WO2019109799A1 - 信息的发送方法及装置 - Google Patents
信息的发送方法及装置 Download PDFInfo
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- WO2019109799A1 WO2019109799A1 PCT/CN2018/116280 CN2018116280W WO2019109799A1 WO 2019109799 A1 WO2019109799 A1 WO 2019109799A1 CN 2018116280 W CN2018116280 W CN 2018116280W WO 2019109799 A1 WO2019109799 A1 WO 2019109799A1
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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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26136—Pilot sequence conveying additional information
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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
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
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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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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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
- H04L27/262—Reduction thereof by selection of pilot symbols
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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
- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
Definitions
- the present disclosure relates to the field of communications, but is not limited to the field of communications, and in particular, to a method and apparatus for transmitting information.
- 4th Generation mobile communication technology (4G, Long-Term Evolution)/Advanced Long Term Evolution (LTE-Advance/LTE-A, Long-Term Evolution Advance) and fifth-generation mobile
- 5G 5th Generation mobile communication technology
- 4G and 5G systems are studying the characteristics of supporting enhanced mobile broadband, ultra-high reliability, ultra-low latency transmission, and massive connectivity.
- NR New Radio
- comb transmission is supported, that is, when transmitting, the data only occupies the odd or even subcarriers of the allocated bandwidth, when the data
- the bandwidth allocated by the channel is one Resource Block (abbreviated as RB, corresponding to 12 subcarriers in the frequency domain) or three resource blocks, when the comb transmission is used, the sequence length used by the reference signal is 6 and 18.
- the short physical uplink control channel (short PUCCH) has agreed to carry up to two bits of control information in a sequence-based form. Due to the short duration of the short PUCCH, new requirements are placed on the corresponding sequence design.
- Embodiments of the present disclosure provide a method and an apparatus for transmitting information.
- a method for transmitting information including: determining uplink information and/or a reference signal to be transmitted; and transmitting the uplink information and/or the reference signal to a communication node by using a first sequence.
- an apparatus for transmitting information including: a determining module, configured to determine uplink information and/or a reference signal to be sent; and a sending module, configured to: use the first sequence to Information and/or reference signals are sent to the communication node.
- a storage medium comprising a stored program, wherein the program executes the method described above while it is running.
- a processor for running a program wherein the program executes the method described above while it is running.
- the uplink information and/or the reference signal are sent to the communication node through the first sequence, and the sequence is used as the reference signal or directly carries the uplink information, which has the advantages of small cubic metric and high power amplifier efficiency, and is provided to a comb.
- the technical solution of transmitting the uplink information by using the sequence has the effect of reducing inter-cell interference and improving the overall performance of the system when the sequence index used by the neighboring cells is different.
- FIG. 1 is a block diagram showing the hardware structure of a mobile terminal of a method for transmitting information according to an embodiment of the present disclosure
- FIG. 2 is a flowchart of a method of transmitting information according to an embodiment of the present disclosure
- FIG. 3 is a structural block diagram of an apparatus for transmitting information according to an embodiment of the present disclosure
- FIG. 4 is a schematic diagram of information transmission according to Embodiment 1 of the present disclosure.
- FIG. 5 is a schematic diagram of information transmission according to Embodiment 2 of the present disclosure.
- FIG. 6 is a schematic diagram of information transmission according to Embodiment 3 of the present disclosure.
- FIG. 7 is a schematic diagram of information transmission according to a fourth embodiment of the present disclosure.
- FIG. 1 is a hardware structural block diagram of a mobile terminal of a method for transmitting information according to an embodiment of the present disclosure.
- the mobile terminal 10 may include one or more (only one shown) processor 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
- FIG. 1 is merely illustrative and does not limit the structure of the above electronic device.
- the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.
- the memory 104 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the method of transmitting information in the embodiment of the present disclosure, and the processor 102 executes each by executing a software program and a module stored in the memory 104.
- a functional application and data processing, that is, the above method is implemented.
- Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
- memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- Transmission device 106 is for receiving or transmitting data via a network.
- the above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10.
- the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
- the transmission device 106 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.
- NIC Network Interface Controller
- RF Radio Frequency
- the network architecture of the embodiment of the present application includes: a terminal, a base station, where the terminal sends uplink information to the base station.
- FIG. 2 is a flowchart of a method for sending information according to an embodiment of the present disclosure. As shown in FIG. 2, the process includes the following steps:
- Step S202 determining uplink information and/or a reference signal to be sent
- Step S204 Send the uplink information and/or the reference signal to the communication node by using the first sequence.
