WO2018059094A1 - 相位噪声补偿参考信号的传输方法、发送设备及接收设备 - Google Patents

相位噪声补偿参考信号的传输方法、发送设备及接收设备 Download PDF

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Publication number
WO2018059094A1
WO2018059094A1 PCT/CN2017/094144 CN2017094144W WO2018059094A1 WO 2018059094 A1 WO2018059094 A1 WO 2018059094A1 CN 2017094144 W CN2017094144 W CN 2017094144W WO 2018059094 A1 WO2018059094 A1 WO 2018059094A1
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WIPO (PCT)
Prior art keywords
reference signal
phase noise
noise compensation
configurations
compensation reference
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PCT/CN2017/094144
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English (en)
French (fr)
Inventor
李辉
高秋彬
苏昕
陈润华
塔玛拉卡拉盖施
黄秋萍
李传军
王蒙军
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Priority to KR1020217008326A priority Critical patent/KR20210034119A/ko
Priority to US16/331,934 priority patent/US10938610B2/en
Priority to EP17854548.9A priority patent/EP3522468B1/en
Priority to KR1020197011841A priority patent/KR20190052134A/ko
Priority to JP2019516449A priority patent/JP7101665B2/ja
Publication of WO2018059094A1 publication Critical patent/WO2018059094A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03821Inter-carrier interference cancellation [ICI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2646Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2691Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • H04L27/26136Pilot sequence conveying additional information

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a method for transmitting a phase noise compensation reference signal, a transmitting device, and a receiving device.
  • Phase noise comes from the local oscillator in the transmitter and receiver, which will have an impact on the transmission of multi-carrier signals.
  • the influence of phase noise will be more serious, and the phase noise of the received signal needs to be compensated to ensure system performance.
  • a phase noise compensation reference signal at the transmitting end, it is ensured that the receiving end can perform phase noise estimation of the link and compensate the received signal.
  • phase noise compensation reference signal transmission scheme design For systems with low frequency bands, there is no corresponding phase noise compensation reference signal transmission scheme design, but for systems with high frequency bands, the phase noise compensation reference signal transmission scheme design is more complicated.
  • the present disclosure provides a method, a transmitting device, and a receiving device for transmitting a phase noise compensation reference signal.
  • CPE phase noise
  • ICI Inter-Carrier Interference
  • an embodiment of the present disclosure provides the following solution:
  • a method for transmitting a phase noise compensation reference signal comprising:
  • N is an integer greater than or equal to 2.
  • the step of determining one or more configurations includes:
  • the first configuration and the second configuration are determined.
  • the first of the K1 subcarriers is adopted on the first OFDM symbol of every M OFDM symbols.
  • K1 and K2 are both positive integers greater than or equal to 1, and K1 > K2.
  • the step of determining one or more configurations includes:
  • MCS Modulation and Coding Scheme
  • One or more configurations are determined in the N configurations of the transmission resources of the phase noise compensation reference signal according to the level of the MCS.
  • the step of determining one or more configurations includes:
  • One or more configurations are determined from the correspondence between the MCS level preset in the system and the transmission density of the phase noise compensation reference signal according to the level of the MCS.
  • the method for transmitting the phase noise compensation reference signal further includes:
  • the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information.
  • the method for transmitting the phase noise compensation reference signal further includes:
  • the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between the MCS index and the modulation order, the data block size indication information, and the transmission density information of the phase noise compensation reference signal;
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information, and the correspondence between the MCS index and the transmission density information of the phase noise compensation reference signal is predefined in the system;
  • the correspondence is stored in the transmitting device and the receiving device.
  • the N configurations of the phase noise compensation reference signal have the same time domain density and different frequency domain density, or have different time domain densities and different frequency domain densities, or have different times. Domain density and the same frequency domain density, or have the same time domain density and frequency domain density.
  • An embodiment of the present disclosure further provides a sending device, including:
  • a determining module configured to determine one or more configurations in N configurations of transmission resources of the phase noise compensation reference signal
  • a transmission module configured to transmit a phase noise compensation reference signal by using the one or more configurations
  • the N configurations have different time domain densities or different frequency domain densities, or multiple of the N configurations have the same time domain density and frequency domain density, and N is an integer greater than or equal to 2.
  • the determining module is specifically configured to determine the first configuration and the second configuration in the N configurations of the transmission resources of the phase noise compensation reference signal.
  • the transmission module is specifically configured to: in the first OFDM symbols of the M OFDM symbols, use the first configuration of the K1 subcarriers in the N1 consecutive OFDM symbols in one subframe, and transmit the first a phase noise compensation reference signal, wherein N1 and M are positive integers greater than or equal to 1, and N1 ⁇ M;
  • K1 and K2 are both positive integers greater than or equal to 1, and K1 > K2.
  • the determining module is specifically configured to: determine a level of the MCS used to transmit the data; and determine one or more configurations in the N configurations of the transmission resources of the phase noise compensation reference signal according to the level of the MCS.
  • the determining module determines one or more configurations from the correspondence between the MCS level preset in the system and the transmission density of the phase noise compensation reference signal according to the level of the MCS.
  • the transmission module is further configured to: send MCS indication information, transmission density information of the phase noise compensation reference signal, and transmit data to the receiving device; wherein the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information.
  • the transmitting module is further configured to: send the MCS indication information and transmit the data to the receiving device, where the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between the MCS index and the modulation order, the data block size indication information, and the transmission density information of the phase noise compensation reference signal;
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information, and the correspondence between the MCS index and the transmission density information of the phase noise compensation reference signal is predefined in the system;
  • the correspondence is stored in the transmitting device and the receiving device.
  • the N configurations of the phase noise compensation reference signal have the same time domain density and different frequency domain density, or have different time domain densities and different frequency domain densities, or have different times. Domain density and the same frequency domain density, or have the same time domain density and frequency domain density.
  • An embodiment of the present disclosure further provides a method for transmitting a phase noise compensation reference signal, including:
  • N is an integer greater than or equal to 2.
  • the first phase noise compensation reference signal is received by using the first configuration of the K1 subcarriers in the N1 consecutive OFDM symbols in one subframe, where N1 and M are positive integers greater than or equal to 1, and N1 ⁇ M:
  • K1 and K2 are both positive integers greater than or equal to 1, and K1 > K2.
  • the method for transmitting the phase noise compensation reference signal further includes:
  • the method for transmitting the phase noise compensation reference signal further includes:
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information.
  • the method for transmitting the phase noise compensation reference signal further includes:
  • the MCS index indicates a correspondence between the MCS index and the modulation order, the data block size indication information, and the transmission density information of the phase noise compensation reference signal;
  • the MCS index indicates an MCS index and a modulation order and a data block size indication information. Corresponding relationship between the MCS index and the transmission density information of the phase noise compensation reference signal is predefined in the system;
  • the correspondence is stored in the transmitting device and the receiving device.
  • the N configurations of the phase noise compensation reference signal have the same time domain density and different frequency domain density, or have different time domain densities and different frequency domain densities, or have different times. Domain density and the same frequency domain density, or have the same time domain density and frequency domain density.
