WO2023001143A1 - 信息传输、信息接收方法、装置、终端及网络侧设备 - Google Patents

信息传输、信息接收方法、装置、终端及网络侧设备 Download PDF

Info

Publication number
WO2023001143A1
WO2023001143A1 PCT/CN2022/106469 CN2022106469W WO2023001143A1 WO 2023001143 A1 WO2023001143 A1 WO 2023001143A1 CN 2022106469 W CN2022106469 W CN 2022106469W WO 2023001143 A1 WO2023001143 A1 WO 2023001143A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
csi
auxiliary
auxiliary information
coding
Prior art date
Application number
PCT/CN2022/106469
Other languages
English (en)
French (fr)
Inventor
许佳龙
陈为
艾渤
杨昂
孙鹏
塔玛拉卡·拉盖施
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2023001143A1 publication Critical patent/WO2023001143A1/zh

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals

Definitions

  • the present application belongs to the technical field of communication, and specifically relates to an information transmission and information receiving method, device, terminal and network side equipment.
  • CSI Channel State Information
  • a coding method based on compressed sensing is usually used to code the CSI to be fed back and send the coded CSI.
  • the accuracy of CSI feedback will be low.
  • Embodiments of the present application provide an information transmission and information receiving method, device, terminal, and network side equipment, which can solve the current problem of low accuracy of CSI feedback.
  • an information transmission method including:
  • the transmitting end acquires first information; wherein, the first information includes channel state information CSI to be sent and coding auxiliary information, and the coding auxiliary information includes at least one of first auxiliary information, second auxiliary information, and third auxiliary information or; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end;
  • the sending end encodes the CSI to be sent according to the coding auxiliary information to obtain second information
  • the sending end sends third information; wherein, the third information is determined based on the second information.
  • a method for receiving information including:
  • the receiving end receives third information and decoding auxiliary information; wherein, the decoding auxiliary information includes at least one of first auxiliary information, second auxiliary information, and third auxiliary information; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end;
  • the receiving end decodes the third information according to the decoding auxiliary information to obtain estimated information of the CSI to be sent at the sending end.
  • an information transmission device including:
  • An acquisition module configured to acquire first information; wherein, the first information includes CSI to be sent and coding auxiliary information, and the coding auxiliary information includes at least one of first auxiliary information, second auxiliary information, and third auxiliary information or; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end;
  • An encoding module configured to encode the CSI to be sent according to the encoding auxiliary information to obtain second information
  • a sending module configured to send third information; wherein, the third information is determined based on the second information.
  • an information receiving device including:
  • a receiving module configured to receive third information and decoding auxiliary information; wherein, the decoding auxiliary information includes at least one of first auxiliary information, second auxiliary information, and third auxiliary information; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end;
  • the decoding module is configured to decode the third information according to the decoding auxiliary information to obtain estimated information of the CSI to be transmitted at the sending end.
  • a terminal includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the processor Implement the steps of the method described in the first aspect, or implement the steps of the method described in the second aspect.
  • a terminal including a processor and a communication interface; wherein, when the terminal is a sending end, the processor is configured to acquire first information, and the first information includes CSI to be sent and coding assistance information, the encoding auxiliary information includes at least one of first auxiliary information, second auxiliary information, and third auxiliary information; the first auxiliary information is channel-related information, and the second auxiliary information is CSI feedback accuracy information , the third auxiliary information is background information of the sending end and/or receiving end; encoding the CSI to be sent according to the encoding auxiliary information to obtain second information; the communication interface is used to send third information, the The third information is determined based on the second information.
  • the communication interface is used to receive third information and decoding auxiliary information, where the decoding auxiliary information includes the first auxiliary information, the second auxiliary information, and the third auxiliary information At least one; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end; the processor is configured to The decoding auxiliary information decodes the third information to obtain estimation information of CSI to be sent at the sending end.
  • a network-side device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and the program or instruction is executed by the When executed, the processor realizes the steps of the method described in the first aspect, or realizes the steps of the method described in the second aspect.
  • a network-side device including a processor and a communication interface; wherein, when the network-side device is a sending end, the processor is used to obtain first information, and the first information includes the information to be sent CSI and coding side information, where the coding side information includes at least one of first side information, second side information, and third side information; the first side information is channel-related information, and the second side information is CSI feedback accuracy information, the third auxiliary information is the background information of the sending end and/or receiving end; encode the CSI to be sent according to the encoding auxiliary information to obtain the second information; the communication interface is used to send the third information, the third information is determined based on the second information.
  • the communication interface is used to receive third information and decoding auxiliary information, where the decoding auxiliary information includes first auxiliary information, second auxiliary information and third auxiliary information At least one of them; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end; the processor uses Decoding the third information according to the decoding auxiliary information to obtain estimated information about the CSI to be sent at the sending end.
  • a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the second aspect.
  • a chip in a tenth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect steps, or realize the steps of the method as described in the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, and the program/program product is executed by at least one processor to implement the first The steps of the method described in the first aspect, or the steps of the method described in the second aspect.
  • a communication device configured to perform the steps of the method described in the first aspect, or to perform the steps of the method described in the second aspect.
  • the sending end may obtain first information, the first information includes the CSI to be sent and coding auxiliary information, and the coding auxiliary information includes at least one of the first auxiliary information, the second auxiliary information, and the third auxiliary information , the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is the background information of the sending end and/or receiving end; the CSI is treated according to the coding auxiliary information, and the sending is treated according to the coding auxiliary information The CSI performs encoding to obtain the second information, and sends the third information, where the third information is determined based on the second information.
  • both the characteristics of the source and the characteristics of the channel can be considered, so as to realize the joint source-channel coding of CSI, so that better coding performance than compressed sensing can be achieved , improve the accuracy of CSI feedback, and improve the communication efficiency of the wireless communication system.
  • FIG. 1 is a block diagram of a wireless communication system proposed in an embodiment of the present application
  • FIG. 2 is a flow chart of an information transmission method provided by an embodiment of the present application.
  • Fig. 3 is a schematic diagram of the structure of the encoding module in the embodiment of the present application.
  • FIG. 4 is a flow chart of an information receiving method provided in an embodiment of the present application.
  • FIG. 5 is a schematic diagram of the structure of the decoding module in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of the architecture of the encoding and decoding module in the embodiment of the present application.
  • FIG. 7 is a schematic diagram of a CSI feedback process in a specific example of the present application.
  • FIG. 8 is a schematic structural diagram of an information transmission device provided in an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an information receiving device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a terminal provided in an embodiment of the present application.
  • Fig. 12 is a schematic structural diagram of a network side device provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side equipment, wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) Area Network, WLAN) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, all The base stations described above are not limited to specific technical terms.
  • the applicable scenarios of the embodiments of the present application include but are not limited to Time Division Duplexing (Time Division Duplexing, TDD) ⁇ Frequency Division Duplexing (Frequency Division Duplexing, FDD) massive multiple input multiple output (massive Multiple Input Multiple Output) , massive MIMO) CSI compression transmission in the system can be applied to information transmission between terminals and base stations, terminals and terminals, and can be used in CSI compression transmission scenarios of various communication devices.
  • Time Division Duplexing Time Division Duplexing, TDD
  • FDD Frequency Division Duplexing
  • massive MIMO massive multiple input multiple output
  • CSI not only refers to channel state information of the physical layer in the traditional sense, but also includes wireless environment information in a broad sense.
  • the CSI in this embodiment of the present application may include at least one of the following: channel estimation information, physical layer related measurement information and/or reporting information, high layer related measurement information and/or reporting information, positioning measurement information and/or Report information, etc.
  • the settings of the sending end and the receiving end include:
  • the sending end is a terminal
  • the receiving end is a network-side device, that is, the terminal feeds back CSI to the network-side device; at this time, the encoding module is located in the terminal, and the decoding module is located in the network-side device.
  • the sending end is a network-side device
  • the receiving end is a terminal, that is, the network-side device feeds back CSI to the terminal; at this time, the encoding module is located in the network-side device, and the decoding module is located in the terminal.
  • the sending end is a terminal
  • the receiving end is a terminal, that is, a device-to-device (D2D) device exchanges CSI; at this time, the encoding module is located at the terminal, and the decoding module is located at the other terminal.
  • D2D device-to-device
  • the sending end is a network-side device
  • the receiving end is a network-side device, that is, CSI is exchanged between the network-side devices; at this time, the encoding module is located in the network-side device, and the decoding module is located in another network-side device.
  • FIG. 2 is a flow chart of an information transmission method provided by an embodiment of the present application.
  • the method is executed by a sending end, which may be a terminal or a network-side device.
  • the method includes the following steps:
  • Step 21 The sending end obtains the first information.
  • the first information includes to-be-sent CSI and coding assistance information.
  • the encoding side information may include at least one of first side information, second side information, and third side information. That is to say, the encoding auxiliary information may only include the first auxiliary information, the second auxiliary information or the third auxiliary information, or may include the first auxiliary information and the second auxiliary information, or may include the first auxiliary information, the second auxiliary information and third auxiliary information, and so on.
  • the first auxiliary information is channel related information
  • the second auxiliary information is CSI feedback accuracy information
  • the third auxiliary information is background information of the sending end and/or receiving end.
  • Step 22 The transmitting end encodes the CSI to be transmitted according to the coding auxiliary information to obtain the second information.
  • different types of CSI can be encoded according to the coding assistance information.
  • the transmitting end when encoding the CSI to be transmitted according to the first auxiliary information, may encode the CSI according to the characteristics of the CSI feedback channel; and/or, when encoding the CSI to be transmitted according to the second auxiliary information, send The terminal can encode the CSI according to the requirement of the feedback CSI according to the accuracy information of the CSI feedback; and/or, when encoding the CSI to be transmitted according to the third auxiliary information, the transmitting terminal can encode the CSI according to the background information of the transmitting terminal and/or the receiving terminal CSI is encoded.
  • variable rate/variable code rate encoding is performed for different feedback channel states, and bit-level/symbol-level variable rate encoding is respectively realized to achieve the required CSI feedback accuracy, thereby improving the wireless communication system. communication efficiency.
  • Step 23 The sending end sends third information.
  • the third information is determined based on the second information. That is to say, after obtaining the second information, the sending end may process the second information, such as modulate the second information, to obtain the third information and send it.
  • the sending end can obtain the first information, the first information includes the CSI to be sent and coding auxiliary information, and the coding auxiliary information includes at least one of the first auxiliary information, the second auxiliary information and the third auxiliary information
  • the first auxiliary information is channel-related information
  • the second auxiliary information is CSI feedback accuracy information
  • the third auxiliary information is the background information of the sending end and/or receiving end
  • CSI is treated according to the coding auxiliary information, and according to the coding auxiliary information Encoding the CSI to be sent to obtain second information, and sending third information, where the third information is determined based on the second information.
  • both the characteristics of the source and the characteristics of the channel can be considered, so as to realize the joint source-channel coding of CSI, so that better coding performance than compressed sensing can be achieved , improve the accuracy of CSI feedback, and improve the communication efficiency of the wireless communication system.
  • the sending end may send coding assistance information, for example, sending coding assistance information to the receiving end.
  • the coding auxiliary information and the third information may satisfy at least one of the following:
  • the sending cycle is the same or different
  • the types of sending cycles are the same or different; for example, the third information is sent periodically, and the coding auxiliary information is also sent periodically; or, the third information is sent periodically, and the coding auxiliary information is sent aperiodically; or, The third information is sent semi-persistently, and the coded auxiliary information is sent aperiodically; or, the third message is sent semi-persistently, and the coded auxiliary information is sent periodically.
  • the second information may satisfy at least one of the following:
  • the second information is bit information; for example, the bit information needs to be modulated before it can be sent, and the adjustment methods can include common binary phase shift keying (Binary Phase Shift Keying, BPSK), quadrature phase shift keying (Quadrature Phase Shift Keying) , QPSK) etc.;
  • BPSK Binary Phase Shift Keying
  • QPSK Quadrature Phase Shift Keying
  • the second information is modulation symbol information; for example, the modulation symbol information is a modulated symbol, which can be sent directly without modulation like BPSK, QPSK, etc.;
  • the second information is multi-carrier symbol information; for example, the multi-carrier symbol information can be directly mapped to Orthogonal Frequency Division Multiplexing (OFDM) subcarriers for transmission;
  • OFDM Orthogonal Frequency Division Multiplexing
  • the second information is frequency-domain symbol information; for example, the frequency-domain symbol information is discrete Fourier transform (DFT) performed in discrete Fourier transform extended OFDM (DFT-Spread OFDM, DFT-s-OFDM) Symbol information before transformation; this scheme can directly optimize the CSI in the spatial frequency domain, thereby reducing error transmission;
  • DFT discrete Fourier transform
  • DFT-Spread OFDM discrete Fourier transform extended OFDM
  • the second information is sequence information for time domain transmission.
