbols modulated by the same modulation constellation are the same, and a sub-column vector can be combined. If there are X modulation constellations, X sub-column vectors can exist, and the column vector can Divided into X sub-column vectors, the elements of each sub-column vector have the same value. If the number of modulation symbols obtained based on different modulation constellations is the same, then the number of elements of each sub-column vector is the same.
- the column vector can be divided into X sub-column vectors, each sub-column vector has a different number of elements, the elements of each sub-column vector have the same value, and the elements of different sub-column vectors have different values.
- phase offsets corresponding to the modulation symbols modulated by the same modulation constellation are the same, and a sub-column vector can be combined. If there are X modulation constellations, X sub-column vectors can exist, and the column vector can Divided into X sub-column vectors, the elements of each sub-column vector have the same value. If the number of modulation symbols obtained based on different modulation constellations is different, the number of elements of each sub-column vector is different.
- the values of the position elements of the comb structure in the column vector are the same, that is, the elements with equal intervals have the same value.
- the comb structure means that the elements in adjacent positions are different, and the same elements can be separated by one or more positions.
- the phase offset of even-numbered elements can be 0, and the phase offset of odd-numbered elements can be
- the embodiments of the present application are not limited to this.
- the phase offset value can be 0,
- the embodiments of the present application are not limited to this.
- the first indication information may include the phase offset of the modulation constellation corresponding to the L time domain units. If the phase offset of the modulation constellation corresponding to the L time domain units is represented by a row vector, the row vector may be [ ⁇ h1 , ⁇ h2 ,..., ⁇ hL ]. The value range of the phase offset can be The receiving device can demodulate the modulation symbols corresponding to the L time domain units according to the phase offset in the row vector.
- Row vectors can exist in many different forms.
- the row vector can be divided into X sub-row vectors, each sub-row vector has the same number of elements, the elements of each sub-row vector have the same value, and the elements of different sub-row vectors have different values.
- phase offsets of the time domain units corresponding to the modulation symbols modulated by the same modulation constellation are the same.
- the phase offsets of these time domain units can be combined into a sub-row vector, then there are X modulation constellations, Then there can be X sub-row vectors, then the row vector can be divided into X sub-row vectors, and the elements of each sub-row vector have the same value. If the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations is the same, then the number of elements of each sub-row vector is the same.
- the row vector can be divided into X sub-row vectors, each sub-row vector has a different number of elements, the elements of each sub-row vector have the same value, and the elements of different sub-row vectors have different values.
- phase offsets of the time domain units corresponding to the modulation symbols modulated by the same modulation constellation are the same.
- the phase offsets of these time domain units can be combined into a sub-row vector, then there are X modulation constellations, Then there can be X sub-row vectors, then the row vector can be divided into X sub-row vectors, and the elements of each sub-row vector are The values are the same. If the number of time domain units corresponding to the modulation symbols obtained based on different modulation constellations is different, the number of elements of each sub-row vector is different.
- the values of the position elements of the comb structure in the row vector are the same, that is, the elements with equal intervals have the same value.
- the phase offset of even-numbered elements can be 0, and the phase offset of odd-numbered elements can be
- the embodiments of the present application are not limited to this.
- the phase offset value can be 0,
- the embodiments of the present application are not limited to this.
- the first indication information may include the phase offset of the modulation constellation corresponding to the L*M modulation symbols. If the phase offset of the modulation constellation corresponding to the L*M modulation symbols is Represented using a two-dimensional matrix, the two-dimensional matrix can be The value range of the phase offset can be The receiving device can demodulate L*M modulation symbols according to the phase offset in the two-dimensional matrix.
- Two-dimensional matrices can exist in many different representations.
- the two-dimensional matrix can be divided into The values are different.
- phase offsets corresponding to the modulation symbols modulated by the same modulation constellation are the same, and the phase offsets of the time domain units corresponding to these modulation symbols are the same. From the dimensions of the time domain unit and the dimensions of the modulation symbols A sub-two-dimensional matrix can be combined, then there are X modulation constellations, then there can be X sub-two-dimensional matrices, then the two-dimensional matrix can be divided into The elements of the sub-two-dimensional matrices have different values. If the number of modulation symbols obtained based on different modulation constellations is the same, then the number of elements of each sub-two-dimensional matrix is the same.
- the two-dimensional matrix can be divided into X sub-two-dimensional matrices.
- Each sub-two-dimensional matrix has a different number of elements.
- the elements of each sub-two-dimensional matrix have the same value.