- the uplink information and/or the reference signal are sent to the communication node through the first sequence, and the sequence is used as the reference signal or directly carries the uplink information, which has the advantages of small cubic metric and high power amplifier efficiency, and is provided to a comb.
- the technical solution of transmitting the uplink information by using the sequence has the effect of reducing inter-cell interference and improving the overall performance of the system when the sequence index used by the neighboring cells is different.
- the execution body of the foregoing steps may be a terminal or the like, and the communication node may be a base station or the like, but is not limited thereto.
- the uplink information includes at least one of the following: uplink control information, and uplink data information.
- the uplink control information includes hybrid automatic repeat request response (HARQ-ACK) information.
- HARQ-ACK hybrid automatic repeat request response
- Solution 1 The uplink information is directly carried on the sequence and sent;
- Solution 3 After the uplink information is modulated and encoded, it is sent on the subcarrier corresponding to the corresponding symbol, and the reference signal bearer is sent on the sequence.
- transmitting the uplink information and the reference signal to the communication node by using the first sequence includes: transmitting uplink information and a reference signal corresponding to the uplink information on L subcarriers of the K2 symbols.
- the uplink control information and the reference signal corresponding to the uplink control information are sent on the L subcarriers of the K2 symbols, including: M children of the x symbol in the K2 symbols through the first sequence of length M
- the modulated uplink control information is sent on the carrier, and the corresponding reference signal is sent on the M subcarriers of the K2-x symbols by the sequence of length M, wherein the M values of the first sequence are mapped to the M subcarriers.
- K2> 2
- L is an integer greater than or equal to 2
- the value of L is a multiple of 3 or 12.
- the first sequence is a subset of the sequence set of length M, wherein the sequence set includes 30 sequences, and the 30 sequences satisfy at least one of the following conditions:
- the cubic metric (also referred to as CM) value of each sequence does not exceed the first CM preset value
- the peak-to-average power ratio PAPR value of each sequence does not exceed the first PAPR preset value
- the cross-correlation of any two sequences does not exceed the first cross-correlation preset value
- any sequence x i (n) of the set of sequences is represented by the following formula:
- i is the sequence index
- the first CM preset value is 1.2
- the first PAPR preset value is 3.76
- the first cross-correlation preset value is 0.9310.
- the first sequence is a subset of a sequence set of length M, wherein the sequence set comprises 14 sequences, and the 14 sequences satisfy at least one of the following conditions:
- the cubic metric CM value of each sequence does not exceed the second CM preset value
- the peak-to-average power ratio PAPR value of each sequence does not exceed the second PAPR preset value
- any sequence x i (n) of the set of sequences is represented by the following formula:
- i is the sequence index
- n 0,1,...,M-1,i
- the value of the preset relationship is as shown in Table 2, or is a cyclic shift of the corresponding sequence of each row in Table 2;
- the second CM preset value is 3, the second PAPR preset value is 5.3, and the second cross-correlation preset value is 0.75.
- the first sequence is a subset of the sequence set of length M, wherein the sequence set comprises 14 sequences, and the 14 sequences satisfy at least one of the following conditions:
- the cubic metric CM value of each sequence does not exceed the third CM preset value
- the peak-to-average power ratio PAPR value of each sequence does not exceed the third PAPR preset value
- Each sequence is cross-correlated with a first existing sequence of length 12 (the first existing sequence is different from the first sequence, the existing sequence may be a known or existing sequence) and does not exceed a fourth predetermined value;
- M corresponds to the number of subcarriers used by the uplink information or the reference signal.
- any sequence x i (n) of the set of sequences is represented by the following formula:
- i is the sequence index
- n 0,1,...,M-1,i and
- the value of the preset relationship is as shown in Table 3, or is a cyclic shift of the corresponding sequence of each row in Table 3;
- the third CM preset value is 2.6, the third PAPR preset value is 5, the third cross-correlation preset value is 0.8, and the fourth cross-correlation preset value is 0.94;
- i is the sequence index
- n 0,1,...,11,i
- the value of the preset relationship is as shown in Table 4 or Table 5, or is a cyclic shift of the corresponding sequence of each row in Table 4 or Table 5;
- the first sequence is a subset of the sequence set of length M, wherein the sequence set includes 30 sequences, and the 30 sequences satisfy at least one of the following conditions:
- the cubic metric CM value of each sequence does not exceed the fourth CM preset value
- the peak-to-average power ratio PAPR value of each sequence does not exceed the fourth PAPR preset value
- Each sequence is cross-correlated with a second existing sequence of length 12 not exceeding a sixth preset value
- M 12.