  • the third information may satisfy at least one of the following:
  • the third information is modulated symbol information
  • the third information is information on OFDM subcarriers
  • the third information is symbol information after performing DFT
  • the third information is symbol information mapped to the time domain.
  • the second information may satisfy at least one of the following:
  • the second information is bit information, and the number of bits of the second information is the same as the number of coded bits used for modulation.
  • the number of coded bits used for modulation may be understood as the number of coded bits corresponding to obtaining the third information through modulation. For example, if the second information is 10 and the corresponding number of bits is 2, then the number of coded bits used for modulation is 2. In this case, 11, 01, etc. can be used for modulation. In this way, by virtue of the fact that the number of bits of the second information is the same as the number of coded bits used for modulation, operations such as scrambling, reordering, and interleaving can be performed on the coded bit information.
  • the second information is bit information, and the content of the second information is the same as that of the coded bits used for modulation.
  • the content of the coding bits used for modulation may be understood as the content of the corresponding coding bits when the third information is obtained through modulation. For example, if the second information is 10, that is, the content of the second information is 10, then the content of the coded bits used for modulation is 10.
  • the second information is bit information, and the number of bits of the second information after the first operation is the same as the number of coded bits used for modulation.
  • the number of coded bits used for modulation may be understood as the number of coded bits corresponding to obtaining the third information through modulation.
  • the second information is 10 after the first operation, and the corresponding number of bits is 2, so the number of coded bits used for modulation is 2, and 11, 01, etc. can be used for modulation at this time.
  • the second information is bit information, and the content of the second information after the first operation is the same as that of the coded bits used for modulation.
  • the content of the coding bits used for modulation may be understood as the content of the corresponding coding bits when the third information is obtained through modulation.
  • the second information is 10 after the first operation, that is, the content of the second information after the first operation is 10, and the content of the coded bits used for modulation is 10.
  • the second information is modulation symbol information, and the number of symbols of the second information is the same as the number of symbols of the symbol information for mapping to OFDM subcarriers.
  • the number of symbols of the symbol information used for mapping to the OFDM subcarriers may be understood as the number of symbols of the corresponding symbol information when the third information is obtained through mapping to the OFDM subcarriers.
  • the second information is modulation symbol information, and the content of the second information is the same as that of the symbol information for mapping to OFDM subcarriers.
  • the content of the symbol information for mapping to OFDM subcarriers may be understood as the content of corresponding symbol information when the third information is obtained through mapping to OFDM subcarriers.
  • the second information is modulation symbol information, and the number of symbols of the second information after the second operation is the same as the number of symbols of the symbol information used for mapping to OFDM subcarriers.
  • the number of symbols of the symbol information used for mapping to the OFDM subcarriers may be understood as the number of symbols of the corresponding symbol information when the third information is obtained through mapping to the OFDM subcarriers.
  • the second information is modulation symbol information, and the content of the second information after the second operation is the same as the content of the symbol information for mapping to OFDM subcarriers.
  • the content of the symbol information for mapping to OFDM subcarriers may be understood as the content of corresponding symbol information when the third information is obtained through mapping to OFDM subcarriers.
  • the above-mentioned first operation includes at least one of the following: interleaving, padding, punching, rate matching, scrambling, and the like.
  • the above-mentioned second operation includes at least one of the following: resource mapping, layer mapping, precoding, sorting, and the like.
  • the sending end when the sending end encodes the CSI to be sent according to the coding auxiliary information, it can use at least one of the following coding methods:
  • variable-length coding information can be obtained, so that when performing CSI feedback, the CSI feedback overhead can be effectively reduced, and the flexibility of CSI feedback can be increased.
  • At least one of the aforementioned code rate, symbol rate, rate and bit rate may be notified by the sender to the receiver, that is, notified by the encoder to the decoder.
  • at least one of the above code rate, symbol rate, rate and bit rate may be notified by the sender to the receiver alone, or may be notified by the sender to the receiver together with coding assistance information.
  • At least one of the above code rate, symbol rate, rate and bit rate may be: one of multiple preselected values or default values.
  • the receiving end can try to decode multiple pre-selected values or default values, and the successful decoding is the correct value.
  • the number of output symbols of the obtained second information may be the same or different.
  • the number of output bits of the obtained second information may be the same or different.
  • the above-mentioned number of output symbols and/or number of output bits may be notified by the sender to the receiver, that is, notified by the encoder to the decoder.
  • the above-mentioned number of output symbols and/or number of output bits may be notified by the sending end to the receiving end alone, or may be notified by the sending end to the receiving end together with coding auxiliary information.
  • the above-mentioned number of output symbols and/or number of output bits may be: one of multiple preselected values or default values.
  • the receiving end can try to decode multiple pre-selected values or default values, and the successful decoding is the correct value.
  • the aforementioned number of output symbols and/or number of output bits may be determined based on at least one of a predetermined target code rate, target symbol rate, target rate, and target bit rate, and the first information. For example, if the predetermined target code rate or target symbol rate is a, and the information size/bit number/content length of the first information is b, then the corresponding output symbol number/output bit number is a*b.
  • the aforementioned number of output symbols and/or number of output bits is related to coding assistance information. For example, if the Signal to Noise Ratio (SNR) in the coded side information is higher than a certain threshold, the number of output symbols and/or the number of output bits is N1; and if the SNR in the coded side information is lower than a certain threshold, the number of output symbols and/or the number of output bits is N2; optionally, N1>N2.
  • SNR Signal to Noise Ratio
  • N3 if in a non-line of sight (Non Line of Sight, NLOS) environment, the number of output symbols and/or the number of output bits is N3; and if in a line of sight (Line of Sight, LOS) environment, the number of output symbols and /or the number of output bits is N4; optionally, N3>N4.
  • N1, N2, N3, and N4 may be selected based on actual conditions, and are not specifically limited in this embodiment.
  • the embodiment of the present application can design a deep neural network based
  • the coding module is used, and the pre-designed coding module is used to perform joint source-channel coding on different types of CSI, and output different coding features according to different uplink channel states to achieve better coding performance.
  • the above-mentioned process of encoding the CSI to be transmitted according to the coding assistance information may include: first, the transmitting end inputs the first information into the encoding module; then, the transmitting end uses the encoding module to perform feature extraction on the CSI to be transmitted, and simultaneously The information adjusts the extracted feature information to obtain the second information.
  • the feature extraction here can be understood as using the encoding module to extract the abstract features of the CSI to be transmitted, and the abstract features can be decoded to obtain estimated information of the CSI to be transmitted.
  • the transmitting end when it adjusts the extracted feature information according to the encoding auxiliary information, it can according to the characteristics of the CSI feedback channel and the sending end and the /or the background information of the receiving end, and adjust the extracted feature information according to the accuracy information of the CSI feedback to the feedback CSI requirements, such as adjusting the length of the output information of the encoding module, so as to effectively improve the bandwidth utilization.
  • the encoding module in the embodiment of the present application will be described below with reference to FIG. 3 .
  • the encoding module is a module located at the encoder end/sending end.
  • the encoding module includes at least one layer of encoding network. At least one layer of encoding network is used to continuously extract the features of the CSI to be sent. At the same time, network outputs of different lengths can be generated according to the encoding auxiliary information.
  • the last layer of encoding network realizes variable code rate/variable rate encoding output.
  • the input of the coding network includes coding auxiliary information, and the coding auxiliary information input in different coding networks is the same or different.
  • the encoding module may include a first encoding network, a second encoding network, ..., an Nth encoding network, where N is a positive integer.
  • the first encoding network, the second encoding network, ..., the Nth encoding network are used to continuously extract the features of the CSI input to the encoding module, that is, the first encoding network first performs feature extraction on the input CSI, and outputs the first feature information, Then the second encoding network performs feature extraction on the first feature information, outputs the second feature information, ..., and finally the Nth encoding network performs feature extraction on the feature information output by the N-1 encoding network; meanwhile, according to the input encoding
  • the auxiliary information generates network outputs of different lengths, and the Nth encoding network realizes variable bit rate/variable rate encoding output.
  • the input of the coding network includes coding auxiliary information, and the coding auxiliary information input in different coding networks is the same or different.
  • the input of the first encoding network includes the first auxiliary information
  • the input of the second encoding network includes the first auxiliary information and the second auxiliary information
  • the input of the third encoding network includes the third auxiliary information
  • the input of the first encoding network includes first side information and second side information
  • the input to the second encoding network includes the first side information and third side information
  • the input to the third encoding network includes the second side information; and so on. That is to say, the coding auxiliary information input in the coding network can be selected based on actual needs.
  • the structure of the encoding network in the encoding module can be selected based on actual requirements.
  • the encoding network in the encoding module may include but not limited to at least one of the following:
  • an encoder function of an autoencoder may be implemented to perform information compression on the input CSI to be transmitted.
  • the network structure of the encoding module can be designed according to the characteristics of the CSI feedback channel and the background information of the sending end and/or receiving end, and according to the accuracy information of the CSI feedback for CSI feedback, so that the encoding module can automatically Adapting to the first auxiliary information, the second auxiliary information and/or the third auxiliary information, adjusting the length of the output second information, and effectively improving bandwidth utilization.
  • the encoding module can control the size of the output information according to the obtained first information, and perform output with variable bit rate or symbol rate, or output with different numbers of output symbols/number of different output bits.
  • the control method may include various control methods such as mask control and branch control. for example.
  • the encoding module can output variable-length symbol information by using mask control to ensure that the requirements for CSI quality are met during the information transmission process.
  • the CSI to be sent, the first auxiliary information, the second auxiliary information, and the third auxiliary information in the embodiment of the present application are described below respectively.
  • the CSI to be sent in this embodiment of the present application may include at least one of the following:
  • High-level related measurement information and/or reporting information are High-level related measurement information and/or reporting information
  • Positioning measurement information and/or reporting information are Positioning measurement information and/or reporting information.
  • the above channel estimation information may include at least one of the following:
  • Downlink channel estimation information uplink channel estimation information.
  • the above-mentioned measurement information and/or reporting information related to the physical layer may include at least one of the following:
  • CQI Channel Quality Indicator
  • Precoding Matrix Indicator Precoding Matrix Indicator, PMI
  • Channel State Information Reference Signal Resource Indicator CRI
  • Synchronization Signal Block Rank Indicator Synchronization Signal Block Rank Indicator (Synchronization Signal and PBCH block Rank Indicator, SSBRI)
  • Layer Indicator Layer Indicator, LI
  • Rank Indicator Rank indicator, RI
  • Layer 1 Reference Signal Received Power Layer 1 Reference Signal Received Power
  • L1-RSRP Layer 1 Signal and Interference plus noise ratio
  • Layer 1 Reference Signal Receiving Quality Layer 1 Reference Signal Receiving Quality, L1-RSRQ
  • beam quality information beam quality information and other channel characteristic information.
  • CQI, PMI, CRI, SSBRI, LI, RI, L1-RSRP and other channel characteristic information can be selected as CSI in the 5G system.
  • Other channel characteristic information is, for example, the original channel matrix (that is, the channel matrix from each antenna of the transmitting end to each antenna of the receiving end), original channel information, and the like. In this way, joint source-channel coding can be performed on different types of CSI to improve the accuracy of CSI feedback.
  • the above-mentioned high-level related measurement information and/or reporting information includes at least one of the following:
  • PHR Power Headroom Report
  • RRM Radio Resource Management
  • RLM Radio Link Monitoring
  • BFR Beam Failure Recovery
  • beam information of neighboring cells cell quality of neighboring cells, beam quality of this cell, and cell quality of this cell.
  • the adjacent cell beam information may be L3-RSRP, L3-SINR and/or L3-RSRQ, etc.
  • the beam quality of the current cell may be L3-RSRP, L3-SINR and/or L3-RSRQ, etc.