  • An embodiment of the present disclosure further provides a receiving device, including:
  • an obtaining module configured to acquire one or more configurations determined in the N configurations of the transmission resources of the phase noise compensation reference signal
  • a receiving module configured to receive a phase noise compensation reference signal by using the one or more configurations
  • the N configurations have different time domain densities or different frequency domain densities, or multiple of the N configurations have the same time domain density and frequency domain density, and N is an integer greater than or equal to 2.
  • the receiving module is specifically configured to receive, by using, a first configuration of K1 subcarriers on the first OFDM symbol of each M OFDM symbol in N1 consecutive OFDM symbols in one subframe, and receive the first a phase noise compensation reference signal, wherein N1 and M are positive integers greater than or equal to 1, and N1 ⁇ M;
  • K1 and K2 are both positive integers greater than or equal to 1, and K1 > K2.
  • the receiving module is further configured to: receive transmission data sent by the transmitting device, and perform compensation for interference between subcarriers in the OFDM symbol according to the phase noise compensation reference signal, and/or according to the phase The noise compensated reference signal compensates for the phase difference of the OFDM symbols for the transmitted data.
  • the receiving module is further configured to: receive transmission density information of the MCS indication information and the phase noise compensation reference signal sent by the sending device, where the MCS indication information carries MCS index.
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information.
  • the receiving module is further configured to: receive MCS indication information sent by the sending device, where the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between the MCS index and the modulation order, the data block size indication information, and the transmission density information of the phase noise compensation reference signal;
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information, and the correspondence between the MCS index and the transmission density information of the phase noise compensation reference signal is predefined in the system; The relationship is saved in the sending device and the receiving device.
  • the N configurations of the phase noise compensation reference signal have the same time domain density and different frequency domain density, or have different time domain densities and different frequency domain densities, or have different times. Domain density and the same frequency domain density, or have the same time domain density and frequency domain density.
  • Embodiments of the present disclosure also provide a transmitting device including: a processor, a memory, and a transceiver, wherein:
  • the processor is configured to read a program in the memory and perform the following process:
  • the N configurations have different time domain densities or different frequency domain densities, or multiple configurations of the N configurations have the same time domain density and frequency domain density, and N is an integer greater than or equal to 2.
  • the transceiver is configured to receive and transmit data
  • the memory is capable of storing data used by the processor when performing operations.
  • Embodiments of the present disclosure also provide a receiving device including: a processor, a memory, and a transceiver, wherein:
  • the processor is configured to read a program in the memory and perform the following process:
  • the N configurations have different time domain densities or different frequency domain densities, or multiple configurations of the N configurations have the same time domain density and frequency domain density, and N is an integer greater than or equal to 2.
  • the transceiver is configured to receive and transmit data
  • the memory is capable of storing data used by the processor when performing operations.
  • the above aspect of the present disclosure by determining one or more configurations in N configurations of transmission resources of the phase noise compensation reference signal; transmitting the phase noise compensation reference signal using the one or more configurations; wherein, N
  • the configurations have different time domain densities or different frequency domain densities. Therefore, the compensation of CPE and ICI caused by phase noise can be realized under a lower pilot overhead.
  • 1 is a flow chart of a method of transmitting a phase noise compensated reference signal in some embodiments of the present disclosure
  • FIG. 2 is another flow diagram of a method of transmitting a phase noise compensated reference signal in some embodiments of the present disclosure
  • FIG. 3 is a diagram showing an example of a transmission pattern of a phase noise compensation reference signal in the embodiment described with reference to FIG. 2 of the present disclosure
  • FIG. 4 is still another flow chart of a method of transmitting a phase noise compensation reference signal in some embodiments of the present disclosure
  • Figure 5 is a phase noise compensation reference signal in the embodiment described with reference to Figure 4 of the present disclosure Schematic diagram of an example of a transmission pattern 1;
  • FIG. 6 is a diagram showing an example of a transmission pattern 2 of a phase noise compensation reference signal in the embodiment described with reference to FIG. 4 of the present disclosure
  • Figure 7 is a block diagram of a module of a transmitting device in some embodiments of the present disclosure.
  • FIG. 8 is a flow chart of a method for transmitting a phase noise compensation reference signal in some embodiments of the present disclosure
  • FIG. 9 is a block diagram of a module of a receiving device in some embodiments of the present disclosure.
  • the transmission scheme of the phase noise compensation reference signal proposed in the present disclosure is capable of realizing phase noise caused by CPE (phase difference between OFDM symbols, defined as CPE) and ICI (phase noise) under a lower pilot overhead
  • CPE phase difference between OFDM symbols
  • ICI phase noise
  • a method for transmitting a phase noise compensation reference signal including:
  • Step 11 Determine one or more configurations in the N configurations of the transmission resources of the phase noise compensation reference signal.
  • Step 12 transmit the phase noise compensation reference signal by using the one or more configurations; wherein, the N configurations have different time domain densities or different frequency domain densities, or when multiple configurations of the N configurations have the same time Domain density and frequency domain density, N is an integer greater than or equal to two.
  • one or more configurations are determined from the N configurations of the transmission resources of the phase noise compensation reference signal, and the phase noise compensation reference signal is transmitted by using the one or more configurations, thereby
  • the phase noise compensated reference signal can be used to compensate for CPE and ICI caused by phase noise.
  • a phase noise compensation reference is provided.
  • Signal transmission methods including:
  • Step 21 determining, in the N configurations of the transmission resources of the phase noise compensation reference signal, the first configuration and the second configuration;
  • the determined first configuration adopts K1 subcarriers
  • the determined second configuration adopts K2 subcarriers
  • Step 22 The first phase noise compensation reference signal is transmitted by using a first configuration of K1 subcarriers on the first OFDM symbol of each M OFDM symbol in the N1 consecutive OFDM symbols in one subframe, where N1 and M are both positive integers greater than or equal to 1, and N1 ⁇ M; Step 23, in the N1 consecutive OFDM symbols of the subframe, the remaining plurality of second except the first OFDM symbol On the OFDM symbol, a second phase noise compensation reference signal is transmitted using a second configuration of K2 subcarriers.
  • K1 and K2 are positive integers, and K1 is greater than K2, and K2 ⁇ 1.
  • the shaded portion indicates the time-frequency position of the phase noise compensation reference signal.
  • This time-frequency pattern of the phase noise compensated reference signal can ensure that CPE and ICI are estimated in OFDM symbols with K1 subcarriers.
  • a method for transmitting a phase noise compensation reference signal including:
  • Step 41 Determine a level of the MCS used to transmit the data
  • Step 42 Determine one or more configurations in the N configurations of the transmission resources of the phase noise compensation reference signal according to the level of the MCS.
  • one or more configurations are determined from a correspondence between a preset MCS level in the system and a transmission density of the phase noise compensation reference signal;
  • Step 43 using K1 subcarriers to transmit a noise compensation reference signal, or using K2 subcarriers
  • the wave transmits a phase noise compensation reference signal; wherein K1 and K2 are positive integers.
  • the method may further include:
  • Step 44 Send MCS indication information, transmission density information of the phase noise compensation reference signal, and transmission data to the receiving device.
  • the MCS indication information carries an MCS index, where the MCS index indicates the MCS index and the modulation order and the data.
  • the block size indicates the correspondence between the information.