- any sequence x i (n) of the set of sequences is represented by the following formula:
- i is the sequence index
- n 0,1,...,M-1,i and
- the value of the preset is as shown in Table 6, or is a cyclic shift of the corresponding sequence of each row in Table 6;
- the fourth CM preset value is 0.68
- the fourth PAPR preset value is 2.8
- the fifth cross-correlation preset value is 0.74
- the sixth cross-correlation preset value is 0.825;
- i is the sequence index
- n 0,1,...,11,i and The value is set to a preset correspondence as shown in Table 6, or is a cyclic shift of the corresponding sequence of each row in Table 6.
- the first sequence is a subset of the sequence set of length M, wherein the sequence set includes 30 sequences, and the 30 sequences satisfy at least one of the following conditions:
- the cubic metric CM value of each sequence does not exceed the fifth CM preset value
- the peak-to-average power ratio PAPR value of each sequence does not exceed the fifth PAPR preset value
- Each sequence is cross-correlated with a third existing sequence of length 18 that does not exceed a seventh predetermined value
- any sequence x i (n) of the set of sequences is represented by the following formula:
- i is the sequence index
- n 0,1,...,M-1,i and
- the value of the preset relationship is as shown in Table 7, or is a cyclic shift of the corresponding sequence of each row in Table 7;
- the fifth CM preset value is 0.6
- the fourth PAPR preset value is 2.9
- the sixth cross-correlation preset value is 0.6
- the seventh cross-correlation preset value is 0.7;
- i is the sequence index
- n 0,1,...,17,i and
- the value of the preset relationship is as shown in Table 8, or is a cyclic shift of the corresponding sequence of each row in Table 8;
- the first sequence is a subset of the sequence set of length M, wherein the sequence set includes 30 sequences, and the 30 sequences satisfy at least one of the following conditions:
- the cubic metric CM value of each sequence does not exceed the sixth CM preset value
- the peak-to-average power ratio PAPR value of each sequence does not exceed the sixth PAPR preset value
- Each sequence is cross-correlated with a fourth existing sequence of length 24 and does not exceed a ninth preset value
- any sequence x i (n) of the set of sequences is represented by the following formula:
- i is the sequence index
- n 0,1,...,M-1,i and The value is set to a preset correspondence as shown in Table 9, or is a cyclic shift of the corresponding sequence of each row in Table 9;
- the fifth CM preset value is 0.64
- the fourth PAPR preset value is 3.4
- the sixth cross-correlation preset value is 0.55
- the seventh cross-correlation preset value is 0.62.
- i is the sequence index
- n 0,1,...,23,i and
- the value of the preset relationship is as shown in Table 10, or is a cyclic shift of the corresponding sequence of each row in Table 10;
- the cyclic shift y i (n, ⁇ ) in the above embodiment is represented by the following: Where ⁇ is the cyclic shift amount, and the values are ⁇ ⁇ ⁇ 0, 1, 2, ..., L-1 ⁇ .
- the sequence index i is determined according to the cell identifier, and the cyclic shift amount ⁇ is determined according to the indication signaling of the base station; or, the sequence index i and the cyclic shift amount ⁇ are determined according to the indication signaling of the base station.
- a device for transmitting information is provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
- the term "module” may implement a combination of software and/or hardware of a predetermined function.
- the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
- FIG. 3 is a structural block diagram of an apparatus for transmitting information according to an embodiment of the present disclosure. As shown in FIG. 3, FIG. 3 includes:
- a determining module 30 configured to determine uplink information and/or a reference signal to be sent
- the sending module 32 is configured to send the uplink information and/or the reference signal to the communication node by using the first sequence.
- each of the above modules may be implemented by software or hardware.
- the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
- the forms are located in different processors.
- This embodiment is an optional embodiment according to the present disclosure, and is used to describe the present application in detail in conjunction with a specific embodiment:
- an information transmitting method As shown in FIG. 4, an information transmitting method according to Embodiment 1 of the present disclosure.
- the 1-bit or 2-bit HARQ-ACK information passes through a sequence selector to select one sequence.
- the sequence selector outputs one sequence.
- Sequence Will be based on sequence Predefined way to determine, otherwise the sequence selector outputs two sequences directly with Then the sequence with Map to the 2 symbols.