- the elements have different values.
- phase offsets corresponding to the modulation symbols modulated by the same modulation constellation are the same, and the phase offsets of the time domain units corresponding to these modulation symbols are the same. From the dimensions of the time domain unit and the dimensions of the modulation symbols A sub-two-dimensional matrix can be combined, then there are X modulation constellations, then there can be X sub-two-dimensional matrices, then the two-dimensional matrix can be divided into The elements of the sub-two-dimensional matrices have different values. If the number of modulation symbols obtained based on different modulation constellations is different, the number of elements of each sub-two-dimensional matrix is different.
- the position elements of the network structure in the two-dimensional matrix have the same value, that is, the interval Equal numbers of elements have the same value.
- the phase offset of the elements in even rows and even columns and the elements in odd rows and odd columns can be 0, and the phase offset of the elements in even rows and odd columns and the elements in odd rows and even columns can be
- the embodiments of the present application are not limited to this.
- phase offset value can be 0,
- the embodiments of the present application are not limited to this.
- constellation points in the same modulation constellation diagram have the same phase offset.
- constellation points in the same modulation constellation diagram can also have different phase offsets.
- the modulation constellation diagram includes four constellation points. These four constellation points can have independent phase offsets, and then there can be four phase offsets.
- the above-mentioned sending device sends first indication information to the receiving device, where the first indication information is configurable, and there may be multiple configuration modes for configuring the first indication information.
- the first configuration method can be called static configuration method.
- the first indication information is carried in radio resource control (RRC) signaling, and the RRC signaling also includes indication information of the starting time of the first signal.
- RRC radio resource control
- RRC signaling may also be called an RRC configuration message, which is not limited in the embodiments of this application.
- the sending device may send RRC signaling to the receiving device, where the RRC signaling includes indication information of the starting time of the first signal, and the indication information of the starting time of the first signal is used to indicate the starting time of the first signal.
- the receiving device can determine different modulation constellations based on phase offsets of different modulation constellations.
- the receiving device may determine the time to receive the first signal according to the indication information of the start time of the first signal, so that after receiving the first signal, the multiple modulation symbols are demodulated based on different modulation constellations.
- the first indication information may directly indicate the starting time of the first signal, or may indirectly indicate the starting time of the first signal, which is not limited in the embodiments of the present application.
- the indication information of the start time of the first signal includes the start time of the first signal or a time offset from the first indication information, and the time offset is used to indicate the start time of the first signal.
- the first indication information includes the starting time of the first signal, which can be understood as a direct indication.
- the first indication information includes a time offset from the first indication information, which can be understood as an indirect indication.
- the receiving device may determine the starting time of the first signal based on the time offset from the first indication information.
- the static configuration method means that the first indication information is pre-configured through RRC signaling.
- the RRC signaling also configures the starting time of the first signal, that is, when the starting time of the first signal arrives, the receiving device.
- the content in the first indication information is used that is, the time of using the first indication information and the first indication information are configured in advance.
- the first indication information and the indication information of the starting time of the first signal are pre-configured, and there is no need to send indication information, which can save signaling.
- the second configuration method can be called semi-static configuration method.
- the first indication information is carried in Radio Resource Control RRC signaling; the above method 300 also includes: the sending device sends second indication information to the receiving device, the second indication information includes the time to activate the first indication information, correspondingly, the receiving device receives Second instruction information.
- the sending device may send RRC signaling to the receiving device.
- the RRC signaling includes first indication information.
- the receiving device When the device receives RRC signaling, the content of the first indication information cannot be obtained.
- the first indication information After receiving the second indication information from the sending device, the first indication information can be obtained at the specified time according to the time when the first indication information is activated. Different modulation constellations are determined, and after receiving the first signal, a plurality of modulation symbols can be demodulated based on the different modulation constellations.
- activating the first indication information means making the first indication information effective, and deactivating means making the first indication information ineffective.
- the semi-static configuration method means that the first indication information is pre-configured through RRC signaling, and the time to use the content in the first indication information is indicated by the second indication information.
- the receiving device receives the second indication information
- the receiving device uses the content in the first indication information, that is, the first indication information is configured in advance, but the time to use the first indication information is when the receiving device needs it, and the sending device indicates it through the second indication information.
- the second indication information may be carried in downlink control information (DCI) or medium access control protocol control element (medium access control-control element, MAC-CE).
- DCI downlink control information
- MAC-CE medium access control protocol control element
- the first indication information is pre-configured, and the time to activate the first indication information is dynamically indicated, which can save part of the signaling and increase part of the flexibility.