  • the method may further include:
  • Step 45 Send MCS indication information and transmit data to the receiving device, where the MCS indication information carries an MCS index, where
  • the MCS index indicates a correspondence between an MCS index and a modulation order, data block size indication information, and transmission density information of a phase noise compensation reference signal;
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information, and the correspondence between the MCS index and the transmission density information of the phase noise compensation reference signal is predefined in the system;
  • the correspondence is stored in the transmitting device and the receiving device.
  • the transmission densities of the at least two phase noise compensation reference signals have the same time domain density and different frequency domain density, or have different time domain densities and different frequency domain densities, Or have different time domain densities and the same frequency domain density, or have the same time domain density and the same frequency domain density.
  • Phase noise compensation reference signals having different transmission densities are pre-agreed in the system, which correspond to different configurations, and the reference signals of each density have a fixed time-frequency pattern.
  • Different transmission densities may have the same frequency domain density with different time domain densities, or different time domain density frequency domain densities, or different time domain densities of different frequency domain densities.
  • the transmitting device determines the MCS used in the data transmission, and determines the phase noise compensation reference signal for transmitting a certain density according to the MCS (which may also include the subcarrier spacing of the system).
  • the receiving device receives the transmission data, and receives the MCS indication information of the control channel or the high layer signaling and the density indication information of the phase noise compensation reference signal, according to the density indication information of the phase noise compensation reference signal, on the corresponding time-frequency resource.
  • the phase noise compensation reference signal is received and subsequent data compensation is performed.
  • the MCS indication information includes density indication information of the phase noise compensation reference signal, and only informs the receiving end MCS indication information.
  • the receiving device receives the data, and receives the MCS indication information of the control channel or the high layer signaling, according to the MCS indication information and the density indication information of the corresponding phase noise compensation reference signal in the MCS indication information pre-agreed in the system, correspondingly The phase noise compensation reference signal is received on the time-frequency resource, and subsequent data compensation is performed.
  • the MCS indication information does not include the density indication information of the phase noise compensation reference signal.
  • the correspondence between the density of the phase noise compensation reference signal and the MCS indication information (which may also include the subcarrier spacing) is pre-agreed in the system and stored in the transmitting and receiving device.
  • the transmitting device only informs the receiving device of the MCS indication information without notifying the density indication information of the phase noise compensation reference signal.
  • the receiving device receives the data, and receives the MCS indication information of the control channel or the high layer signaling, according to the MCS indication information and the correspondence between the density of the phase noise compensation reference signal pre-agreed by the system and the MCS indication information stored in the receiving device.
  • the phase noise compensation reference signal is received on the corresponding time-frequency resource, and subsequent data compensation is performed.
  • the high-density phase noise compensation reference signal of the pattern shown in FIG. 5 is configured, that is, each OFDM symbol in which the phase noise compensation reference signal exists
  • the reference signal is transmitted on adjacent 4 subcarriers, which can compensate for both the CPE and the ICI.
  • the low-density phase noise compensation reference signal of the pattern shown in FIG. 6 is configured, that is, in each OFDM symbol in which the phase noise compensation reference signal exists, the reference signal is transmitted on one subcarrier, which can only compensate the CPE.
  • the MCS indication information in the system is defined as shown in Table 1, and includes a total of MCS levels. Each level includes a modulation order, and the data block indicates two pieces of information, where the data block indication portion indicates that there are S different data block sizes.
  • the correspondence between the density of the phase noise compensation reference signal shown in Table 2 and the MCS indication information is agreed.
  • the low-density phase noise compensation reference signal can be used to compensate only the CPE.
  • Table 2 Correspondence between the density of the phase noise compensation reference signal and the MCS indication information
  • the transmitting device determines that the modulation order is 2 according to the feedback of the receiving device, and the data block size indication is 2. And transmitting the low-density phase noise compensation reference signal according to the mapping relationship of Table 2.
  • the receiving device receives the MCS index notified by the control channel, receives the data, and determines the phase-frequency pattern estimation phase noise of the phase noise compensation reference signal shown in FIG. 6 according to the mapping relationship in Table 2.
  • the MCS indication information used in the system includes three parts of the modulation order, the data block indication and the phase noise compensation reference signal density defined in Table 3.
  • MCS index I-2, indicating that the modulation order of the data is 4, the size of the transmission data block is the size indicated by S-2, and the high-density phase noise compensation reference signal is transmitted.
  • the transmitting device determines, according to the feedback of the receiving end, that the modulation order is 2, the data block size is indicated as 1, and the low-density phase noise compensation reference signal is used.
  • the receiving device receives the MCS index notified by the control channel, receives the data, and determines the phase-frequency pattern estimation phase noise of the phase noise compensation reference signal shown in FIG. 6 according to the definition in Table 3.
  • the above-described embodiments of the present disclosure are capable of compensating for CPE and ICI caused by phase noise at a lower pilot overhead.
  • a transmitting device 70 including:
  • a determining module 71 configured to determine one or more configurations in the N configurations of the transmission resources of the phase noise compensation reference signal
  • a transmission module 72 configured to transmit a phase noise compensation reference by using the one or more configurations a signal; wherein the N configurations have different time domain densities or different frequency domain densities, or a plurality of configurations of the N configurations have the same time domain density and frequency domain density, and N is an integer greater than or equal to 2.
  • the determining module 71 is specifically configured to determine the first configuration and the second configuration in the N configurations of the transmission resources of the phase noise compensation reference signal;
  • the transmitting module 72 is specifically configured to: in the N1 consecutive OFDM symbols in one subframe, transmit a first phase noise by using a first configuration of K1 subcarriers on a first OFDM symbol of every M OFDM symbols. Compensating the reference signal, wherein N1 and M are both positive integers greater than or equal to 1, and N1 ⁇ M;
  • K1 and K2 are both positive integers and K1>K2.
  • the determining module 71 is specifically configured to: determine a level of the MCS used to transmit the data; and determine one or more configurations in the N configurations of the transmission resources of the phase noise compensation reference signal according to the level of the MCS.
  • the determining module 71 determines one or more configurations from the correspondence between the MCS level preset in the system and the transmission density of the phase noise compensation reference signal according to the level of the MCS.
  • the transmission module 72 is further configured to: send MCS indication information, transmission density information of the phase noise compensation reference signal, and transmit data to the receiving device; wherein the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information.
  • the transmission module 72 is further configured to: send MCS indication information and transmit data to the receiving device, where the MCS indication information carries an MCS index;
  • the MCS index indicates a correspondence between the MCS index and the modulation order, the data block size indication information, and the transmission density information of the phase noise compensation reference signal;
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information, and the transmission density of the MCS index and the phase noise compensation reference signal is predefined in the system. Correspondence between degrees of information;
  • the correspondence is stored in the transmitting device and the receiving device.
  • the N configurations of the phase noise compensation reference signal have the same time domain density and different frequency domain density, or have different time domain density and different frequency domain density, or have different time domains. Density and the same frequency domain density, or have the same time domain density and the same frequency domain density.
  • Some embodiments of the present disclosure further provide a sending device, where the sending device includes:
  • a processor configured to implement the function of the determining module 71, wherein the determining module 71 is configured to determine one or more configurations in the N configurations of the transmission resource of the phase noise compensation reference signal, where N is an integer greater than or equal to 2.