- Sequence with The set of candidate sequences is a sequence in the sequence set ⁇ x i (n) ⁇ , where the sequence x i (n) satisfies:
- i is the sequence index
- i is the sequence index
- i and The values are shown in Table 1/2/3/6/7/9, or the cyclic shift of each row in Table 1/2/3/6/7/9.
- the terminal determines, according to the frequency domain resource occupied by the sent uplink information, any one of the tables in the selection table 1/2/3/6/7/9 (corresponding to the value of i in the table 1-10, the same below) Sequence, for example,
- the terminal determines that the sent uplink information occupies 6 subcarriers in the frequency domain, then select any one of the 1/2/3 (corresponding to the value of i in the table) sequence to send;
- the terminal determines that the sent uplink information occupies 12 subcarriers in the frequency domain, then select any one of the ones in the table 6 (corresponding to the value of i in the table) to send;
- the terminal determines that the sent uplink information occupies 18 subcarriers in the frequency domain, then select one of any one of the tables 7 (corresponding to the value of i in the table) to send;
- the terminal determines that the sent uplink information occupies 24 subcarriers in the frequency domain, then select any one of the ones in the table 9 (corresponding to the value of i in the table) to send;
- the column index i is determined according to the cell identifier, and the cyclic shift amount ⁇ is determined according to the indication signaling of the base station; or, the sequence index i and the cyclic shift amount ⁇ are determined according to the indication signaling of the base station.
- FIG. 5 is a schematic diagram of information transmission according to a second embodiment of the present disclosure.
- the 1-bit or 2-bit uplink control information is modulated by BPSK or QPSK to obtain a modulation symbol d, and then the modulation symbol d and the sequence are modulated. After multiplication, it is mapped to the symbol used to send the uplink control information.
- sequence Directly mapped to the symbol used to transmit the reference signal.
- Sequence And sequence For a sequence with the same sequence index i both may have the same cyclic shift or may have different cyclic shifts. Further, the sequence And sequence A sequence is a sequence in a sequence set ⁇ x i (n) ⁇ , where the sequence x i (n) satisfies:
- i is the sequence index
- i is the sequence index
- i and The values are as shown in Table 1/2/3/6/7/9, or the cyclic shift of each row in Table 1/2/3/6/7/9:
- the terminal determines, according to the frequency domain resource occupied by the sent uplink information, a sequence of any one of the tables in the selected table 1/2/3/6/7/9 (corresponding to the value of i in the table), for example,
- the terminal determines that the sent uplink information occupies 6 subcarriers in the frequency domain, then select any one of the 1/2/3 (corresponding to the value of i in the table) sequence to send;
- the terminal determines that the sent uplink information occupies 12 subcarriers in the frequency domain, then select any one of the ones in the table 6 (corresponding to the value of i in the table) to send;
- the terminal determines that the sent uplink information occupies 18 subcarriers in the frequency domain, then select one of any one of the tables 7 (corresponding to the value of i in the table) to send;
- the terminal determines that the sent uplink information occupies 24 subcarriers in the frequency domain, then select any one of the ones in the table 9 (corresponding to the value of i in the table) to send;
- the column index i is determined according to the cell identifier, and the cyclic shift amount ⁇ is determined according to the indication signaling of the base station; or, the sequence index i and the cyclic shift amount ⁇ are determined according to the indication signaling of the base station.
- FIG. 6 is a schematic diagram of information transmission according to a third embodiment of the present disclosure.
- K 4 symbols
- the uplink information is subjected to operations such as encoding, modulation, precoding, etc., it is mapped to a symbol for transmitting uplink information.
- sequence Directly mapped to the symbol used to transmit the reference signal.
- the sequence And sequence A sequence is a sequence in a sequence set ⁇ x i (n) ⁇ , where the sequence x i (n) satisfies:
- i is the sequence index
- i is the sequence index
- i and The values are shown in Table 1/2/3/6/7/9, or the cyclic shift of each row in Table 1/2/3/6/7/9.
- FIG. 7 is a schematic diagram of information transmission according to a fourth embodiment of the present disclosure.
- the uplink information is mapped to a symbol for transmitting uplink information.
- sequence Directly mapped to the symbol used to transmit the reference signal.