- the third configuration method can be called dynamic configuration method.
- the first indication information is carried in DCI.
- the sending device sends the first indication information to the receiving device through DCI.
- the terminal device receives the DCI, obtains the first indication information, and determines different modulation constellations. After receiving the first signal, the terminal device can perform multiple modulation symbols based on the different modulation constellations. Demodulate.
- the dynamic configuration method means that the first indication information does not need to be configured in advance.
- the sending device can send the first indication information to the receiving device.
- different modulation constellations can be determined and multiple modulation symbols can be demodulated, that is, when the receiving device needs the content of the first indication information, the sending device indicates through DCI.
- the first indication information is dynamically indicated, which provides greater flexibility.
- the size of the serial numbers of the above processes does not mean the order of execution.
- the execution order of each process should be determined by its functions and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application.
- FIG. 8 shows a schematic block diagram of a data processing device 800 provided by an embodiment of the present application.
- the data processing device 800 may include: a processing unit 810 and a transceiver unit 820 .
- the data processing device 800 may also be called a communication device in some examples.
- the data processing device 800 can perform the steps performed by the sending device in the above method 300.
- the processing unit 810 is configured to: generate multiple modulation symbols, the multiple modulation symbols correspond to different time domain units, the same time domain unit corresponds to at least two modulation symbols among the multiple modulation symbols, and at least two of the multiple modulation symbols
- the modulation symbols are modulated based on different modulation constellations; the first signal is generated based on multiple modulation symbols; the transceiver unit 820 is used to: send the first signal.
- the data processing device 800 can perform the steps performed by the receiving device in the above method 300.
- the transceiver unit 820 is configured to: receive a first signal, the first signal is generated based on multiple modulation symbols, the multiple modulation symbols correspond to different time domain units, and the same time domain unit corresponds to at least two of the multiple modulation symbols. Modulation symbols, at least two modulation symbols among the plurality of modulation symbols are modulated based on different modulation constellations; the processing unit 810 is used to: process the first signal.
- the data processing device 800 here is embodied in the form of a functional unit.
- the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a proprietary processor, or a group of processors) used to execute one or more software or firmware programs. processor, etc.) and memory, merged logic circuitry, and/or other suitable components to support the described functionality.
- ASIC application specific integrated circuit
- the data processing device 800 can be specifically the sending device or the receiving device in the above embodiment, and the data processing device 800 can be used to perform the above method embodiment with the sending device or the receiving device. To avoid duplication, the various processes and/or steps corresponding to the device will not be described again here.
- the data processing device 800 of each of the above solutions has the function of realizing the corresponding steps performed by the sending device or the receiving device in the above method; the above functions can be realized by hardware, or can be realized by hardware executing corresponding software.
- the hardware or software includes one or more modules corresponding to the above functions.
- the data processing device 800 in Figure 8 may also be a chip or a chip system, such as a system on chip (SoC).
- SoC system on chip
- Figure 9 shows a schematic block diagram of another data processing device 900 provided by an embodiment of the present application.
- the data processing device 900 includes a processor 910 , a transceiver 920 and a memory 930 .
- the processor 910, the transceiver 920 and the memory 930 communicate with each other through internal connection paths.
- the memory 930 is used to store instructions, and the processor 910 is used to execute the instructions stored in the memory 930 to control the transceiver 920 to send signals and /or receive a signal.
- the data processing device 900 may be specifically a sending device or a receiving device in the above embodiments, and may be used to perform various steps and/or processes corresponding to the sending device or the receiving device in the above method embodiments.
- the memory 930 may include read-only memory and random access memory and provide instructions and data to the processor. A portion of the memory may also include non-volatile random access memory.
- the memory may also store device type information.
- the processor 910 may be used to execute instructions stored in the memory, and when the processor 910 executes the instructions stored in the memory, the processor 910 is used to execute each of the above method embodiments corresponding to the sending device or the receiving device. steps and/or processes.
- the transceiver 920 may include a transmitter and a receiver.
- the transmitter may be used to implement the steps and/or processes corresponding to the above-mentioned transceiver for performing sending actions.
- the receiver may be used to implement the functions corresponding to the above-mentioned transceiver. To perform various steps and/or processes of receiving actions.
- the processor of the above device can be a central processing unit (CPU), and the processor can also be other general-purpose processors, digital signal processors (DSP), or application-specific integrated circuits. (ASIC), field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
- a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
- each step of the above method can be implemented through the integrated logic circuit of the hardware in the processor or Completion of instructions in software form.