  • positioning measurement information and/or reporting information may include at least one of the following:
  • Physical cell ID global cell ID, transmission reference point (Transmission Reference Point, TRP) ID, uplink relative timing of arrival (Uplink Relative Timing of Arrival, UL-RTOA), base station transceiver time difference measurement (gNB Rx-Tx time difference measurement) , uplink angle of arrival (UL Angle of Arrival), measurement time stamp (Time stamp of the measurement), position estimation time stamp (Time stamp of location estimate), measurement quality, downlink position reference signal (Downlink Positioning Reference Signal, DL- PRS) receiving beam index, Reference Signal Received Power (RSRP), Reference Signal Received Quality (Reference Signal Receiving Quality, RSRQ), etc.
  • TRP Transmission Reference Point
  • UL-RTOA Uplink Relative Timing of Arrival
  • gNB Rx-Tx time difference measurement uplink angle of arrival
  • measurement time stamp Time stamp of the measurement
  • position estimation time stamp Time stamp of location estimate
  • measurement quality downlink position reference signal
  • DL- PRS Downlink Positioning Reference Signal
  • RSRP Reference Signal Received Power
  • the acquisition of CSI can be obtained by calculating the channel estimation algorithm in the related art, and can be obtained by channel estimation of reference signals
  • the reference signals include but not limited to Channel State Information-Reference Signal (Channel State Information-Reference Signal , CSI-RS), synchronization signal block (Synchronization Signal and PBCH block, SSB), sounding reference signal (Sounding Reference Signal, SRS), tracking reference signal (Tracking Reference Signal, TRS), phase tracking reference signal (Phase Tracking Reference Signal , PTRS) etc.
  • the acquisition of the first information includes:
  • the transmitting end obtains the first CSI through a channel estimation algorithm
  • the transmitting end obtains the second CSI by measuring the reference signal
  • the sending end obtains the CSI to be sent in the first information by performing at least one of the following on the first CSI and/or the second CSI: layer 1 filtering, physical layer filtering, layer 3 filtering, high-level filtering, quantization, information compression, and information mapping etc.
  • layer 1 filtering physical layer filtering
  • layer 3 filtering high-level filtering
  • quantization information compression
  • information mapping etc.
  • CSI can be directly used as the input of the encoding module, and can also be used as the input of the encoding module after transformation/information processing, such as linear transformations such as fast Fourier transform (FFT) transform and wavelet transform , or process the CSI through nonlinear transformations such as filters and neural networks.
  • transformation/information processing such as linear transformations such as fast Fourier transform (FFT) transform and wavelet transform
  • nonlinear transformations such as filters and neural networks.
  • the first auxiliary information is channel-related information, such as uplink/downlink channel-related information, and/or CSI feedback channel-related information.
  • the first auxiliary information may include at least one of the following channel:
  • Path loss noise, Reference Signal Received Power (RSRP), Reference Signal Received Quality (Reference Signal Receiving Quality, RSRQ), interference, received signal-to-noise ratio, received signal-to-interference-to-noise ratio, frequency selection characteristics, time-varying , Doppler features, etc.
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • interference received signal-to-noise ratio
  • received signal-to-interference-to-noise ratio frequency selection characteristics, time-varying , Doppler features, etc.
  • the foregoing interference may be intra-cell interference and/or inter-cell interference.
  • the acquisition of the first auxiliary information may be obtained by calculating a reference signal, and the reference signal includes but is not limited to CSI-RS, SSB, SRS, TRS, PTRS and the like.
  • the acquisition of the first auxiliary information can be obtained through detection by a sensor at the receiving end, the sensor includes but is not limited to a Global Positioning System (Global Positioning System, GPS), a temperature and humidity sensor, a gyroscope, an acceleration sensor, Cameras, microphones, and more.
  • a sensor includes but is not limited to a Global Positioning System (Global Positioning System, GPS), a temperature and humidity sensor, a gyroscope, an acceleration sensor, Cameras, microphones, and more.
  • the acquisition of the first auxiliary information may be obtained through service index requirements of the application layer, such as bandwidth, resources, and required received signal quality.
  • the use of the first auxiliary information may be used as an input of the encoding module and/or the decoding module.
  • the second auxiliary information is CSI feedback accuracy information.
  • the second auxiliary information may include at least one of the following:
  • MSE mean square error
  • the normalized mean square error (Normalized Mean Squared Error, NMSE) between the required CSI and the actual CSI;
  • the above-mentioned required CSI can be understood as required CSI, and the required CSI needs to be referred to when performing CSI decoding.
  • the foregoing actual CSI/estimated CSI may be understood as measured CSI, that is, CSI to be transmitted.
  • the required CSI is generally lower in accuracy than the actual CSI/estimated CSI.
  • other evaluation criteria may also be selected in this embodiment, which is not limited.
  • the acquisition of the second auxiliary information may be sent by the network-side device to the terminal, or may be sent by the terminal to the network-side device, depending on the situation.
  • the second auxiliary information may be used as an input of the encoding module and/or the decoding module.
  • the third auxiliary information is the background information of the sending end and/or the receiving end, and this background information may include at least one of the following: location information, scene information, time information, temperature and humidity information, audio information, video information, image information etc.
  • the acquisition of the third auxiliary information can be detected by sensors at the sending end and/or receiving end, and the sensors include but are not limited to GPS, temperature and humidity sensors, gyroscopes, acceleration sensors, cameras, microphones, etc. .
  • the third auxiliary information may be used as an input of the encoding module and/or the decoding module.
  • FIG. 4 is a flow chart of an information receiving method provided by an embodiment of the present application.
  • the method is executed by a receiving end, which may be a terminal or a network-side device.
  • the method includes the following steps:
  • Step 41 The receiving end receives the third information and decoding auxiliary information.
  • the decoding side information includes at least one of first side information, second side information, and third side information. That is to say, the decoding auxiliary information may only include the first auxiliary information, the second auxiliary information or the third auxiliary information, or may include the first auxiliary information and the second auxiliary information, or may include the first auxiliary information, the second auxiliary information information and third auxiliary information, etc.
  • the first auxiliary information is channel-related information
  • the second auxiliary information is CSI feedback accuracy information
  • the third auxiliary information is background information of the sending end and/or receiving end.
  • the third information is information obtained by encoding the CSI to be sent in the above embodiment, and is sent from the sending end to the receiving end.
  • the encoding auxiliary information and decoding auxiliary information in the above embodiments may be the same or different, that is, the auxiliary information required for encoding and decoding in this embodiment may be the same or different.
  • Step 42 The receiving end decodes the third information according to the decoding auxiliary information, and obtains the estimation information of the CSI to be transmitted at the sending end.
  • the estimation information of the CSI to be sent may be understood as recovery information of the CSI to be sent.
  • the receiving end can receive the third information and decoding auxiliary information
  • the decoding auxiliary information includes at least one of the first auxiliary information, the second auxiliary information, and the third auxiliary information; the first auxiliary information
  • the information is channel-related information
  • the second auxiliary information is CSI feedback accuracy information
  • the third auxiliary information is the background information of the sending end and/or receiving end
  • the third information is decoded according to the decoding auxiliary information, and the waiting information for the sending end is obtained.
  • Send estimated information of CSI In this way, recovery of the CSI to be sent can be realized.
  • a decoding module corresponding to the encoding module may be used for decoding.
  • the decoding of the third information according to the decoding auxiliary information may include: first, the receiving end inputs the third information and the decoding auxiliary information to the decoding module; then, the receiving end uses the decoding module to The third information performs feature reconstruction and decompression.
  • the receiving end may feedback channel characteristics based on CSI and background information of the sending end and/or receiving end, and according to the CSI feedback
  • the precision information meets the requirements of the feedback CSI, and performs feature reconstruction and decompression on the obtained third information, so as to obtain the estimated information of the CSI at the sending end.
  • the decoding module in the embodiment of the present application will be described below with reference to FIG. 5 .
  • the decoding module is a module located at the decoder end/receiving end.
  • the decoding module includes at least one layer of decoding network. At least one layer of decoding network is used to continuously reconstruct and decompress the third information. At the same time, network outputs of different lengths can be generated according to the decoding auxiliary information.
  • the last layer of decoding The network implements recovery of the CSI.
  • the input of the decoding network includes decoding auxiliary information, and the decoding auxiliary information input in different decoding networks is the same or different.
  • the decoding module may include a first decoding network, a second decoding network, ..., an Nth decoding network, where N is a positive integer.
  • the first decoding network, the second decoding network, ..., the Nth decoding network are used to continuously perform feature reconstruction and decompression on the input third information, that is, the first decoding network first performs Feature reconstruction and decompression, output the first reconstruction information, then the second decoding network performs feature reconstruction and decompression on the first reconstruction information, output the second reconstruction information, ..., and finally the Nth decoding network
  • the reconstruction information output by the N-1 decoding network performs feature reconstruction and decompression; at the same time, network outputs of different lengths can be generated according to the decoding auxiliary information, and the Nth decoding network realizes the recovery of CSI.
  • the input of the decoding network includes decoding auxiliary information, and the decoding auxiliary information input in different decoding networks is the same or different.
  • the input of the first decoding network includes the first auxiliary information
  • the input of the second decoding network includes the first auxiliary information and the second auxiliary information
  • the input of the third decoding network includes the third auxiliary information
  • the first The input to the decoding network includes the first side information and the second side information
  • the input to the second decoding network includes the first side information and the third side information
  • the input to the third decoding network includes the second side information; and so on. That is to say, the decoding auxiliary information input into the decoding network can be selected based on actual needs.
  • the structure of the decoding network in the decoding module can be selected based on actual requirements.
  • the decoding network in the decoding module may include but not limited to at least one of the following:
  • the input of the decoding module is actually the information after the third information passes through the wireless channel, and/or decoding auxiliary information.
  • a decoder function of an autoencoder may be implemented to restore the feature vector of the information at the sending end.
  • the network structure of the decoding module can be designed according to the characteristics of the CSI feedback channel and the background information of the sending end and/or receiving end, and according to the accuracy information of the CSI feedback for CSI feedback, so that the decoding The module adapts to the first side information, the second side information and/or the third side information, and performs feature reconstruction and decompression on the received variable-length coded information, so as to restore the content of the CSI at the sending end.
  • the output of the decoding module is the estimation information of the CSI sent by the sending end, that is, the recovery information of the CSI.
  • the module architecture of the codec solution in the embodiment of the present application may be shown in FIG. 6 .
  • the CSI obtained by the sending end is input to the encoding module 61 for encoding, and the output encoding information is transmitted to the receiving end, for example, at a variable rate, and input to the decoding module 62 for decoding to obtain estimated CSI information.
  • the auxiliary information input to the encoding module 61 and the decoding module 62 includes first auxiliary information, second auxiliary information and third auxiliary information.
  • the receiving end may also receive indication information from the sending end; the indication information is used to indicate at least one of the following when encoding the CSI to be transmitted: code rate, symbol rate, Rate, bit rate, number of output symbols, number of output bits.
  • the first auxiliary information may include at least one of the following channel information:
  • Path loss noise, RSRP, RSRQ, interference, receiving signal-to-noise ratio, receiving signal-to-interference-noise ratio, frequency selective characteristics, time-varying, Doppler characteristics.
  • the second auxiliary information may include at least one of the following:
  • the third auxiliary information may include at least one of the following at the sending end and/or receiving end:
  • Location information scene information, time information, temperature and humidity information, audio information, video information, image information.
  • the process of the corresponding terminal feeding back CSI to the base station may include:
  • the base station sends pilot information, first auxiliary information, second auxiliary information, and third auxiliary information to the terminal; wherein, the specific content of the first auxiliary information, second auxiliary information, and third auxiliary information can refer to the above-mentioned embodiments mentioned in , and will not be repeated here.
  • S2 The terminal performs channel estimation according to the received pilot information, and obtains CSI to be fed back.
  • the terminal uses the encoding module to perform fixed-rate/variable-rate encoding or fixed-rate/variable-rate encoding on the CSI according to the first auxiliary information, the second auxiliary information, and the third auxiliary information.
  • S4 The terminal sends the encoded bit/symbol information to the base station.
  • the base station uses the decoding module to decode the received bit/symbol information according to the first auxiliary information, the second auxiliary information and the third auxiliary information, to obtain estimated information of CSI.