  • a transmitter for implementing the functions of the foregoing transmission module 72, the transmission module 72 for transmitting the phase noise compensation reference signal by using the one or more configurations; wherein the N configurations have different time domain densities or different The frequency domain density, or multiple of the N configurations, has the same time domain density and frequency domain density.
  • the transmitting device further includes a memory for storing data involved in implementing the corresponding function by the processor, the processor and the memory are connected through a bus interface, and the processor is communicably connected with the transmitter, and the memory and the transmitter are connected through a bus interface. Or a communication connection.
  • the transmitting device may further include a processor, a memory, a transmitter, and the like.
  • Other components or devices, such as receivers, may also include a receiver for implementing the functionality of the receiving module.
  • the transmitter and receiver may be implemented by a transceiver.
  • a method for transmitting a phase noise compensation reference signal including:
  • Step 81 Acquire one or more configurations determined in the N configurations of the transmission resources of the phase noise compensation reference signal
  • Step 82 receiving, by the one or more configurations, a phase noise compensation reference signal
  • N configurations have different time domain densities or different frequency domain densities, or N matches
  • the plurality of configurations placed have the same time domain density and frequency domain density, and N is an integer greater than or equal to 2.
  • phase noise compensation reference signal The first implementation of the phase noise compensation reference signal:
  • a first phase noise compensation reference signal Receiving, in a first OFDM symbol of every M OFDM symbols, a first phase noise compensation reference signal, where N1 and M are used, in a first OFDM symbol of every M OFDM symbols in a subframe, in a first configuration of K1 subcarriers Both are positive integers greater than or equal to 1, and N1 ⁇ M;
  • K1 and K2 are both positive integers and K1>K2.
  • Step 811 Acquire one or more configurations determined in the N configurations of the transmission resources of the phase noise compensation reference signal.
  • Step 812 receiving, by the one or more configurations, a phase noise compensation reference signal
  • the N configurations have different time domain densities or different frequency domain densities, or a plurality of configurations of the N configurations have the same time domain density and frequency domain density;
  • Step 813 Receive transmission data sent by the sending device.
  • Step 814 Perform compensation on inter-subcarrier interference in the OFDM symbol according to the phase noise compensation reference signal, and compensate the transmission data for the phase difference of the OFDM symbol according to the phase noise compensation reference signal.
  • the method for transmitting the phase noise compensation reference signal may further include:
  • Step 815 Receive transmission density information of the MCS indication information and the phase noise compensation reference signal sent by the sending device, where the MCS indication information carries an MCS index, where the MCS index indicates the MCS index and the modulation order and the data.
  • the block size indicates the correspondence between the information.
  • the method for transmitting the phase noise compensation reference signal further includes:
  • Step 816 Receive MCS indication information sent by the sending device, where the MCS indication information carries an MCS index, where the MCS index indicates an MCS index and a modulation order, a correspondence between the data block size indication information and the transmission density information of the phase noise compensation reference signal; or the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information, and the system pre- Defining a correspondence between the MCS index and the transmission density information of the phase noise compensation reference signal; the correspondence is stored in the transmitting device and the receiving device
  • the N configurations of the phase noise compensation reference signal have the same time domain density and different frequency domain density, or have different time domain density and different frequency domain density, or have different time domains. Density and the same frequency domain density, or have the same time domain density and the same frequency domain density.
  • This embodiment of the present disclosure may enable the receiving device to implement compensation for CPE and ICI caused by phase noise.
  • a receiving device 90 including:
  • the obtaining module 91 is configured to acquire one or more configurations determined in the N configurations of the transmission resources of the phase noise compensation reference signal;
  • the receiving module 92 is configured to receive the phase noise compensation reference signal by using the one or more configurations; wherein the N configurations have different time domain densities or different frequency domain densities, or multiple configurations of the N configurations have The same time domain density and frequency domain density, N is an integer greater than or equal to 2.
  • the receiving module is specifically configured to: in a first OFDM symbol of every M OFDM symbols, receive a first phase noise compensation in a first configuration of K1 subcarriers in N1 consecutive OFDM symbols in one subframe a reference signal, wherein N1 and M are positive integers greater than or equal to 1, and N1 ⁇ M;
  • K1 and K2 are both positive integers and K1>K2.
  • the receiving module is further configured to: receive the MCS indication information sent by the sending device, and the transmission density information of the phase noise compensation reference signal, where the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between an MCS index and a modulation order and data block size indication information.
  • the receiving module is further configured to: receive MCS indication information sent by the sending device, where the MCS indication information carries an MCS index.
  • the MCS index indicates a correspondence between an MCS index and a modulation order, data block size indication information, and transmission density information of a phase noise compensation reference signal;
  • the MCS index indicates a correspondence between the MCS index and the modulation order and the data block size indication information, and the correspondence between the MCS index and the transmission density information of the phase noise compensation reference signal is predefined in the system; The relationship is saved in the sending device and the receiving device.
  • the N configurations of the phase noise compensation reference signal have the same time domain density and different frequency domain density, or have different time domain density and different frequency domain density, or have different time domains. Density and the same frequency domain density, or have the same time domain density and the same frequency domain density.
  • FIG. 9 of the present disclosure is an apparatus corresponding to the method described above with reference to FIG. 8, and all of the specific implementations of the embodiment described above with reference to FIG. 8 are applicable to the implementation of the apparatus. In the example, the same technical effect can be achieved.
  • a transmitting device is further provided, where the sending device includes:
  • a processor configured to implement the function of the obtaining module 91, where the acquiring module 91 is configured to acquire one or more configurations determined in the N configurations of the transmission resources of the phase noise compensation reference signal;
  • the receiving module 92 is configured to receive a phase noise compensation reference signal by using the one or more configurations; wherein the N configurations have different time domain densities or different The frequency domain density, or multiple of the N configurations, has the same time domain density and frequency domain density, and N is an integer greater than or equal to two.
  • the receiving device further includes a memory for storing data involved in implementing the corresponding function by the processor, the processor and the memory are connected through a bus interface, and the processor is communicably connected with the transmitter, and the memory and the transmitter are connected through a bus interface. Or a communication connection.
  • the transmitting device may further include a processor, a memory, a transmitter, and the like.
  • Other components or devices, such as receivers, may also include a receiver for implementing the functionality of the receiving module.
  • the transmitter and receiver may be implemented by a transceiver.
  • the solution described in all of the above embodiments of the present disclosure is capable of compensating for CPE and ICI caused by phase noise at a lower pilot overhead.