- the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware processor, or executed by a combination of hardware and software units in the processor.
- the software unit can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
- the storage medium is located in the memory, and the processor executes the instructions in the memory and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
- the embodiment of the present application also provides a communication system, which may include the sending device and the receiving device in the above embodiment.
- Embodiments of the present application provide a readable computer storage medium.
- the readable computer storage medium is used to store a computer program.
- the computer program is used to implement the method corresponding to the sending device shown in various possible implementations in the above embodiments.
- Embodiments of the present application provide another readable computer storage medium.
- the readable computer storage medium is used to store a computer program.
- the computer program is used to implement the method corresponding to the receiving device shown in various possible implementations in the above embodiments. .
- An embodiment of the present application provides a computer program product.
- the computer program product includes a computer program (which may also be called a code, or an instruction).
- a computer program which may also be called a code, or an instruction.
- the computer program When the computer program is run on a computer, the computer can perform the sending process shown in the above embodiment. The method corresponding to the device.
- An embodiment of the present application provides another computer program product.
- the computer program product includes a computer program (which can also be called a code, or an instruction).
- a computer program which can also be called a code, or an instruction.
- the computer program When the computer program is run on a computer, the computer can execute various tasks in the above embodiments. Possible implementations show methods corresponding to the receiving device.
- Embodiments of the present application provide a chip system, which is used to support the above-mentioned sending device to implement the functions shown in the embodiments of the present application.
- An embodiment of the present application provides another chip system, which is used to support the above-mentioned receiving device to implement the functions shown in the embodiment of the present application.
- the disclosed systems, devices and methods can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.
- the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
- a unit described as a separate component may or may not be physically separate.
- a component shown as a unit may or may not be a physical unit, that is, it may be located in one place, or it may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to implement the solution of this embodiment. the goal of.
- each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
- Functions may be stored in a computer-readable storage medium when implemented in the form of software functional units and sold or used as independent products.
- the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which can be a personal computer, a server, a receiving end, etc.) to execute all or part of the steps of the methods of various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program code. .
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Abstract
Description
mod(m,X)=i-1
mod(l,X)=i-1
mod(m,X)=i-1
mod(l,X)=i-1
mod(m,X)=i-1
mod(l,X)=i-1
mod(m,X)=i-1
mod(l,X)=i-1
mod(m,X)=i-1
mod(l,X)=i-1