  • the information transmission method provided in the embodiment of the present application may be executed by an information transmission device, or a control module in the information transmission device for executing the information transmission method.
  • the information transmission device provided in the embodiment of the present application is described by taking the information transmission device executing the information transmission method as an example.
  • FIG. 8 is a schematic structural diagram of an information transmission device provided by an embodiment of the present application, and the device is applied to a sending end.
  • the information transmission device 80 includes:
  • An obtaining module 81 configured to obtain first information; wherein, the first information includes to-be-sent CSI and coding auxiliary information, and the coding auxiliary information includes at least one of the first auxiliary information, the second auxiliary information, and the third auxiliary information
  • the first auxiliary information is channel-related information
  • the second auxiliary information is CSI feedback accuracy information
  • the third auxiliary information is background information of the sending end and/or receiving end;
  • An encoding module 82 configured to encode the CSI to be sent according to the encoding auxiliary information to obtain second information
  • the sending module 83 is configured to send third information; wherein, the third information is determined based on the second information.
  • the second information satisfies at least one of the following:
  • the second information is bit information
  • the second information is modulation symbol information
  • the second information is multi-carrier symbol information
  • the second information is frequency domain symbol information
  • the second information is sequence information used for time domain transmission.
  • the third information satisfies at least one of the following:
  • the third information is modulated symbol information
  • the third information is information on OFDM subcarriers
  • the third information is symbol information after DFT
  • the third information is symbol information mapped to the time domain.
  • the second information satisfies at least one of the following:
  • the second information is bit information, and the number of bits of the second information is the same as the number of coded bits used for modulation;
  • the second information is bit information, and the content of the second information is the same as that of the coded bits used for modulation;
  • the second information is bit information, and the number of bits of the second information after the first operation is the same as the number of coded bits used for modulation;
  • the second information is bit information, and the content of the second information after the first operation is the same as that of the coded bits used for modulation;
  • the second information is modulation symbol information, and the number of symbols of the second information is the same as the number of symbols used to map to the symbol information of OFDM subcarriers;
  • the second information is modulation symbol information, and the content of the second information is the same as the content of the symbol information for mapping to OFDM subcarriers;
  • the second information is modulation symbol information, and the number of symbols of the second information after the second operation is the same as the number of symbols used to map to the symbol information of OFDM subcarriers;
  • the second information is modulation symbol information, and the content of the second information after the second operation is the same as the content of the symbol information used for mapping to OFDM subcarriers.
  • the first operation includes at least one of the following: interleaving, stuffing, puncturing, rate matching, and scrambling; and/or, the second operation includes at least one of the following: resource mapping, layer mapping, pre- Coding, sorting.
  • the encoding module 82 is specifically configured to perform at least one of the following:
  • At least one of the code rate, symbol rate, rate and bit rate is notified by the sending end to the receiving end;
  • At least one of the code rate, symbol rate, rate and bit rate is: one of multiple preselected values or default values.
  • the number of output symbols of the obtained second information is the same or different;
  • the number of output bits of the obtained second information is the same or different.
  • the number of output symbols and/or the number of output bits is notified by the sending end to the receiving end;
  • the number of output symbols and/or the number of output bits is: one of a plurality of preselected values or default values;
  • the number of output symbols and/or the number of output bits is determined based on at least one of a predetermined target code rate, target symbol rate, target rate, and target bit rate, and the first information ;
  • the number of output symbols and/or the number of output bits is related to the coding assistance information.
  • the encoding module 82 is specifically configured to:
  • the encoding module 82 includes at least one layer of encoding network, the at least one layer of encoding network is used to continuously perform feature extraction on the to-be-sent CSI, the input of the encoding network includes the encoding auxiliary information, and The coding assistance information input in different coding networks is the same or different.
  • the CSI to be sent includes at least one of the following:
  • High-level related measurement information and/or reporting information are High-level related measurement information and/or reporting information
  • Positioning measurement information and/or reporting information are Positioning measurement information and/or reporting information.
  • the channel estimation information includes at least one of the following:
  • Downlink channel estimation information uplink channel estimation information
  • the physical layer-related measurement information and/or reporting information includes at least one of the following:
  • the high-level related measurement information and/or reporting information includes at least one of the following:
  • PHR RRM measurement result reporting, RLM measurement result reporting, BFR event reporting, neighboring cell beam information, neighboring cell quality, local beam quality, and local cell quality;
  • the positioning measurement information and/or reporting information includes at least one of the following:
  • the acquisition module 81 includes:
  • the first acquiring unit is configured to acquire the first CSI through a channel estimation algorithm
  • a second acquiring unit configured to acquire a second CSI by measuring the reference signal
  • a third obtaining unit configured to obtain the CSI to be sent by performing at least one of the following on the first CSI and/or the second CSI:
  • Layer 1 filtering physical layer filtering, layer 3 filtering, higher layer filtering, quantization, information compression, and information mapping.
  • the first auxiliary information includes at least one of the following channel information:
  • Path loss noise, RSRP, RSRQ, interference, receiving signal-to-noise ratio, receiving signal-to-interference-noise ratio, frequency selective characteristics, time-varying, Doppler characteristics;
  • the second auxiliary information includes at least one of the following:
  • the third auxiliary information includes at least one of the following at the sending end and/or receiving end:
  • Location information scene information, time information, temperature and humidity information, audio information, video information, image information.
  • the sending module 83 is further configured to: send the coding assistance information
  • the third information and the coding assistance information satisfy at least one of the following:
  • the sending cycle is the same or different
  • the types of sending cycles are the same or different.
  • the information transmission device 80 in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal, or a component, an integrated circuit, or a chip in a network side device. or chips.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the information transmission device 80 provided in the embodiment of the present application can implement various processes implemented in the method embodiment shown in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the information receiving method provided in the embodiment of the present application may be executed by an information receiving device, or a control module in the information receiving device for executing the information receiving method.
  • the information receiving device executed by the information receiving device is taken as an example to illustrate the information receiving device provided in the embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an information receiving device provided by an embodiment of the present application, and the device is applied to a receiving end.
  • the information receiving device 90 includes:
  • a receiving module 91 configured to receive third information and decoding auxiliary information; wherein, the decoding auxiliary information includes at least one of first auxiliary information, second auxiliary information, and third auxiliary information; the first auxiliary information The information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end;
  • the decoding module 92 is configured to decode the third information according to the decoding auxiliary information to obtain estimated information of CSI to be transmitted at the sending end.
  • the decoding module 92 is specifically configured to:
  • the decoding module includes at least one layer of decoding network, and the at least one layer of decoding network is used to continuously perform feature reconstruction and decompression on the third information, and the input of the decoding network includes the The above decoding auxiliary information, and the decoding auxiliary information input in different decoding networks are the same or different.
  • the receiving module 91 is further configured to: receive indication information from the sending end;
  • the indication information is used to indicate at least one of the following when encoding the to-be-transmitted CSI: code rate, symbol rate, rate, bit rate, number of output symbols, and number of output bits.
  • the first auxiliary information includes at least one of the following channel information:
  • Path loss noise, RSRP, RSRQ, interference, receiving signal-to-noise ratio, receiving signal-to-interference-noise ratio, frequency selective characteristics, time-varying, Doppler characteristics;
  • the second auxiliary information includes at least one of the following:
  • the third auxiliary information includes at least one of the following at the sending end and/or receiving end:
  • Location information scene information, time information, temperature and humidity information, audio information, video information, image information.
  • the information receiving device 90 in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal, or a component, an integrated circuit, or a chip in a network side device. or chips.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the information receiving device 90 provided by the embodiment of the present application can realize each process realized by the method embodiment shown in FIG. 4 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application further provides a communication device 100, including a processor 101, a memory 102, and programs or instructions stored in the memory 102 and operable on the processor 101,
  • a communication device 100 including a processor 101, a memory 102, and programs or instructions stored in the memory 102 and operable on the processor 101
  • the communication device 100 is the sending end
  • the program or instruction is executed by the processor 101
  • various processes of the above information transmission method embodiments can be realized, and the same technical effect can be achieved.
  • the communication device 100 is the receiving end, when the program or instruction is executed by the processor 101, the various processes of the above information receiving method embodiment can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • An embodiment of the present application also provides a terminal, including a processor and a communication interface; wherein, when the terminal is a sending end, the processor is configured to acquire first information, and the first information includes CSI to be sent and coding assistance information, the encoding auxiliary information includes at least one of first auxiliary information, second auxiliary information, and third auxiliary information; the first auxiliary information is channel-related information, and the second auxiliary information is CSI feedback accuracy information , the third auxiliary information is background information of the sending end and/or receiving end; encoding the CSI to be sent according to the encoding auxiliary information to obtain second information; the communication interface is used to send third information, the The third information is determined based on the second information.
  • the communication interface is used to receive third information and decoding auxiliary information, where the decoding auxiliary information includes the first auxiliary information, the second auxiliary information, and the third auxiliary information At least one; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end; the processor is configured to The decoding auxiliary information decodes the third information to obtain estimation information of CSI to be sent at the sending end.
  • This embodiment of the terminal can realize each process of the above embodiment of the information transmission method, or realize each process of the above embodiment of the information receiving method, and can achieve the same technical effect.
  • FIG. 11 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1100 includes but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, and a processor 1110, etc. at least some of the components.
  • the terminal 1100 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1110 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 11 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1104 may include a camera component 11041, a graphics processing unit (Graphics Processing Unit, GPU) 11042 and a microphone 11043, and the graphics processing unit 11042 is used in video capture mode or image capture mode by Image data of still pictures or videos obtained by an image capture device (such as a camera) is processed.
  • the display unit 1106 may include a display panel 11061, and the display panel 11061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1107 includes a touch panel 11071 and other input devices 11072 .
  • Touch panel 11071 also called touch screen.
  • the touch panel 11071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 11072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1101 receives the downlink data from the network side device, and processes it to the processor 1110; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 1109 can be used to store software programs or instructions as well as various data.
  • the memory 1109 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1109 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 1110 may include one or more processing units; optionally, the processor 1110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 1110 .
  • the processor 1110 when the terminal 1100 is the sending end, the processor 1110 is configured to: obtain first information, the first information includes the CSI to be sent and coding auxiliary information, and the coding auxiliary information includes the first auxiliary information, the second auxiliary information information and at least one of third auxiliary information; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is the sending end and/or receiving background information of the terminal; encode the CSI to be sent according to the coding auxiliary information to obtain second information;
  • the radio frequency unit 1101 is configured to send third information, where the third information is determined based on the second information.
  • processor 1110 is also configured to perform at least one of the following:
  • the processor 1110 is further configured to: input the first information into an encoding module, use the encoding module to perform feature extraction on the CSI to be sent, and adjust the extracted feature information according to the encoding auxiliary information , to obtain the second information.
  • the terminal 1100 provided in the embodiment of the present application can implement various processes implemented in the method embodiment shown in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the radio frequency unit 1101 is configured to receive the third information and decoding auxiliary information;
  • the decoding auxiliary information includes at least one of the first auxiliary information, the second auxiliary information and the third auxiliary information
  • the first auxiliary information is channel-related information
  • the second auxiliary information is CSI feedback accuracy information
  • the third auxiliary information is background information of the sending end and/or receiving end;
  • the processor 1110 is configured to decode the third information according to the decoding auxiliary information, so as to obtain estimated information of CSI to be transmitted at the sending end.
  • the processor 1110 is further configured to: input the third information and decoding auxiliary information into a decoding module; use the decoding module to characterize the third information according to the decoding auxiliary information Refactor and unpack.
  • the terminal 1100 provided by the embodiment of the present application can implement various processes implemented by the method embodiment shown in FIG. 4 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a network-side device, including a processor and a communication interface; wherein, when the network-side device is a sending end, the processor is used to acquire first information, and the first information includes CSI and coding side information, where the coding side information includes at least one of first side information, second side information, and third side information; the first side information is channel-related information, and the second side information is CSI feedback accuracy information, the third auxiliary information is the background information of the sending end and/or receiving end; encode the CSI to be sent according to the encoding auxiliary information to obtain the second information; the communication interface is used to send the third information, the third information is determined based on the second information.