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Abstract

本公开文本的实施例提供一种相位噪声补偿参考信号的传输方法、发送设备及接收设备,其中传输方法包括:在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;采用所述一个或者多个配置,传输相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。

Description

相位噪声补偿参考信号的传输方法、发送设备及接收设备
相关申请的交叉引用
本申请主张在2016年9月30日在中国提交的中国专利申请No.201610873373.9的优先权,其全部内容通过引用包含于此。
技术领域
本公开文本涉及通信技术领域,特别是指一种相位噪声补偿参考信号的传输方法、发送设备及接收设备。
背景技术
相位噪声来自于发射机与接收机中的本地振荡器,其对于多载波信号的传输将产生影响。而在高频段(6GHz以上),相位噪声的影响将更加严重,需要对接收信号进行相位噪声的补偿以保证系统性能。通过在发送端引入相位噪声补偿参考信号,可以保证接收端能够进行链路的相位噪声估计,并对接收信号进行补偿。
应用于低频段的系统,没有相应的相位噪声补偿参考信号的传输方案设计,而应用于高频段的系统,相位噪声补偿参考信号的传输方案设计较为复杂。
发明内容
本公开文本提供了一种相位噪声补偿参考信号的传输方法、发送设备及接收设备。能够在较低的导频开销下,实现对相位噪声引起的同相位误差(Common Phase Error,CPE)与载波间干扰(Inter-Carrier Interference,ICI)的补偿。
为解决上述技术问题,本公开文本的实施例提供如下方案:
一种相位噪声补偿参考信号的传输方法,包括:
在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
采用所述一个或者多个配置,传输相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
进一步地,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置的步骤包括:
在相位噪声补偿参考信号的传输资源的N个配置中,确定第一配置和第二配置。
进一步地,在一个子帧中的N1个连续的正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,传输第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,传输第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
进一步地,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置的步骤包括:
确定传输数据采用的调制编码方式(Modulation and Coding Scheme,MCS)的等级;
根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置。
进一步地,根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置的步骤包括:
根据所述MCS的等级,从系统中预设的MCS等级与相位噪声补偿参考信号的传输密度的对应关系中,确定一个或者多个配置。
进一步地,相位噪声补偿参考信号的传输方法还包括:
发送MCS指示信息、相位噪声补偿参考信号的传输密度信息以及传输数据给接收设备;
其中,所述MCS指示信息携带有MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
进一步地,相位噪声补偿参考信号的传输方法还包括:
发送MCS指示信息以及传输数据给接收设备;
其中,所述MCS指示信息携带有MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系;
所述对应关系保存在发送设备和接收设备中。
进一步地,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
本公开文本的实施例还提供一种发送设备,包括:
确定模块,用于在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
传输模块,用于采用所述一个或者多个配置,传输相位噪声补偿参考信号;
其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
进一步地,所述确定模块具体用于在相位噪声补偿参考信号的传输资源的N个配置中,确定第一配置和第二配置。
进一步地,所述传输模块具体用于,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,传输第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,传输第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
进一步地,所述确定模块具体用于:确定传输数据采用的MCS的等级;根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置。
进一步地,所述确定模块根据所述MCS的等级,从系统中预设的MCS等级与相位噪声补偿参考信号的传输密度的对应关系中,确定一个或者多个配置。
进一步地,所述传输模块还用于:发送MCS指示信息、相位噪声补偿参考信号的传输密度信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
进一步地,所述传输模块还用于:发送MCS指示信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系;
所述对应关系保存在发送设备和接收设备中。
进一步地,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
本公开文本的实施例还提供一种相位噪声补偿参考信号的传输方法,包括:
获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
通过所述一个或者多个配置,接收相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
进一步地,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,接收第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M:
在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,接收第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
进一步地,相位噪声补偿参考信号的传输方法还包括:
接收发送设备发送的传输数据;
根据所述相位噪声补偿参考信号对所述传输数据进行OFDM符号内的子载波间的干扰的补偿,和/或根据所述相位噪声补偿参考信号对传输数据进行OFDM符号的相位差异的补偿。
进一步地,相位噪声补偿参考信号的传输方法还包括:
接收发送设备发送的MCS指示信息和相位噪声补偿参考信号的传输密度信息;其中,所述MCS指示信息携带有MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
进一步地,相位噪声补偿参考信号的传输方法还包括:
接收发送设备发送的MCS指示信息;其中,所述MCS指示信息携带有MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之 间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系;
所述对应关系保存在发送设备和接收设备中。
进一步地,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
本公开文本的实施例还提供一种接收设备,包括:
获取模块,用于获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
接收模块,用于通过所述一个或者多个配置,接收相位噪声补偿参考信号;
其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
进一步地,所述接收模块具体用于,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,接收第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,接收第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
进一步地,所述接收模块还用于:接收发送设备发送的传输数据,并根据所述相位噪声补偿参考信号对传输数据进行OFDM符号内的子载波间的干扰的补偿和/或根据所述相位噪声补偿参考信号对传输数据进行OFDM符号的相位差异的补偿。
进一步地,所述接收模块还用于:接收发送设备发送的MCS指示信息和相位噪声补偿参考信号的传输密度信息;其中,所述MCS指示信息携带有 MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
进一步地,所述接收模块还用于:接收发送设备发送的MCS指示信息;其中,所述MCS指示信息携带有MCS索引。
进一步地,所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系;所述对应关系保存在发送设备和接收设备中。
进一步地,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
本公开文本的实施例还提供一种发送设备,包括:处理器、存储器和收发机,其中:
所述处理器用于读取存储器中的程序,执行下列过程:
在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
采用所述一个或者多个配置,传输相位噪声补偿参考信号,
其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数,
所述收发机用于接收和发送数据,
所述存储器能够存储处理器在执行操作时所使用的数据。
本公开文本的实施例还提供一种接收设备,包括:处理器、存储器和收发机,其中:
所述处理器用于读取存储器中的程序,执行下列过程:
获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一 个或者多个配置;
通过所述一个或者多个配置,接收相位噪声补偿参考信号,