- the sequence And sequence A sequence is a sequence in a sequence set ⁇ x i (n) ⁇ , where the sequence x i (n) satisfies:
- i is the sequence index
- i is the sequence index
- i and The values are as shown in Table 1/2/3/6/7/9, or the cyclic shift of each row in Table 1/2/3/6/7/9:
- the terminal determines, according to the frequency domain resource occupied by the sent uplink information, a sequence of any one of the tables in the selected table 1/2/3/6/7/9 (corresponding to the value of i in the table), for example,
- the terminal determines that the sent uplink information occupies 6 subcarriers in the frequency domain, then select any one of the 1/2/3 (corresponding to the value of i in the table) sequence to send;
- the terminal determines that the sent uplink information occupies 12 subcarriers in the frequency domain, then select any one of the ones in the table 6 (corresponding to the value of i in the table) to send;
- the terminal determines that the sent uplink information occupies 18 subcarriers in the frequency domain, then select one of any one of the tables 7 (corresponding to the value of i in the table) to send;
- the terminal determines that the sent uplink information occupies 24 subcarriers in the frequency domain, then select any one of the ones in the table 9 (corresponding to the value of i in the table) to send;
- the column index i is determined according to the cell identifier, and the cyclic shift amount ⁇ is determined according to the indication signaling of the base station; or, the sequence index i and the cyclic shift amount ⁇ are determined according to the indication signaling of the base station.
- CM cubic metric
- the peak-to-average power ratio of the sequence is calculated according to the following formula:
- PAPR 10log 10 (
- Mean represents the mean.
- the cross-correlation of the two sequences is calculated according to one of the following methods:
- NFFT represents (I) the number of points of the FFT operation
- conj represents the conjugate
- length represents the length
- seq1 and seq2 are two sequences in the frequency domain
- abs represents the absolute value
- sum represents the summation.
- Using the sequence in the table or its subset as the reference signal or the direct uplink information has the advantages of small cubic metric and high power amplifier efficiency.
- the sequence index used by the neighboring cells is different, the inter-cell interference is also improved.
- the overall performance of the system is also improved.
- Embodiments of the present disclosure also provide a storage medium including a stored program, wherein the program runs to perform the method of any of the above.
- the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), and a mobile hard disk.
- ROM Read-Only Memory
- RAM Random Access Memory
- Embodiments of the present disclosure also provide a processor for running a program, wherein the program executes the steps of any of the above methods when executed.
- the above program is used to perform the following steps:
- modules or steps of the present disclosure described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices.