  • the communication interface is used to receive third information and decoding auxiliary information, where the decoding auxiliary information includes first auxiliary information, second auxiliary information and third auxiliary information At least one of them; the first auxiliary information is channel-related information, the second auxiliary information is CSI feedback accuracy information, and the third auxiliary information is background information of the sending end and/or receiving end; the processor uses Decoding the third information according to the decoding auxiliary information to obtain estimated information about the CSI to be sent at the sending end.
  • the embodiment of the network side device can realize each process of the above information transmission method embodiment, or realize each process of the above information receiving method embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 120 includes: an antenna 121 , a radio frequency device 122 , and a baseband device 123 .
  • the antenna 121 is connected to the radio frequency device 122 .
  • the radio frequency device 122 receives information through the antenna 121, and sends the received information to the baseband device 123 for processing.
  • the baseband device 123 processes the information to be sent and sends it to the radio frequency device 122
  • the radio frequency device 122 processes the received information and sends it out through the antenna 121 .
  • the foregoing frequency band processing device may be located in the baseband device 123 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 123 , and the baseband device 123 includes a processor 124 and a memory 125 .
  • the baseband device 123 can include at least one baseband board, for example, a plurality of chips are arranged on the baseband board, as shown in FIG. The operation of the network side device shown in the above method embodiments.
  • the baseband device 123 may also include a network interface 126 for exchanging information with the radio frequency device 122, such as a common public radio interface (Common Public Radio Interface, CPRI).
  • a network interface 126 for exchanging information with the radio frequency device 122, such as a common public radio interface (Common Public Radio Interface, CPRI).
  • CPRI Common Public Radio Interface
  • the network side device 120 in this embodiment of the present application further includes: instructions or programs stored in the memory 125 and executable on the processor 124 .
  • the processor 124 can call the instructions or programs in the memory 125 to execute the method performed by each module shown in FIG. 8 and achieve the same technical effect; or, in the network side device 120
  • the processor 124 calls the instructions or programs in the memory 125 to execute the method performed by each module shown in FIG. 9 and achieve the same technical effect. To avoid repetition, it is not repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium may be nonvolatile or volatile, the readable storage medium stores programs or instructions, and the programs or instructions are stored in When executed by the processor, the various processes of the above information transmission method embodiments, or the various processes of the above information receiving method embodiments can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application also provides a computer program product, the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the various processes of the above information transmission method embodiments , or implement the various processes of the above information receiving method embodiment, and can achieve the same technical effect, in order to avoid repetition, no more details are given here.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above information transmission method embodiment
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the above information transmission method embodiment
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请公开了一种信息传输、信息接收方法、装置、终端及网络侧设备，属于通信技术领域。本申请实施例的信息传输方法包括：发送端获取第一信息；所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；发送第三信息，所述第三信息是基于所述第二信息确定。

Description

信息传输、信息接收方法、装置、终端及网络侧设备
相关申请的交叉引用
本申请主张在2021年07月20日在中国提交的中国专利申请No.202110819579.4的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种信息传输、信息接收方法、装置、终端及网络侧设备。
背景技术
在移动通信系统中，信道状态信息(Channel State Information，CSI)反馈的准确性会直接影响到移动通信系统的系统性能。目前，针对CSI反馈，通常采用基于压缩感知的编码方法对待反馈的CSI进行编码，并发送编码后的CSI。但由于压缩感知的编码性能有限，将会造成CSI反馈的准确性较低。
发明内容
本申请实施例提供一种信息传输、信息接收方法、装置、终端及网络侧设备，能够解决目前的CSI反馈的准确性较低的问题。
第一方面，提供了一种信息传输方法，包括：
发送端获取第一信息；其中，所述第一信息包括待发送信道状态信息CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；
所述发送端根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；
所述发送端发送第三信息；其中，所述第三信息是基于所述第二信息确定。
第二方面，提供了一种信息接收方法，包括：
接收端接收第三信息和译码辅助信息；其中，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
所述接收端根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。
第三方面，提供了一种信息传输装置，包括：
获取模块，用于获取第一信息；其中，所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
编码模块，用于根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；
发送模块，用于发送第三信息；其中，所述第三信息是基于所述第二信息确定。
第四方面，提供了一种信息接收装置，包括：
接收模块，用于接收第三信息和译码辅助信息；其中，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
译码模块，用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。
第五方面，提供了一种终端，该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第六方面，提供了一种终端，包括处理器及通信接口；其中，在所述终 端为发送端时，所述处理器用于获取第一信息，所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；所述通信接口用于发送第三信息，所述第三信息是基于所述第二信息确定。或者，在所述终端为接收端时，所述通信接口用于接收第三信息和译码辅助信息，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；所述处理器用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。
第七方面，提供了一种网络侧设备，该网络侧设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第八方面，提供了一种网络侧设备，包括处理器及通信接口；其中，在所述网络侧设备为发送端时，所述处理器用于获取第一信息，所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；所述通信接口用于发送第三信息，所述第三信息是基于所述第二信息确定。或者，在所述网络侧设备为接收端时，所述通信接口用于接收第三信息和译码辅助信息，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；所述处理器用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。
第九方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第十方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第十一方面，提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在非瞬态的存储介质中，所述程序/程序产品被至少一个处理器执行以实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第十二方面，提供一种通信设备，被配置为执行如第一方面所述的方法的步骤，或者执行如第二方面所述的方法的步骤。
在本申请实施例中，发送端可以获取第一信息，第一信息包括待发送CSI和编码辅助信息，编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者，第一辅助信息为信道相关信息，第二辅助信息为CSI反馈精度信息，第三辅助信息为发送端和/或接收端的背景信息；根据编码辅助信息对待发送CSI，并根据编码辅助信息对待发送CSI进行编码，得到第二信息，并发送第三信息，第三信息是基于第二信息确定。由此，在根据编码辅助信息对待发送CSI进行编码时，可以既考虑信源的特性又考虑信道的特性，从而实现对CSI的联合信源信道编码，从而可以达到比压缩感知更好的编码性能，提高CSI反馈的准确性，提升无线通信系统的通信效率。
附图说明
图1是本申请实施例提出的一种无线通信系统的框图；
图2是本申请实施例提供的一种信息传输方法的流程图；
图3是本申请实施例中的编码模块的架构示意图；
图4是本申请实施例提供的一种信息接收方法的流程图；
图5是本申请实施例中的译码模块的架构示意图；
图6是本申请实施例中的编译码模块的架构示意图；
图7是本申请具体实例中的CSI反馈过程的示意图；
图8是本申请实施例提供的一种信息传输装置的结构示意图；
图9是本申请实施例提供的一种信息接收装置的结构示意图；