mod(m,X)=i-1
mod(l,X)=i-1
Claims (20)
- 一种数据处理方法,其特征在于,包括:发送装置生成多个调制符号,所述多个调制符号对应不同的时域单元,同一时域单元对应所述多个调制符号中的至少两个调制符号,所述多个调制符号中至少两个调制符号基于不同调制星座图调制得到;所述发送装置基于所述多个调制符号生成第一信号;所述发送装置发送所述第一信号。
- 一种数据处理方法,其特征在于,包括:接收装置接收第一信号,所述第一信号是基于多个调制符号生成的,所述多个调制符号对应不同的时域单元,同一时域单元对应所述多个调制符号中的至少两个调制符号,所述多个调制符号中至少两个调制符号基于不同调制星座图调制得到;所述接收装置对所述第一信号进行处理。
- 根据权利要求1或2所述的方法,其特征在于,所述多个调制符号中基于所述不同调制星座图调制得到的至少两个调制符号对应同一时域单元。
- 根据权利要求3所述的方法,其特征在于,基于所述不同调制星座图得到的调制符号的个数相同。
- 根据权利要求3或4所述的方法,其特征在于,所述不同调制星座图包括第一调制星座图,基于所述第一调制星座图得到的调制符号的索引值非连续。
- 根据权利要求5所述的方法,其特征在于,所述不同调制星座图的索引值与基于所述不同调制星座图得到的调制符号的索引值的对应关系满足以下公式:
mod(m,X)=i-1其中,m为所述多个调制符号的索引值,X为所述不同调制星座图的个数,所述X为大于或等于2的整数,mod()为取余运算,i为所述不同调制星座图的索引值,所述i={1,......,X}。 - 根据权利要求1或2所述的方法,其特征在于,所述多个调制符号中基于所述不同调制星座图调制得到的至少两个调制符号对应不同时域单元。
- 根据权利要求1或2所述的方法,其特征在于,不同时域单元对应的调制符号中存在至少两个调制符号基于所述不同调制星座图调制得到的,同一时域单元对应的调制符号中存在至少两个调制符号基于所述不同调制星座图调制得到的。
- 根据权利要求7或8所述的方法,其特征在于,基于所述不同调制星座图得到的调制符号对应的时域单元的个数相同。
- 根据权利要求7至9所述的方法,其特征在于,所述不同调制星座图包括第一调制星座图,基于所述第一调制星座图得到的调制符号对应的时域单元的索引值非连续。
- 根据权利要求10所述的方法,其特征在于,所述不同调制星座图的索引值与所述不同时域单元的索引值满足以下公式:
mod(l,X)=i-1其中,l为所述不同时域单元的索引值,X为所述不同调制星座图的个数,所述X 为大于或等于2的整数,mod()为取余运算,i为所述不同调制星座图的索引值,所述i={1,......,X}。 - 根据权利要求1至11中任一项所述的方法,其特征在于,所述不同调制星座图中任意两个调制星座图之间均存在相位偏移。
- 根据权利要求12所述的方法,其特征在于,所述相位偏移范围为或者其中,p为整数。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:所述发送装置发送第一指示信息,所述第一指示信息用于指示所述不同调制星座图。
- 根据权利要求14所述的方法,其特征在于,所述第一指示信息包括所述不同调制星座图中任意两个调制星座图之间的相位偏移。
- 根据权利要求14或15所述的方法,其特征在于,所述第一指示信息承载于无线资源控制RRC信令中,所述RRC信令中还包括所述第一信号的起始时间的指示信息。
- 根据权利要求16所述的方法,其特征在于,所述第一信号的起始时间的指示信息包括所述第一信号的起始时间或者与所述第一指示信息的时间偏移,所述时间偏移用于指示所述第一信号的起始时间。
- 根据权利要求1至17中任一项所述的方法,其特征在于,所述时域单元为正交频分复用OFDM符号、时隙、子帧、帧或者微时隙。
- 一种通信装置,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序或指令,所述处理器用于运行所述计算机程序或指令,以执行如权利要求1至18中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序或指令,所述计算机程序或指令用于实现权利要求1至18中任一项所述的方法。
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| CN101296021A (zh) * | 2007-04-28 | 2008-10-29 | 华为技术有限公司 | 多信道复用传输方法与装置 |
| US8665949B1 (en) * | 2009-09-09 | 2014-03-04 | Marvell International Ltd. | Methods and apparatus for transmission of data at different modulation and/or coding rates |
| CN109417451A (zh) * | 2016-05-12 | 2019-03-01 | 交互数字专利控股公司 | 将比特集合调制成两个符号及通过不同通信资源进行符号传输 |
| CN114189318A (zh) * | 2020-09-15 | 2022-03-15 | 华为技术有限公司 | 数据传输方法和装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019075595A (ja) * | 2016-03-10 | 2019-05-16 | シャープ株式会社 | 端末装置、基地局装置、通信方法、および、集積回路 |
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2022
- 2022-06-21 CN CN202210704831.1A patent/CN117319157A/zh active Pending
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2023
- 2023-05-25 EP EP23826071.5A patent/EP4535741A4/en active Pending
- 2023-05-25 WO PCT/CN2023/096402 patent/WO2023246422A1/zh not_active Ceased
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| US6782037B1 (en) * | 1999-07-27 | 2004-08-24 | Lucent Technologies Inc. | Demodulation method for receiver |
| CN101296021A (zh) * | 2007-04-28 | 2008-10-29 | 华为技术有限公司 | 多信道复用传输方法与装置 |
| US8665949B1 (en) * | 2009-09-09 | 2014-03-04 | Marvell International Ltd. | Methods and apparatus for transmission of data at different modulation and/or coding rates |
| CN109417451A (zh) * | 2016-05-12 | 2019-03-01 | 交互数字专利控股公司 | 将比特集合调制成两个符号及通过不同通信资源进行符号传输 |
| CN114189318A (zh) * | 2020-09-15 | 2022-03-15 | 华为技术有限公司 | 数据传输方法和装置 |
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| WO2026007421A1 (zh) * | 2024-07-02 | 2026-01-08 | 中兴通讯股份有限公司 | 信息传输方法、电子设备、存储介质、及程序产品 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117319157A (zh) | 2023-12-29 |
| EP4535741A4 (en) | 2025-09-03 |
| EP4535741A1 (en) | 2025-04-09 |
| US20250132964A1 (en) | 2025-04-24 |
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