其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数,
所述收发机用于接收和发送数据,
所述存储器能够存储处理器在执行操作时所使用的数据。
本公开文本的上述方案至少包括以下有益效果:
本公开文本的上述方案,通过在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;采用所述一个或者多个配置,传输相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度。从而能够在较低的导频开销下,实现对相位噪声引起的CPE与ICI的补偿。
附图说明
为了更清楚地说明本公开文本实施例的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请中记载的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。以下附图并未刻意按实际尺寸等比例缩放绘制,重点在于示出本申请的主旨。
图1为本公开文本的一些实施例中的相位噪声补偿参考信号的传输方法的流程图;
图2为本公开文本的一些实施例中的相位噪声补偿参考信号的传输方法的另一流程图;
图3为本公开文本的参照图2描述的实施例中的相位噪声补偿参考信号的传输图案的实例示意图;
图4为本公开文本的一些实施例中的相位噪声补偿参考信号的传输方法的又一流程图;
图5为本公开文本的参照图4描述的实施例中的相位噪声补偿参考信号 的传输图案1的实例示意图;
图6为本公开文本的参照图4描述的实施例中的相位噪声补偿参考信号的传输图案2的实例示意图;
图7为本公开文本的一些实施例中的发送设备的模块框图;
图8为本公开文本的一些实施例中的相位噪声补偿参考信号的传输方法流程图;
图9为本公开文本的一些实施例中的接收设备的模块框图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例,然而应当理解,可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反,提供这些实施例是为了能够更透彻地理解本公开,并且能够将本公开的范围完整的传达给本领域的技术人员。
本公开文本提出的相位噪声补偿参考信号的传输方案,其能够在较低的导频开销下,实现对相位噪声引起的CPE(各个OFDM符号间的相位差异,定义为CPE)与ICI(相位噪声造成的一个OFDM符号内的子载波间的干扰,定义为ICI)的补偿。
在本公开文本一些实施例中,如图1所示,提供一种相位噪声补偿参考信号的传输方法,包括:
步骤11,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置。
步骤12,采用所述一个或者多个配置,传输相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
本公开文本的上述实施例中,从在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置,采用所述一个或者多个配置,传输相位噪声补偿参考信号,从而可以使相位噪声补偿参考信号可以用于对相位噪声引起的CPE与ICI的补偿。
在本公开文本一些实施例中,如图2所示,提供一种相位噪声补偿参考 信号的传输方法,包括:
步骤21,在相位噪声补偿参考信号的传输资源的N个配置中,确定第一配置和第二配置;
具体地,确定的第一配置采用K1个子载波,确定的第二配置采用K2个子载波;
步骤22,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,传输第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;步骤23,在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用K2个子载波的第二配置,传输第二相位噪声补偿参考信号。
其中,K1、K2均为正整数,且K1大于K2,且K2≥1。
具体地,如图3所示,N=6,M=2,K1=4,K2=1。其中阴影部分表示相位噪声补偿参考信号的时频位置。
这种传输相位噪声补偿参考信号的时频图样可以保证在具有K1个子载波的OFDM符号中进行CPE和ICI的估计。
而在具有K2个子载波的OFDM符号中仅进行CPE的估计,而使用之前符号中估计出的ICI用于本符号中的ICI补偿。
在本公开文本一些实施例中,如图4所示,提供一种相位噪声补偿参考信号的传输方法,包括:
步骤41,确定传输数据采用的MCS的等级;
步骤42,根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
具体地,根据所述MCS的等级,从系统中预设的MCS等级与相位噪声补偿参考信号的传输密度的对应关系中,确定一个或者多个配置;
具体地,例如,确定相位噪声补偿参考信号配置中的第一配置,对应K1个子载波;或者确定相位噪声补偿参考信号配置中的第二配置,对应K2个子载波;
步骤43,采用K1个子载波传输噪声补偿参考信号,或者采用K2个子载 波传输相位噪声补偿参考信号;其中,K1、K2均为正整数。
在上述步骤41-43的基础上,并进一步地,该方法还可以包括:
步骤44,发送MCS指示信息、相位噪声补偿参考信号的传输密度信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
在上述步骤41-43的基础上,并进一步地,该方法还可以包括:
步骤45,发送MCS指示信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引;其中,
所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系;
所述对应关系保存在发送设备和接收设备中。
本公开文本的上述实施例中,至少两个相位噪声补偿参考信号的传输密度之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和相同的频域密度。
上述参照图4描述的实施例的具体实现过程如下:
1)系统中预先约定具有不同传输密度的相位噪声补偿参考信号,其对应于不同配置,每种密度的参考信号具有固定的时频图样。不同传输密度之间可以具有相同的时域密度不同的频域密度,或者时域密度频域密度均不同,或者相同的频域密度不同的时域密度。
2)发送设备确定数据传输时使用的MCS,并根据MCS(还可以包括系统的子载波间隔),确定传输某一密度的相位噪声补偿参考信号。
3)发送端传输数据及上述步骤中所确定的相位噪声补偿参考信号的传输密度,同时通过控制信道或高层信令将MCS指示信息(不包含相位噪声补偿参考信号的密度指示信息)和相位噪声补偿参考信号的密度指示信息告知接 收端。
4)接收设备接收传输数据,并接收控制信道或者高层信令通知的MCS指示信息及相位噪声补偿参考信号的密度指示信息,根据相位噪声补偿参考信号的密度指示信息,在相应的时频资源上接收相位噪声补偿参考信号,并进行后续的数据补偿。
以上的步骤3)、4)也可以采用以下的方式:
3a)MCS指示信息中包含相位噪声补偿参考信号的密度指示信息,仅告知接收端MCS指示信息。
4a)接收设备接收数据,并接收控制信道或者高层信令通知的MCS指示信息,根据此MCS指示信息以及系统中预先约定的MCS指示信息中对应的相位噪声补偿参考信号的密度指示信息,在相应的时频资源上接收相位噪声补偿参考信号,并进行后续的数据补偿。
或者,以上的步骤3)、4)也可以采用以下的方式:
3b)MCS指示信息中不包含相位噪声补偿参考信号的密度指示信息。系统中预先约定相位噪声补偿参考信号的密度与MCS指示信息(还可以包括子载波间隔)的对应关系,并存储在发射与接收设备中。发送设备仅告知接收设备MCS指示信息,而不需要告知相位噪声补偿参考信号的密度指示信息。
4b)接收设备接收数据,并接收控制信道或者高层信令通知的MCS指示信息,根据此MCS指示信息及接收设备中存储的系统预先约定的相位噪声补偿参考信号的密度与MCS指示信息的对应关系,在相应的时频资源上接收相位噪声补偿参考信号,并进行后续的数据补偿。
具体实施例一:
1)假设系统中定义了相位噪声补偿参考信号的传输资源的2个配置,配置1如图5所示图样的高密度相位噪声补偿参考信号,即存在相位噪声补偿参考信号的每个OFDM符号中,参考信号在相邻4个子载波上传输,其既可以补偿CPE也可以补偿ICI。配置2如图6所示图样的低密度相位噪声补偿参考信号,即存在相位噪声补偿参考信号的每个OFDM符号中,参考信号在1个子载波上传输,其只能补偿CPE。
假设系统中的MCS指示信息的定义如表1所示,共包含I个MCS等级, 每个等级包括调制阶数、数据块指示两部分信息,这里数据块指示部分表示有S个不同的数据块大小。另外约定了表2所示的相位噪声补偿参考信号的密度与MCS指示信息的对应关系。
可选地,MCS等级越低,表示调制阶数和编码率越低,此时可以使用低密度的相位噪声补偿参考信号仅进行CPE的补偿。
表1:MCS指示信息的定义
MCS index 调制阶数 数据块指示
0 2 0
1 2 1
2 2 2
I-2 4 S-2
I-1 6 S-1
表2:相位噪声补偿参考信号的密度与MCS指示信息的对应关系
Figure PCTCN2017094144-appb-000001
2)发送设备根据接收设备的反馈确定调制阶数为2,数据块大小指示为2。并根据表2的映射关系确定传输低密度相位噪声补偿参考信号。
3)发送设备发送数据及图6中的相位噪声补偿参考信号,并通过控制信道告知接收端MCS index=2。
4)接收设备接收控制信道告知的MCS index,接收数据,并根据表2中的映射关系确定图6所示的相位噪声补偿参考信号的时频图样估计相位噪声。
具体实施例二:
1)假设系统中定义了相位噪声补偿参考信号的传输资源的2个配置,配置1如图5所示图样的高密度相位噪声补偿参考信号,配置2如图6所示图样的低密度相位噪声补偿参考信号。
此外系统中使用的MCS指示信息包括表3所定义的调制阶数、数据块指示和相位噪声补偿参考信号密度三部分内容。
例如MCS index=I-2,表示数据的调制阶数为4,传输数据块大小为S-2所指示的大小,传输高密度相位噪声补偿参考信号。
表3:MCS指示信息的定义
Figure PCTCN2017094144-appb-000002
2)发送设备根据接收端的反馈确定调制阶数为2、数据块大小指示为1、使用低密度相位噪声补偿参考信号。
3)发送设备发送数据及图6中的相位噪声补偿参考信号,并通过控制信道告知接收端MCS index=1。
4)接收设备接收控制信道告知的MCS index,接收数据,并根据表3中的定义确定图6所示的相位噪声补偿参考信号的时频图样估计相位噪声。
本公开文本的上述实施例能够在较低的导频开销下,实现对相位噪声引起的CPE与ICI的补偿。
在本公开文本一些实施例中,如图7所示,还提供一种发送设备70,包括:
确定模块71,用于在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