图10是本申请实施例提供的一种通信设备的结构示意图；
图11是本申请实施例提供的一种终端的结构示意图；
图12是本申请实施例提供的一种网络侧设备的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述 中使用NR术语，但是这些技术也可应用于NR系统应用以外的应用，如第6代(6 th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中，终端11也可以称作终端设备或者用户终端(User Equipment，UE)，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(Ultra-Mobile Personal Computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备(Vehicle User Equipment，VUE)、行人终端(Pedestrian User Equipment，PUE)等终端侧设备，可穿戴式设备包括：智能手表、手环、耳机、眼镜等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(Evolved Node B，eNB)、家用B节点、家用演进型B节点、无线局域网(Wireless Local Area Network，WLAN)接入点、无线保真(Wireless Fidelity，WiFi)节点、发送接收点(Transmitting Receiving Point，TRP)或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇。
可选地，本申请实施例适用的场景包括但不限于时分双工(Time Division Duplexing，TDD)\频分双工(Frequency Division Duplexing，FDD)的大规模多进多出(massive Multiple Input Multiple Output，massive MIMO)系统中CSI的压缩传输，可以应用于终端与基站、终端与终端间的信息传输，可以用于各种通信设备的CSI压缩传输场景。
需要说明的是，本申请实施例中，CSI不仅仅指传统意义上物理层的信道状态信息，也包括广义上的无线环境信息。例如，本申请实施例中的CSI可以包括以下至少一项：信道估计信息、物理层相关的测量信息和/或上报信息、高层相关的测量信息和/或上报信息、定位的测量信息和/或上报信息等。
可选地，在本申请实施例中，发送端和接收端的设置情况包括：
1)发送端为终端，接收端为网络侧设备，即终端向网络侧设备反馈CSI；此时，编码模块位于终端，译码模块位于网络侧设备。
2)发送端为网络侧设备，接收端为终端，即网络侧设备向终端反馈CSI；此时，编码模块位于网络侧设备，译码模块位于终端。
3)发送端为终端，接收端为终端，即设备到设备(Device to Device，D2D)设备交换CSI；此时，编码模块位于终端，译码模块位于另一终端。
4)发送端为网络侧设备，接收端为网络侧设备，即网络侧设备之间交换CSI；此时，编码模块位于网络侧设备，译码模块位于另一网络侧设备。
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供的信息传输、信息接收方法、装置、终端及网络侧设备进行详细地说明。
请参见图2，图2是本申请实施例提供的一种信息传输方法的流程图，该方法由发送端执行，该发送端可以为终端或者网络侧设备。如图2所示，该方法包括如下步骤：
步骤21：发送端获取第一信息。
可选地，第一信息包括待发送CSI和编码辅助信息。编码辅助信息可以包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者。也就是说，编码辅助信息可以仅包括第一辅助信息、第二辅助信息或者第三辅助信息，也可以包括第一辅助信息和第二辅助信息，也可以包括第一辅助信息、第二辅助信息和第三辅助信息，等等。其中，第一辅助信息为信道相关信息，第二辅助信息为CSI反馈精度信息，第三辅助信息为发送端和/或接收端的背景信息。
步骤22：发送端根据编码辅助信息对待发送CSI进行编码，得到第二信息。
一些实施例中，可以根据编码辅助信息对不同种类的CSI进行编码。
一些实施例中，当根据第一辅助信息对待发送CSI进行编码时，发送端可以根据CSI反馈信道的特点对CSI进行编码；和/或，当根据第二辅助信息对待发送CSI进行编码时，发送端可以按照CSI反馈的精度信息对反馈CSI的需求，对CSI进行编码；和/或，当根据第三辅助信息对待发送CSI进行编 码时，发送端可以根据发送端和/或接收端的背景信息对CSI进行编码。这样，可以使用深度联合信源信道编码技术对CSI进行编码，感知CSI反馈信道的信道状态，对信源编码和信道编码进行联合优化，从而达到比压缩感知更好的编码性能，还可以感知无线通信系统所需的CSI反馈精度，针对不同的反馈信道状态进行变速率/变码率编码，分别实现比特级/符号级的变速率编码，以达到所需的CSI反馈精度，从而提高无线通信系统的通信效率。
步骤23：发送端发送第三信息。
本实施例中，第三信息是基于第二信息确定。也就是说，发送端在获得第二信息之后，可以对第二信息进行处理，比如对第二信息进行调制，以得到第三信息并发送。
本申请实施例的信息传输方法，发送端可以获取第一信息，第一信息包括待发送CSI和编码辅助信息，编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者，第一辅助信息为信道相关信息，第二辅助信息为CSI反馈精度信息，第三辅助信息为发送端和/或接收端的背景信息；根据编码辅助信息对待发送CSI，并根据编码辅助信息对待发送CSI进行编码，得到第二信息，并发送第三信息，第三信息是基于第二信息确定。由此，在根据编码辅助信息对待发送CSI进行编码时，可以既考虑信源的特性又考虑信道的特性，从而实现对CSI的联合信源信道编码，从而可以达到比压缩感知更好的编码性能，提高CSI反馈的准确性，提升无线通信系统的通信效率。
作为一种可选地实施例，发送端可以发送编码辅助信息，比如向接收端发送编码辅助信息。该编码辅助信息和第三信息可以满足以下至少一项：
一起发送，或者，分开发送；
发送周期相同或者不相同；
发送周期的类型相同或者不相同；例如，第三信息为周期性发送，编码辅助信息也为周期性发送；或者，第三信息为周期性发送，编码辅助信息为非周期性发送；或者，第三信息为半持续发送，编码辅助信息为非周期性发送；或者，第三信息为半持续发送，编码辅助信息为周期性发送。
可选地，第二信息可以满足以下至少一项：
第二信息为比特信息；比如，该比特信息需要经过调制之后才能发送，调整方式可以包括常见的二进制相移键控(Binary Phase Shift Keying，BPSK)、正交相移键控(Quadrature Phase Shift Keying，QPSK)等；
第二信息为调制符号信息；比如，该调制符号信息是调制好的符号，可以直接发送，不需要经过类似BPSK、QPSK等等的调制；
第二信息为多载波符号信息；比如，该多载波符号信息可以直接映射到正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)子载波上进行传输；
第二信息为频域符号信息；比如，该频域符号信息为离散傅里叶变换扩展OFDM(DFT-Spread OFDM，DFT-s-OFDM)中执行离散傅里叶变换(Discrete Fourier Transform，DFT)变换之前的符号信息；本方案可以直接对空间频域的CSI进行优化，从而减少误差传输；
第二信息为用于时间域发送的序列信息。
可选地，第三信息可以满足以下至少一项：
第三信息为调制后的符号信息；
第三信息为OFDM子载波上的信息；
第三信息为执行DFT后的符号信息；
第三信息为映射到时间域的符号信息。
可选地，第二信息可以满足以下至少一项：
1)第二信息为比特信息，第二信息的比特数目与用于调制的编码比特的数目相同。该用于调制的编码比特的数目可理解为经调制获得第三信息时所对应的编码比特的数目。比如，第二信息为10，相应比特数目为2，则用于调制的编码比特的数目为2，此时可选用11、01等进行调制。这样，借助第二信息的比特数目与用于调制的编码比特的数目相同，可以允许编码得到的比特信息进行加扰、重新排序、交织等操作。
2)第二信息为比特信息，第二信息的内容与用于调制的编码比特的内容相同。该用于调制的编码比特的内容可理解为经调制获得第三信息时所对应的编码比特的内容。比如，第二信息为10，即第二信息的内容为10，则用于调制的编码比特的内容为10。
3)第二信息为比特信息，第二信息经过第一操作后的比特数目与用于调制的编码比特的数目相同。该用于调制的编码比特的数目可理解为经调制获得第三信息时所对应的编码比特的数目。比如，第二信息经过第一操作后为10，相应比特数目为2，则用于调制的编码比特的数目为2，此时可选用11、01等进行调制。
4)第二信息为比特信息，第二信息经过第一操作后的内容与用于调制的编码比特的内容相同。该用于调制的编码比特的内容可理解为经调制获得第三信息时所对应的编码比特的内容。比如，第二信息经过第一操作后为10，即第二信息经过第一操作后的内容为10，则用于调制的编码比特的内容为10。
5)第二信息为调制符号信息，第二信息的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同。该用于映射到OFDM子载波的符号信息的符号数量可理解为经映射到OFDM子载波获得第三信息时所对应的符号信息的符号数量。
6)第二信息为调制符号信息，第二信息的内容与用于映射到OFDM子载波的符号信息的内容相同。该用于映射到OFDM子载波的符号信息的内容可理解为经映射到OFDM子载波获得第三信息时所对应的符号信息的内容。
7)第二信息为调制符号信息，第二信息经过第二操作后的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同。该用于映射到OFDM子载波的符号信息的符号数量可理解为经映射到OFDM子载波获得第三信息时所对应的符号信息的符号数量。
8)第二信息为调制符号信息，第二信息经过第二操作后的内容与用于映射到OFDM子载波的符号信息的内容相同。该用于映射到OFDM子载波的符号信息的内容可理解为经映射到OFDM子载波获得第三信息时所对应的符号信息的内容。
一些实施例中，上述的第一操作包括以下至少一项：交织、填充(padding)、打孔(punching)、速率匹配(rate matching)、加扰等。
一些实施例中，上述的第二操作包括以下至少一项：资源映射、层映射、预编码、排序等。
可选地，发送端根据编码辅助信息对待发送CSI进行编码时，可以采用 如下至少一项的编码方式：
1)根据编码辅助信息对待发送CSI进行固定码率或固定符号率的编码；
2)根据编码辅助信息对待发送CSI进行变码率或变符号率的编码；
3)根据编码辅助信息对待发送CSI进行固定速率或固定比特率的编码；
4)根据编码辅助信息对待发送CSI进行变速率或变比特率的编码。
这样，借助固定码率/变码率、固定速率/变速率的编码方式，可以获得可变长短的编码信息，从而在进行CSI反馈时，可以有效降低CSI反馈开销，增加了CSI反馈的灵活性。
一些实施例中，上述的码率、符号率、速率和比特率中的至少一者可以由发送端通知接收端，也即由编码器端告知译码器端。比如，上述的码率、符号率、速率和比特率中的至少一者可以单独由发送端通知接收端，也可以和编码辅助信息一起由发送端通知接收端。
一些实施例中，上述的码率、符号率、速率和比特率中的至少一者可以为：多个预选值或默认值中的一个。此时，接收端可以针对多个预选值或默认值均进行译码尝试，成功译码的即为正确值。
可选地，当对不同的待发送CSI进行编码时，所得到的第二信息的输出符号数目可以相同或者不相同。和/或，当对不同的待发送CSI进行编码时，所得到的第二信息的输出比特数目可以相同或者不相同。
一些实施例中，上述的输出符号数目和/或输出比特数目可以由发送端通知接收端，也即由编码器端告知译码器端。比如，上述的输出符号数目和/或输出比特数目可以单独由发送端通知接收端，也可以和编码辅助信息一起由发送端通知接收端。
一些实施例中，上述的输出符号数目和/或输出比特数目可以为：多个预选值或默认值中的一个。此时，接收端可以针对多个预选值或默认值均进行译码尝试，成功译码的即为正确值。
一些实施例中，上述的输出符号数目和/或输出比特数目可以是：基于预定的目标码率、目标符号率、目标速率和目标比特率中的至少一者，以及第一信息确定的。比如，预定的目标码率或者目标符号率为a，第一信息的信息量大小/比特数目/内容长度为b，则相应的输出符号数目/输出比特数目为a*b。
一些实施例中，上述的输出符号数目和/或输出比特数目与编码辅助信息相关。例如，若编码辅助信息中的信噪比(Signal to Noise Ratio，SNR)高于某个阈值，则输出符号数目和/或输出比特数目为N1；而若编码辅助信息中的SNR低于某个阈值，则输出符号数目和/或输出比特数目为N2；可选地，N1>N2。又例如，若处于非视距(Non Line of Sight，NLOS)环境，则输出符号数目和/或输出比特数目为N3；而若处于视距(Line of Sight，LOS)环境，则输出符号数目和/或输出比特数目为N4；可选地，N3>N4。其中，N1、N2、N3和N4可以基于实际情况选择，本实施例不作具体限定。
由于massive MIMO系统下的CSI可以被看作是高维低秩的图像，针对图像信源的深度联合信源信道编码技术具有较好的编码性能，因此，本申请实施例可以设计基于深度神经网络的编码模块，并利用预先设计的编码模块对不同种类的CSI进行联合信源信道编码，根据不同的上行信道状态输出不同的编码特征，以达到较好的编码性能。
可选地，上述根据编码辅助信息对待发送CSI进行编码的过程可以包括：首先，发送端将第一信息输入至编码模块；然后，发送端利用编码模块对待发送CSI进行特征提取，同时根据编码辅助信息调整提取到的特征信息，得到第二信息。此处的特征提取可理解为利用编码模块对待发送CSI的抽象特征进行提取，抽象特征可以译码得到待发送CSI的估计信息。比如，以编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息为例，发送端在根据编码辅助信息调整提取到的特征信息时，可以根据CSI反馈信道的特点以及发送端和/或接收端的背景信息，并按照CSI反馈的精度信息对反馈CSI的需求，调整提取到的特征信息，比如调整编码模块输出信息的长度，从而有效提升带宽利用率。
下面结合图3对本申请实施例中的编码模块进行说明。
本申请实施例中，编码模块为位于编码器端/发送端的模块。编码模块包括至少一层编码网络，至少一层编码网络用于连续对待发送CSI进行特征提取，同时可以根据编码辅助信息产生不同长度的网络输出，最后一层编码网络实现变码率/变速率编码输出。编码网络的输入包括编码辅助信息，且不同编码网络中输入的编码辅助信息相同或者不相同。
例如，如图3所示，编码模块可以包括第一编码网络、第二编码网络、…、第N编码网络，N为正整数。第一编码网络、第二编码网络、…、第N编码网络用于连续对输入编码模块的CSI进行特征提取，即，第一编码网络先对输入的CSI进行特征提取，输出第一特征信息，然后第二编码网络对第一特征信息进行特征提取，输出第二特征信息，……，最后第N编码网络对第N-1编码网络输出的特征信息进行特征提取；同时，可以根据输入的编码辅助信息产生不同长度的网络输出，第N编码网络实现变码率/变速率编码输出。编码网络的输入包括编码辅助信息，且不同编码网络中输入的编码辅助信息相同或者不相同。比如，第一编码网络的输入包括第一辅助信息，第二编码网络的输入包括第一辅助信息和第二辅助信息，第三编码网络的输入包括第三辅助信息；或者，第一编码网络的输入包括第一辅助信息和第二辅助信息，第二编码网络的输入包括第一辅助信息和第三辅助信息，第三编码网络的输入包括第二辅助信息；等等。也就是说，编码网络中输入的编码辅助信息可以基于实际需求进行选择。