- they may be implemented by program code executable by a computing device such that they may be stored in a storage device for execution by the computing device and, in some cases, may differ from this
- the steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module.
- the disclosure is not limited to any specific combination of hardware and software.
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Abstract
Description
Claims (24)
- 一种信息的发送方法,其中,包括:确定待发送的上行信息和/或参考信号;通过第一序列将所述上行信息和/或所述参考信号发送给通信节点。
- 根据权利要求1所述的方法,其中,所述上行信息包括以下至少之一:上行控制信息,上行数据信息。
- 根据权利要求1所述的方法,其中,通过第一序列将所述上行信息发送给通信节点包括:在所述上行信息的数量小于或等于2个时,在K1个符号的L个子载波发送1个或多个长度为M的第一序列给通信节点,其中,所述上行信息承载在所述第一序列上,K1>=1,L为大于等于2的整数,M<=L。
- 根据权利要求2所述的方法,其中,通过第一序列将所述上行信息和所述参考信号发送给通信节点包括:在K2个符号的L个子载波上,发送所述上行控制信息和所述上行控制信息对应的参考信号,K2>=2。
- 根据权利要求4所述的方法,其中,在K2个符号的L个子载波上,发送所述上行控制信息和所述上行控制信息对应的参考信号,包括:通过长度为M的第一序列在所述K2个符号中的x个符号的M个子载波上发送经过调制的所述上行控制信息,以及通过长度为M的第一序列在K2-x个符号的M个子载波上发送对应的参考信号,其中,所述第一序列的M个取值映射到所述M个子载波上,L为大于等于2的整数,M<=L,0<x<K2。
- 根据权利要求4所述的方法,其中,在K2个符号的L个子载波上,发送所述上行控制信息和所述上行控制信息对应的参考信号,包括:在所述K2个符号中的x符号的M个子载波上发送经过编码调制的所 述上行控制信息,以及通过长度为M的第一序列在K2-x个符号的M个子载波上发送对应的参考信号,其中,所述序列的M个取值映射到所述M个子载波上,K2>=2,L为大于等于2的整数,0<x<K2,M<=L。
- 根据权利要求4所述的方法,其中,L的取值为3或12的倍数。
- 根据权利要求1所述的方法,其中,所述第一序列为长度为M的序列集合的一个子集,其中,所述序列集合包含30个序列,所述30个序列满足以下条件至少之一:每个序列的不同循环移位正交;每个序列的三次度量值不超过第一三次度量预设值;每个序列的峰均功率比值不超过第一峰均功率比预设值;任意两个序列的互相关不超过第一互相关预设值;其中,M与所述上行信息或所述上行信息或参考信号所使用的子载波数量对应,M=6。
- 根据权利要求1所述的方法,其中,所述第一序列为长度为M的序列集合的一个子集,其中,所述序列集合包含14个序列,所述14个序列满足以下条件至少之一:每个序列的不同循环移位正交;每个序列的三次度量值不超过第二三次度量预设值;每个序列的峰均功率比值不超过第二峰均功率比预设值;任意两个序列的互相关不超过第二互相关预设值;其中,M与所述上行信息或所述上行信息或参考信号所使用的子载波数量对应,M=6。
- 根据权利要求1所述的方法,其中,所述第一序列为长度为M的序列集合一个子集,其中,所述序列集合包含14个序列,所述14个序列满足以下条件至少之一:每个序列的不同循环移位正交;每个序列的三次度量值不超过第三三次度量预设值;每个序列的峰均功率比值不超过第三峰均功率比预设值;任意两个序列的互相关不超过第三互相关预设值;每个序列与长度为12的第一现有序列互相关不超过第四预设值;其中,M与所述上行信息或所述上行信息或参考信号所使用的子载波数量对应,M=6。
- 根据权利要求1所述的方法,其中,所述第一序列为长度为M的序列集合一个子集,其中,所述序列集合包含30个序列,所述30个序列满足以下条件至少之一:每个序列的不同循环移位正交;每个序列的三次度量值不超过第四三次度量预设值;每个序列的峰均功率比值不超过第四峰均功率比预设值;任意两个序列的互相关不超过第五互相关预设值;每个序列与长度为12的第二现有序列互相关不超过第六预设值;其中,M与所述上行信息或所述上行信息或参考信号所使用的子载波数量对应,M=12。
- 根据权利要求1所述的方法,其中,所述第一序列为长度为M的序列集合一个子集,其中,所述序列集合包含30个序列,所述30个序列满足以下条件至少之一:每个序列的不同循环移位正交;每个序列的三次度量值不超过第五三次度量预设值;每个序列的峰均功率比值不超过第五峰均功率比预设值;任意两个序列的互相关不超过第六互相关预设值;每个序列与长度为18的第三现有序列互相关不超过第七预设值;其中,M与所述上行信息或所述上行信息或参考信号所使用的子载波数量对应,M=18。
- 根据权利要求1所述的方法,其中,所述第一序列为长度为M的序列集合一个子集,其中,所述序列集合包含30个序列,所述30个序列满足以下条件至少之一:每个序列的不同循环移位正交;每个序列的三次度量值不超过第六三次度量预设值;每个序列的峰均功率比值不超过第六峰均功率比预设值;任意两个序列的互相关不超过第八互相关预设值;每个序列与长度为24的第四现有序列互相关不超过第九预设值;其中,M与所述上行信息或所述上行信息或参考信号所使用的子载波数量对应,M=24。
- 根据权利要求9,11,13,15,17,19任一项所述的方法,其中,所述的循环移位y i(n,α)通过以下通过表示:y i(n,α)=x i(n)exp(j·2παn/L);其中,α为循环移位量,取值有α∈{0,1,2,...,L-1}。
- 根据权利要求20所述的方法,其中,序列索引i根据小区标识符确定,循环移位量α根据所述通信节点的指示信令确定;或,序列索引i和循环移位量α根据所述通信节点的指示信令确定。
- 一种信息的发送装置,其中,包括:确定模块,用于确定待发送的上行信息和/或参考信号;发送模块,用于通过第一序列将所述上行信息和/或参考信号发送给通信节点。
- 一种存储介质,其中,所述存储介质包括存储的程序,其中,所述程序运行时执行权利要求1至21中任一项所述的方法。
- 一种处理器,其中,所述处理器用于运行程序,其中,所述程序运行时执行权利要求1至21中任一项所述的方法。
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| EP3723428A4 (en) | 2021-07-28 |
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| CN109873783B (zh) | 2021-10-26 |
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