传输模块72,用于采用所述一个或者多个配置,传输相位噪声补偿参考 信号;其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
其中,确定模块71具体用于在相位噪声补偿参考信号的传输资源的N个配置中,确定第一配置和第二配置;
所述传输模块72具体用于,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,传输第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,传输第二相位噪声补偿参考信号。其中,K1和K2均为正整数,且K1>K2。
其中,所述确定模块71具体用于:确定传输数据采用的MCS的等级;根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置。
其中,所述确定模块71根据所述MCS的等级,从系统中预设的MCS等级与相位噪声补偿参考信号的传输密度的对应关系中,确定一个或者多个配置。
其中,所述传输模块72还用于:发送MCS指示信息、相位噪声补偿参考信号的传输密度信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引。
其中,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
其中,所述传输模块72还用于:发送MCS指示信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引;
其中,所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密 度信息之间的对应关系;
所述对应关系保存在发送设备和接收设备中。
其中,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度及相同的频域密度。
上述参照图7描述的实施例是与上述参照图1-4描述的实施例所述的方法对应的装置,上述参照图1-4描述的实施例中所有具体实现方式均适用于该设备的实施例中,也能达到相同的技术效果。
本公开文本一些实施例中还提供一种发送设备,该发送设备包括:
处理器,用于实现上述确定模块71的功能,所述确定模块71用于在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置,N为大于或者等于2的整数;发射机,用于实现上述传输模块72的功能,所述传输模块72用于采用所述一个或者多个配置,传输相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度。
该发送设备还包括存储器,用于存储上述处理器在实现相应功能时所涉及的数据,该处理器、存储器通过总线接口连接,且处理器与发射机通信连接,存储器与发射机通过总线接口连接或者通信连接。
上述参照图7描述的实施例中所有模块的功能均适用于该发送设备的实施例中,也能达到相同的技术效果,且该发送设备还可包括与处理器、存储器、发射机等相关的其它部件或者装置,如还可以包括接收机,用于实现接收模块的功能,当然,发射机和接收机可以由收发机来实现。
在本公开文本一些实施例中,如图8所示,提供一种相位噪声补偿参考信号的传输方法,包括:
步骤81,获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
步骤82,通过所述一个或者多个配置,接收相位噪声补偿参考信号;
其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配 置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
相位噪声补偿参考信号的第一种实现方式:
在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,接收第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,接收第二相位噪声补偿参考信号。其中,K1和K2均为正整数,且K1>K2。
相位噪声补偿参考信号的第二种实现方式:
步骤811,获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
步骤812,通过所述一个或者多个配置,接收相位噪声补偿参考信号;
其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度;
步骤813,接收发送设备发送的传输数据;
步骤814,根据所述相位噪声补偿参考信号对传输数据进行OFDM符号内的子载波间的干扰的补偿,并根据所述相位噪声补偿参考信号对传输数据进行OFDM符号的相位差异的补偿。
进一步地,在上述步骤811-814的基础上,相位噪声补偿参考信号的传输方法还可包括:
步骤815,接收发送设备发送的MCS指示信息和相位噪声补偿参考信号的传输密度信息;其中,所述MCS指示信息携带有MCS索引;其中,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
进一步地,在上述步骤811-814的基础上,相位噪声补偿参考信号的传输方法还包括:
步骤816,接收发送设备发送的MCS指示信息;其中,所述MCS指示信息携带有MCS索引;其中,所述MCS索引指示了MCS索引与调制阶数、 数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系;所述对应关系保存在发送设备和接收设备中
其中,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度及相同的频域密度。
本公开文本的该实施例可以使接收设备实现对相位噪声引起的CPE与ICI的补偿。
在本公开文本一些实施例中,如图9所示,还提供一种接收设备90,包括:
获取模块91,用于获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
接收模块92,用于通过所述一个或者多个配置,接收相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
所述接收模块具体用于,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,接收第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,接收第二相位噪声补偿参考信号。其中,K1和K2均为正整数,且K1>K2。
接收发送设备发送的传输数据,并根据所述相位噪声补偿参考信号对传输数据进行OFDM符号内的子载波间的干扰的补偿和/或根据所述相位噪声补偿参考信号对传输数据进行OFDM符号的相位差异的补偿。
其中,所述接收模块还用于:接收发送设备发送的MCS指示信息和相位噪声补偿参考信号的传输密度信息;其中,所述MCS指示信息携带有MCS索引。所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
其中,所述接收模块还用于:接收发送设备发送的MCS指示信息;其中,所述MCS指示信息携带有MCS索引。
所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系;所述对应关系保存在发送设备和接收设备中。
其中,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度及相同的频域密度。
本公开文本的该参照图9描述的实施例是与上述参照图8描述的实施例所述的方法对应的装置,上述参照图8描述的实施例中所有具体实现方式均适用于该设备的实施例中,也能达到相同的技术效果。
在本公开文本一些实施例中,还提供一种发送设备,该发送设备包括:
处理器,用于实现上述获取模块91的功能,所述获取模块91用于获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
接收机,用于实现上述接收模块92的功能,所述接收模块92用于通过所述一个或者多个配置,接收相位噪声补偿参考信号;其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
该接收设备还包括存储器,用于存储上述处理器在实现相应功能时所涉及的数据,该处理器、存储器通过总线接口连接,且处理器与发射机通信连接,存储器与发射机通过总线接口连接或者通信连接。
上述参照图9描述的实施例中所有模块的功能均适用于该发送设备的实施例中,也能达到相同的技术效果,且该发送设备还可包括与处理器、存储器、发射机等相关的其它部件或者装置,如还可以包括接收机,用于实现接收模块的功能,当然,发射机和接收机可以由收发机来实现。
本公开文本的上述所有实施例所述的方案,能够在较低的导频开销下,实现对相位噪声引起的CPE与ICI的补偿。
以上所述是本公开文本的可选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本公开文本所述原理的前提下,还可以作出多个改进和润饰,这些改进和润饰也应视为本公开文本的保护范围。

Claims (38)

  1. 一种相位噪声补偿参考信号的传输方法,包括:
    在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
    采用所述一个或者多个配置,传输相位噪声补偿参考信号,
    其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
  2. 根据权利要求1所述的相位噪声补偿参考信号的传输方法,其中,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置的步骤包括:
    在相位噪声补偿参考信号的传输资源的N个配置中,确定第一配置和第二配置。
  3. 根据权利要求2所述的相位噪声补偿参考信号的传输方法,其中,在一个子帧中的N1个连续的正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,传输第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
    在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,传输第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
  4. 根据权利要求1所述的相位噪声补偿参考信号的传输方法,其中,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置的步骤包括:
    确定传输数据采用的MCS的等级;
    根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置。