可选地，编码模块中的编码网络的结构可以基于实际需求进行选择。编码模块中的编码网络可以包括但不限于以下至少一项：
i.全连接网络；
ii.卷积网络；
iii.循环网络；
iv.残差网络；
v.长短期记忆网络(Long Short-Term Memory，LSTM)。
可选地，对于编码模块的功能，可以实现自编码器的编码器功能，对输入的待发送CSI进行信息压缩。比如，本实施例中可以根据CSI反馈信道的特点以及发送端和/或接收端的背景信息，并按照CSI反馈的精度信息对反馈CSI的需求，对编码模块的网络结构进行设计，使得编码模块自适应第一辅助信息、第二辅助信息和/或第三辅助信息，调整输出的第二信息的长度，有效提升带宽利用率。
可选地，对于编码模块的输出，编码模块可以根据获取的第一信息，控制输出信息的大小，并进行变比特率或符号率的输出，或者不同输出符号数 目/不同输出比特数目的输出。其中，控制方式可以包括掩码控制、分支控制等各种控制方式。比如。编码模块可以根据CSI反馈信道的特点和需求CSI等级，采用掩码控制的方法输出可变长短的符号信息，以确保在信息传输过程中满足对CSI质量的需求。
下面分别对本申请实施例中的待发送CSI、第一辅助信息、第二辅助信息和第三辅助信息进行说明。
1、待发送CSI
可选地，本申请实施例中的待发送CSI可以包括以下至少一项：
信道估计信息；
物理层相关的测量信息和/或上报信息；
高层相关的测量信息和/或上报信息；
定位的测量信息和/或上报信息。
进一步的，上述的信道估计信息可以包括以下至少一项：
下行信道估计信息、上行信道估计信息。
进一步的，上述的物理层相关的测量信息和/或上报信息可以包括以下至少一项：
信道质量指示(Channel Quality Indicator，CQI)、预编码矩阵指示(Precoding Matrix Indicator，PMI)、信道状态信息参考信号资源指示(Channel State Information Reference Signal Resource Indicator，CRI)、同步信号块秩指示(Synchronization Signal and PBCH block Rank Indicator，SSBRI)、层指示(Layer Indicator，LI)、秩指示(Rank indicator，RI)、层1参考信号接收功率(Layer 1 Reference Signal Received Power，L1-RSRP)、层1信号与干扰加噪声比(Layer 1 Signal to Interference plus Noise Ratio，L1-SINR)、层1参考信号接收质量(Layer 1 Reference Signal Receiving Quality，L1-RSRQ)、波束质量信息以及其它信道特征信息。其中，CQI、PMI、CRI、SSBRI、LI、RI、L1-RSRP以及其它信道特征信息可选为5G系统中的CSI。其它信道特征信息比如为原始信道矩阵(即发送端各个天线到接收端各个天线的信道矩阵)、原始信道信息等。这样，可以对不同种类的CSI进行联合信源信道编码，提高CSI反馈的准确性。
进一步的，上述的高层相关的测量信息和/或上报信息包括以下至少一项：
功率余量上报(Power Headroom Report，PHR)、无线资源管理(Radio Resource Management，RRM)测量结果上报、无线链路监测(Radio Link Monitoring，RLM)测量结果上报、波束失败恢复(Beam Failure Recovery，BFR)事件上报、邻区波束信息、邻区的小区质量，本小区的波束质量、本小区的小区质量。比如，邻区波束信息可以为L3-RSRP、L3-SINR和/或L3-RSRQ等；本小区的波束质量可以为L3-RSRP、L3-SINR和/或L3-RSRQ等。
进一步的，上述的定位的测量信息和/或上报信息可以包括以下至少一项：
物理小区标识ID、全局小区ID、传输参考点(Transmission Reference Point，TRP)ID、上行相对到达时间(Uplink Relative Timing of Arrival，UL-RTOA)、基站收发时差测量(gNB Rx-Tx time difference measurement)、上行到达角(UL Angle of Arrival)、测量时间戳(Time stamp of the measurement)、位置估计时间戳(Time stamp of location estimate)、测量的质量、下行位置参考信号(Downlink Positioning Reference Signal，DL-PRS)的接收波束索引、参考信号接收功率(Reference Signal Received Power，RSRP)、参考信号接收质量(Reference Signal Receiving Quality，RSRQ)等。
可选地，对于CSI的获取，可以通过相关技术中的信道估计算法计算得到，可以通过对参考信号的信道估计得到，该参考信号包括但不限于信道状态信息参考信号(Channel State Information-Reference Signal，CSI-RS)、同步信号块(Synchronization Signal and PBCH block，SSB)、探测参考信号(Sounding Reference Signal，SRS)、追踪参考信号(Tracking Reference Signal，TRS)、相位跟踪参考信号(Phase Tracking Reference Signal，PTRS)等。
作为一种可选地实施例，上述获取第一信息包括：
发送端通过信道估计算法，获取第一CSI；
发送端通过对参考信号的测量，获取第二CSI；
发送端通过对第一CSI和/或第二CSI执行以下至少一项，获取第一信息中的待发送CSI：层1滤波、物理层滤波、层3滤波、高层滤波、量化、信息压缩和信息映射等。这样，借助滤波、量化、压缩和/或映射操作，可以提 升获取的待发送CSI的精度。
可选地，对于CSI的使用，可以直接作为编码模块的输入，也可以经过变换/信息处理后作为编码模块的输入，比如经过快速傅立叶变换(fast Fourier transform，FFT)变换、小波变换等线性变换，或者经过滤波器、神经网络等非线性变换对CSI进行处理。
2、第一辅助信息
可选地，第一辅助信息为信道相关信息，该信道相关信息比如为上行/下行信道的相关信息，和/或CSI反馈信道的相关信息等。第一辅助信息可以包括信道的以下至少一项：
路损、噪声、参考信号接收功率(Reference Signal Received Power，RSRP)、参考信号接收质量(Reference Signal Receiving Quality，RSRQ)、干扰、接收信噪比、接收信干噪比、频率选择特性、时变性、多普勒特征等。
其中，上述干扰可以为小区内干扰和/或小区间干扰等。
一种实施方式中，对于第一辅助信息的获取，可以通过对参考信号的计算得到，该参考信号包括但不限于CSI-RS、SSB、SRS、TRS、PTRS等。
另一种实施方式中，对于第一辅助信息的获取，可以通过接收端的传感器检测得到，该传感器包括但不限于全球定位系统(Global Positioning System，GPS)、温湿度传感器、陀螺仪、加速度传感器、摄像头、麦克风等等。
另一种实施方式中，对于第一辅助信息的获取，可以通过应用层的业务指标要求比如带宽、资源、所需接收信号质量等获取。
另一种实施方式中，对于第一辅助信息的使用，可以作为编码模块和/或译码模块的输入。
3、第二辅助信息
可选地，第二辅助信息为CSI反馈精度信息。第二辅助信息可以包括以下至少一项：
需求CSI的精度等级；
需求CSI与实际CSI的均方误差(Mean Squared Error，MSE)；
需求CSI与估计CSI的MSE；
需求CSI与实际CSI的归一化均方误差(Normalized Mean Squared Error， NMSE)；
需求CSI与估计CSI的NMSE。
其中，上述需求CSI可理解为所需的CSI，在进行CSI译码需参考需求CSI。上述实际CSI/估计CSI可理解为测量得到的CSI，即待发送的CSI。需求CSI在精度上一般会比实际CSI/估计CSI低。除了上述MSE和NMSE，本实施例也可以选用其他评估标准，对此不作限定。
一种实施方式中，对于第二辅助信息的获取，可以由网络侧设备发送给终端，也可以由终端发送给网络侧设备，依情况而定。
另一种实施方式中，对于第二辅助信息的使用，可以作为编码模块和/或译码模块的输入。
4、第三辅助信息
可选地，第三辅助信息为发送端和/或接收端的背景信息，此背景信息可以包括以下至少一项：位置信息、场景信息、时间信息、温湿度信息、音频信息、视频信息、图像信息等等。
一种实施方式中，对于第三辅助信息的获取，可以通过发送端和/或接收端的传感器检测得到，该传感器包括但不限于GPS、温湿度传感器、陀螺仪、加速度传感器、摄像头、麦克风等等。
另一种实施方式中，对于第三辅助信息的使用，可以作为编码模块和/或译码模块的输入。
上述实施例对本申请中的编码过程进行了说明，下面将对本申请中的译码过程进行说明。
请参见图4，图4是本申请实施例提供的一种信息接收方法的流程图，该方法由接收端执行，该接收端可以为终端或者网络侧设备。如图4所示，该方法包括如下步骤：
步骤41：接收端接收第三信息和译码辅助信息。
可选地，译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者。也就是说，译码辅助信息可以仅包括第一辅助信息、第二辅助信息或者第三辅助信息，也可以包括第一辅助信息和第二辅助信息，也可以包括第一辅助信息、第二辅助信息和第三辅助信息，等等。其中，第一 辅助信息为信道相关信息，第二辅助信息为CSI反馈精度信息，第三辅助信息为发送端和/或接收端的背景信息。
可理解的，此第三信息是上述实施例中对待发送CSI进行编码得到的信息，由发送端发送给接收端。上述实施例中的编码辅助信息与译码辅助信息可以相同也可以不相同，也就是说，本实施例中进行编码和译码所需的辅助信息可以相同也可以不相同。
步骤42：接收端根据译码辅助信息对第三信息进行译码，得到对发送端的待发送CSI的估计信息。
其中，此对待发送CSI的估计信息可理解为对待发送CSI的恢复信息。
本申请实施例的信息接收方法，接收端可以接收第三信息和译码辅助信息，译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；第一辅助信息为信道相关信息，第二辅助信息为CSI反馈精度信息，第三辅助信息为发送端和/或接收端的背景信息，并根据译码辅助信息对第三信息进行译码，得到对发送端的待发送CSI的估计信息。由此，可以实现对待发送CSI的恢复。
本申请实施例中，可以采用与编码模块对应的译码模块进行译码。上述根据译码辅助信息对第三信息进行译码可以包括：首先，接收端将第三信息和译码辅助信息输入至译码模块；然后，接收端根据译码辅助信息，利用译码模块对第三信息进行特征重构和解压缩。比如，以译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息为例，接收端可以根据CSI反馈信道的特点以及发送端和/或接收端的背景信息，并按照CSI反馈的精度信息对反馈CSI的需求，对获取的第三信息进行特征重构和解压缩，从而得到发送端的CSI的估计信息。
下面结合图5对本申请实施例中的译码模块进行说明。
本申请实施例中，译码模块为位于译码器端/接收端的模块。译码模块包括至少一层译码网络，至少一层译码网络用于连续对第三信息进行特征重构和解压缩，同时可以根据译码辅助信息产生不同长度的网络输出，最后一层译码网络实现对CSI的恢复。译码网络的输入包括译码辅助信息，且不同译码网络中输入的译码辅助信息相同或者不相同。
例如，如图5所示，译码模块可以包括第一译码网络、第二译码网络、…、第N译码网络，N为正整数。第一译码网络、第二译码网络、…、第N译码网络用于连续对输入的第三信息进行特征重构和解压缩，即，第一译码网络先对输入的第三信息进行特征重构和解压缩，输出第一重构信息，然后第二译码网络对第一重构信息进行特征重构和解压缩，输出第二重构信息，……，最后第N译码网络对第N-1译码网络输出的重构信息进行特征重构和解压缩；同时可以根据译码辅助信息产生不同长度的网络输出，第N译码网络实现对CSI的恢复。译码网络的输入包括译码辅助信息，且不同译码网络中输入的译码辅助信息相同或者不相同。比如，第一译码网络的输入包括第一辅助信息，第二译码网络的输入包括第一辅助信息和第二辅助信息，第三译码网络的输入包括第三辅助信息；或者，第一译码网络的输入包括第一辅助信息和第二辅助信息，第二译码网络的输入包括第一辅助信息和第三辅助信息，第三译码网络的输入包括第二辅助信息；等等。也就是说，译码网络中输入的译码辅助信息可以基于实际需求进行选择。
可选地，译码模块中的译码网络的结构可以基于实际需求进行选择。译码模块中的译码网络可以包括但不限于以下至少一项：
i.全连接网络；
ii.卷积网络；
iii.循环网络；
iv.残差网络；
v.长短期记忆网络(Long Short-Term Memory，LSTM)。
可选地，对于译码模块的输入，实际为第三信息经过无线信道后的信息，和/或译码辅助信息。
可选地，对于译码模块的功能，可以实现自编码器的译码器功能，对发送端信息的特征向量进行恢复。比如，本实施例中可以根据CSI反馈信道的特点以及发送端和/或接收端的背景信息，并按照CSI反馈的精度信息对反馈CSI的需求，对译码模块的网络结构进行设计，使得译码模块自适应第一辅助信息、第二辅助信息和/或第三辅助信息，对接收到的变长度的编码信息进行特征重构和解压缩，从而恢复发送端CSI的内容。
可理解的，对于译码模块的输出，是对发送端发送的CSI的估计信息，即对CSI的恢复信息。
例如，结合图3和图5所示的模块架构，本申请实施例中的编解码方案的模块架构可以如图6所示。其中，发送端获取的CSI输入至编码模块61进行编码，所输出的编码信息传输比如变速率传输到接收端，并输入至译码模块62进行译码，获得CSI的估计信息。编码模块61和译码模块62中输入的辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息。
可选地，在本申请实施例中，接收端还可以从发送端接收指示信息；所述指示信息用于指示在待发送CSI进行编码时所依据的以下至少一项：码率、符号率、速率、比特率、输出符号数目、输出比特数目。
可选地，第一辅助信息可以包括信道的以下至少一项：
路损、噪声、RSRP、RSRQ、干扰、接收信噪比、接收信干噪比、频率选择特性、时变性、多普勒特征。
可选地，第二辅助信息可以包括以下至少一项：
需求CSI的精度等级；
需求CSI与实际CSI的均方误差MSE；
需求CSI与估计CSI的MSE；
需求CSI与实际CSI的归一化均方误差NMSE；
需求CSI与估计CSI的NMSE。
可选地，第三辅助信息可以包括所述发送端和/或接收端的以下至少一项：
位置信息、场景信息、时间信息、温湿度信息、音频信息、视频信息、图像信息。
可理解的，对于第一辅助信息、第二辅助信息和第三辅助信息的具体说明，可以参见上述实施例所述，在此不再赘述。
下面结合图7对本申请具体实例中的CSI反馈过程进行说明。
本申请具体实例中，以发送端为终端，接收端为基站为例，如图7所示，相应的终端向基站反馈CSI的过程可以包括：
S1：基站向终端发送导频信息、第一辅助信息、第二辅助信息和第三辅助信息；其中，该第一辅助信息、第二辅助信息和第三辅助信息的具体内容 可以参见上述实施例中所述，在此不再赘述。
S2：终端根据接收的导频信息进行信道估计，得到待反馈的CSI。
S3：终端使用编码模块，根据第一辅助信息、第二辅助信息和第三辅助信息，对CSI进行固定码率/变码率编码，或者，进行固定速率/变速率编码。
S4：终端将编码后的比特/符号信息发送至基站。