  5. 根据权利要求4所述的相位噪声补偿参考信号的传输方法,其中,根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置的步骤包括:
    根据所述MCS的等级,从系统中预设的MCS等级与相位噪声补偿参考信号的传输密度的对应关系中,确定一个或者多个配置。
  6. 根据权利要求5所述的相位噪声补偿参考信号的传输方法,还包括:
    发送MCS指示信息、相位噪声补偿参考信号的传输密度信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引。
  7. 根据权利要求6所述的相位噪声补偿参考信号的传输方法,其中,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
  8. 根据权利要求5所述的相位噪声补偿参考信号的传输方法,还包括:发送MCS指示信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引。
  9. 根据权利要求8所述的相位噪声补偿参考信号的传输方法,其中,所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
    所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系,
    其中,所述对应关系保存在发送设备和接收设备中。
  10. 根据权利要求1所述的相位噪声补偿参考信号的传输方法,其中,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
  11. 一种发送设备,包括:
    确定模块,用于在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
    传输模块,用于采用所述一个或者多个配置,传输相位噪声补偿参考信 号,
    其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
  12. 根据权利要求11所述的发送设备,其中,所述确定模块具体用于在相位噪声补偿参考信号的传输资源的N个配置中,确定第一配置和第二配置。
  13. 根据权利要求12所述的发送设备,其中,所述传输模块具体用于,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,传输第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
    在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,传输第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
  14. 根据权利要求11所述的发送设备,其中,所述确定模块具体用于:确定传输数据采用的MCS的等级;根据所述MCS的等级,在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置。
  15. 根据权利要求14所述的发送设备,其中,所述确定模块根据所述MCS的等级,从系统中预设的MCS等级与相位噪声补偿参考信号的传输密度的对应关系中,确定一个或者多个配置。
  16. 根据权利要求15所述的发送设备,其中,所述传输模块还用于:发送MCS指示信息、相位噪声补偿参考信号的传输密度信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引。
  17. 根据权利要求16所述的发送设备,其中,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
  18. 根据权利要求15所述的发送设备,其中,所述传输模块还用于:发送MCS指示信息以及传输数据给接收设备;其中,所述MCS指示信息携带有MCS索引。
  19. 根据权利要求18所述的发送设备,其中,
    所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
    所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系,
    其中,所述对应关系保存在发送设备和接收设备中。
  20. 根据权利要求11所述的发送设备,其中,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
  21. 一种相位噪声补偿参考信号的传输方法,包括:
    获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
    通过所述一个或者多个配置,接收相位噪声补偿参考信号,
    其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
  22. 根据权利要求21所述的相位噪声补偿参考信号的传输方法,其中,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,接收第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
    在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,接收第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
  23. 根据权利要求21所述的相位噪声补偿参考信号的传输方法,还包括:
    接收发送设备发送的传输数据;
    根据所述相位噪声补偿参考信号对所述传输数据进行OFDM符号内的子载波间的干扰的补偿,和/或根据所述相位噪声补偿参考信号对传输数据进行 OFDM符号的相位差异的补偿。
  24. 根据权利要求23所述的相位噪声补偿参考信号的传输方法,还包括:
    接收发送设备发送的MCS指示信息和相位噪声补偿参考信号的传输密度信息;其中,所述MCS指示信息携带有MCS索引。
  25. 根据权利要求24所述的相位噪声补偿参考信号的传输方法,其中,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
  26. 根据权利要求23所述的相位噪声补偿参考信号的传输方法,还包括:接收发送设备发送的MCS指示信息;其中,所述MCS指示信息携带有MCS索引。
  27. 根据权利要求26所述的相位噪声补偿参考信号的传输方法,其中,所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
    所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系,
    其中,所述对应关系保存在发送设备和接收设备中。
  28. 根据权利要求21所述的相位噪声补偿参考信号的传输方法,其中,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
  29. 一种接收设备,包括:
    获取模块,用于获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
    接收模块,用于通过所述一个或者多个配置,接收相位噪声补偿参考信号,
    其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数。
  30. 根据权利要求29所述的接收设备,其中,所述接收模块具体用于,在一个子帧中的N1个连续的OFDM符号中,每间隔M个OFDM符号的第一OFDM符号上,采用K1个子载波的第一配置,接收第一相位噪声补偿参考信号,其中,N1和M均为大于或者等于1的正整数,且N1≥M;
    在所述子帧的N1个连续的OFDM符号中,除所述第一OFDM符号外的其余的多个第二OFDM符号上,采用所述K2个子载波的第二配置,接收第二相位噪声补偿参考信号;其中K1和K2均为大于或者等于1的正整数,且K1>K2。
  31. 根据权利要求29所述的接收设备,其中,所述接收模块还用于:接收发送设备发送的传输数据,并根据所述相位噪声补偿参考信号对传输数据进行OFDM符号内的子载波间的干扰的补偿和/或根据所述相位噪声补偿参考信号对传输数据进行OFDM符号的相位差异的补偿。
  32. 根据权利要求31所述的接收设备,其中,所述接收模块还用于:接收发送设备发送的MCS指示信息和相位噪声补偿参考信号的传输密度信息;其中,所述MCS指示信息携带有MCS索引。
  33. 根据权利要求32所述的接收设备,其中,所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系。
  34. 根据权利要求31所述的接收设备,其中,所述接收模块还用于:接收发送设备发送的MCS指示信息;其中,所述MCS指示信息携带有MCS索引。
  35. 根据权利要求34所述的接收设备,其中,
    所述MCS索引指示了MCS索引与调制阶数、数据块大小指示信息、以及相位噪声补偿参考信号的传输密度信息之间的对应关系;或者
    所述MCS索引指示了MCS索引与调制阶数以及数据块大小指示信息之间的对应关系,系统中预定义了MCS索引与相位噪声补偿参考信号的传输密度信息之间的对应关系,
    其中,所述对应关系保存在发送设备和接收设备中。
  36. 根据权利要求29所述的接收设备,其中,相位噪声补偿参考信号的传输资源的N个配置之间,具有相同的时域密度及不同的频域密度,或者具 有不同的时域密度及不同的频域密度,或者具有不同的时域密度及相同的频域密度,或者具有相同的时域密度和频域密度。
  37. 一种发送设备,包括:处理器、存储器和收发机,其中:
    所述处理器用于读取存储器中的程序,执行下列过程:
    在相位噪声补偿参考信号的传输资源的N个配置中,确定一个或者多个配置;
    采用所述一个或者多个配置,经由所述收发机传输相位噪声补偿参考信号,
    其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数,
    所述收发机用于接收和发送数据,
    所述存储器能够存储处理器在执行操作时所使用的数据。
  38. 一种接收设备,包括:处理器、存储器和收发机,其中:
    所述处理器用于读取存储器中的程序,执行下列过程:
    获取在相位噪声补偿参考信号的传输资源的N个配置中,确定的一个或者多个配置;
    通过所述一个或者多个配置,经由所述收发机接收相位噪声补偿参考信号,
    其中,N个配置具有不同的时域密度或者不同的频域密度,或者N个配置中的多个配置具有相同的时域密度和频域密度,N为大于或者等于2的整数,
    所述收发机用于接收和发送数据,
    所述存储器能够存储处理器在执行操作时所使用的数据。
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