S5：基站端使用译码模块，根据第一辅助信息、第二辅助信息和第三辅助信息，对接收到的比特/符号信息进行译码，得到对CSI的估计信息。
需要说明的是，本申请实施例提供的信息传输方法，执行主体可以为信息传输装置，或者，该信息传输装置中的用于执行信息传输方法的控制模块。本申请实施例中以信息传输装置执行信息传输方法为例，说明本申请实施例提供的信息传输装置。
请参见图8，图8是本申请实施例提供的一种信息传输装置的结构示意图图，该装置应用于发送端。如图8所示，信息传输装置80包括：
获取模块81，用于获取第一信息；其中，所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
编码模块82，用于根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；
发送模块83，用于发送第三信息；其中，所述第三信息是基于所述第二信息确定。
可选地，所述第二信息满足以下至少一项：
所述第二信息为比特信息；
所述第二信息为调制符号信息；
所述第二信息为多载波符号信息；
所述第二信息为频域符号信息；
所述第二信息为用于时间域发送的序列信息。
可选地，所述第三信息满足以下至少一项：
所述第三信息为调制后的符号信息；
所述第三信息为OFDM子载波上的信息；
所述第三信息为DFT后的符号信息；
所述第三信息为映射到时间域的符号信息。
可选地，所述第二信息满足以下至少一项：
所述第二信息为比特信息，所述第二信息的比特数目与用于调制的编码比特的数目相同；
所述第二信息为比特信息，所述第二信息的内容与用于调制的编码比特的内容相同；
所述第二信息为比特信息，所述第二信息经过第一操作后的比特数目与用于调制的编码比特的数目相同；
所述第二信息为比特信息，所述第二信息经过第一操作后的内容与用于调制的编码比特的内容相同；
所述第二信息为调制符号信息，所述第二信息的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同；
所述第二信息为调制符号信息，所述第二信息的内容与用于映射到OFDM子载波的符号信息的内容相同；
所述第二信息为调制符号信息，所述第二信息经过第二操作后的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同；
所述第二信息为调制符号信息，所述第二信息经过第二操作后的内容与用于映射到OFDM子载波的符号信息的内容相同。
可选地，所述第一操作包括以下至少一项：交织、填充、打孔、速率匹配、加扰；和/或，所述第二操作包括以下至少一项：资源映射、层映射、预编码、排序。
可选地，所述编码模块82具体用于执行以下至少一项：
根据所述编码辅助信息对待发送CSI进行固定码率或固定符号率的编码；
根据所述编码辅助信息对待发送CSI进行变码率或变符号率的编码；
根据所述编码辅助信息对待发送CSI进行固定速率或固定比特率的编码；
根据所述编码辅助信息对待发送CSI进行变速率或变比特率的编码。
可选地，所述码率、符号率、速率和比特率中的至少一者由所述发送端通知所述接收端；
和/或，所述码率、符号率、速率和比特率中的至少一者为：多个预选值或默认值中的一个。
可选地，当对不同的待发送CSI进行编码时，所得到的第二信息的输出符号数目相同或者不相同；
和/或，当对不同的待发送CSI进行编码时，所得到的第二信息的输出比特数目相同或者不相同。
可选地，所述输出符号数目和/或所述输出比特数目由所述发送端通知所述接收端；
和/或，所述输出符号数目和/或所述输出比特数目为：多个预选值或默认值中的一个；
和/或，所述输出符号数目和/或所述输出比特数目是：基于预定的目标码率、目标符号率、目标速率和目标比特率中的至少一者，以及所述第一信息确定的；
和/或，所述输出符号数目和/或所述输出比特数目与所述编码辅助信息相关。
可选地，所述编码模块82具体用于：
获取输入的第一信息，并对所述待发送CSI进行特征提取，同时根据所述编码辅助信息调整提取到的特征信息，得到所述第二信息。
可选地，所述编码模块82包括至少一层编码网络，所述至少一层编码网络用于连续对所述待发送CSI进行特征提取，所述编码网络的输入包括所述编码辅助信息，且不同编码网络中输入的编码辅助信息相同或者不相同。
可选地，所述待发送CSI包括以下至少一项：
信道估计信息；
物理层相关的测量信息和/或上报信息；
高层相关的测量信息和/或上报信息；
定位的测量信息和/或上报信息。
可选地，所述信道估计信息包括以下至少一项：
下行信道估计信息、上行信道估计信息；
和/或，所述物理层相关的测量信息和/或上报信息包括以下至少一项：
CQI、PMI、CRI、SSBRI、LI、RI、L1-RSRP、L1-SINR、L1-RSRQ、波束质量信息；
和/或，所述高层相关的测量信息和/或上报信息包括以下至少一项：
PHR、RRM测量结果上报、RLM测量结果上报、BFR事件上报、邻区波束信息、邻区的小区质量，本小区的波束质量、本小区的小区质量；
和/或，所述定位的测量信息和/或上报信息包括以下至少一项：
物理小区ID、全局小区ID、收发节点TRP ID、UL-RTOA、基站收发时差测量、上行到达角、测量时间戳、位置估计时间戳、测量的质量、DL-PRS的接收波束索引、RSRP、RSRQ。
可选地，所述获取模块81包括：
第一获取单元，用于通过信道估计算法，获取第一CSI；
第二获取单元，用于通过对参考信号的测量，获取第二CSI；
第三获取单元，用于通过对所述第一CSI和/或所述第二CSI执行以下至少一项，获取所述待发送CSI：
层1滤波、物理层滤波、层3滤波、高层滤波、量化、信息压缩和信息映射。
可选地，所述第一辅助信息包括信道的以下至少一项：
路损、噪声、RSRP、RSRQ、干扰、接收信噪比、接收信干噪比、频率选择特性、时变性、多普勒特征；
和/或，所述第二辅助信息包括以下至少一项：
需求CSI的精度等级；
需求CSI与实际CSI的均方误差MSE；
需求CSI与估计CSI的MSE；
需求CSI与实际CSI的归一化均方误差NMSE；
需求CSI与估计CSI的NMSE；
和/或，所述第三辅助信息包括所述发送端和/或接收端的以下至少一项：
位置信息、场景信息、时间信息、温湿度信息、音频信息、视频信息、 图像信息。
可选地，所述发送模块83还用于：发送所述编码辅助信息；
其中，所述第三信息和所述编码辅助信息满足以下至少一项：
一起发送，或者，分开发送；
发送周期相同或者不相同；
发送周期的类型相同或者不相同。
本申请实施例中的信息传输装置80可以是装置，具有操作系统的装置或电子设备，也可以是终端中的部件、集成电路、或芯片，也可以是网络侧设备中的部件、集成电路、或芯片。该装置或电子设备可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端11的类型，非移动终端可以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例提供的信息传输装置80能够实现图2所示的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
需要说明的是，本申请实施例提供的信息接收方法，执行主体可以为信息接收装置，或者，该信息接收装置中的用于执行信息接收方法的控制模块。本申请实施例中以信息接收装置执行信息接收方法为例，说明本申请实施例提供的信息接收装置。
请参见图9，图9是本申请实施例提供的一种信息接收装置的结构示意图，该装置应用于接收端。如图9所示，信息接收装置90包括：
接收模块91，用于接收第三信息和译码辅助信息；其中，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
译码模块92，用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。
可选地，所述译码模块92具体用于：
获取输入的第三信息和译码辅助信息，并根据所述译码辅助信息，对所 述第三信息进行特征重构和解压缩。
可选地，所述译码模块包括至少一层译码网络，所述至少一层译码网络用于连续对所述第三信息进行特征重构和解压缩，所述译码网络的输入包括所述译码辅助信息，且不同译码网络中输入的译码辅助信息相同或者不相同。
可选地，所述接收模块91还用于：从所述发送端接收指示信息；
其中，所述指示信息用于指示在所述待发送CSI进行编码时所依据的以下至少一项：码率、符号率、速率、比特率、输出符号数目、输出比特数目。
可选地，所述第一辅助信息包括信道的以下至少一项：
路损、噪声、RSRP、RSRQ、干扰、接收信噪比、接收信干噪比、频率选择特性、时变性、多普勒特征；
和/或，所述第二辅助信息包括以下至少一项：
需求CSI的精度等级；
需求CSI与实际CSI的均方误差MSE；
需求CSI与估计CSI的MSE；
需求CSI与实际CSI的归一化均方误差NMSE；
需求CSI与估计CSI的NMSE；
和/或，所述第三辅助信息包括所述发送端和/或接收端的以下至少一项：
位置信息、场景信息、时间信息、温湿度信息、音频信息、视频信息、图像信息。
本申请实施例中的信息接收装置90可以是装置，具有操作系统的装置或电子设备，也可以是终端中的部件、集成电路、或芯片，也可以是网络侧设备中的部件、集成电路、或芯片。该装置或电子设备可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端11的类型，非移动终端可以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例提供的信息接收装置90能够实现图4所示的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
可选地，如图10所示，本申请实施例还提供一种通信设备100，包括处 理器101，存储器102，存储在存储器102上并可在所述处理器101上运行的程序或指令，例如，该通信设备100为发送端时，该程序或指令被处理器101执行时可以实现上述信息传输方法实施例的各个过程，且能达到相同的技术效果。或者，该通信设备100为接收端时，该程序或指令被处理器101执行时可以实现上述信息接收方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供一种终端，包括处理器和通信接口；其中，在所述终端为发送端时，所述处理器用于获取第一信息，所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；所述通信接口用于发送第三信息，所述第三信息是基于所述第二信息确定。或者，在所述终端为接收端时，所述通信接口用于接收第三信息和译码辅助信息，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；所述处理器用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。该终端实施例可以实现上述信息传输方法实施例的各个过程，或者实现上述信息接收方法实施例的各个过程，且能达到相同的技术效果。
具体地，图11为实现本申请实施例的一种终端的硬件结构示意图。
该终端1100包括但不限于：射频单元1101、网络模块1102、音频输出单元1103、输入单元1104、传感器1105、显示单元1106、用户输入单元1107、接口单元1108、存储器1109、以及处理器1110等中的至少部分部件。
本领域技术人员可以理解，终端1100还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理系统与处理器1110逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图11中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件， 或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元1104可以包括摄像组件11041、图形处理器(Graphics Processing Unit，GPU)11042和麦克风11043，图形处理器11042对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元1106可包括显示面板11061，可以采用液晶显示器、有机发光二极管等形式来配置显示面板11061。用户输入单元1107包括触控面板11071以及其他输入设备11072。触控面板11071，也称为触摸屏。触控面板11071可包括触摸检测装置和触摸控制器两个部分。其他输入设备11072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元1101将来自网络侧设备的下行数据接收后，给处理器1110处理；另外，将上行的数据发送给网络侧设备。通常，射频单元1101包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器1109可用于存储软件程序或指令以及各种数据。存储器1109可主要包括存储程序或指令区和存储数据区，其中，存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器1109可以包括高速随机存取存储器，还可以包括非易失性存储器，其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器1110可包括一个或多个处理单元；可选地，处理器1110可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序或指令等，调制解调处理器主要处理无线通信，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器1110中。
其中，在终端1100为发送端时，处理器1110，用于：获取第一信息，所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅 助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；
射频单元1101，用于发送第三信息，所述第三信息是基于所述第二信息确定。
可选地，处理器1110还用于执行以下至少一项：
根据所述编码辅助信息对待发送CSI进行固定码率或固定符号率的编码；
根据所述编码辅助信息对待发送CSI进行变码率或变符号率的编码；
根据所述编码辅助信息对待发送CSI进行固定速率或固定比特率的编码；
根据所述编码辅助信息对待发送CSI进行变速率或变比特率的编码。
可选地，处理器1110还用于：将所述第一信息输入至编码模块，利用所述编码模块对所述待发送CSI进行特征提取，同时根据所述编码辅助信息调整提取到的特征信息，得到所述第二信息。
本申请实施例提供的终端1100能够实现图2所示的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
或者，在终端1100为接收端时，射频单元1101，用于接收第三信息和译码辅助信息；所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
处理器1110，用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。
可选地，处理器1110还用于：将所述第三信息和译码辅助信息输入至译码模块；根据所述译码辅助信息，利用所述译码模块对所述第三信息进行特征重构和解压缩。
本申请实施例提供的终端1100能够实现图4所示的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供一种网络侧设备，包括处理器和通信接口；其中，在所述网络侧设备为发送端时，所述处理器用于获取第一信息，所述第一信 息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；所述通信接口用于发送第三信息，所述第三信息是基于所述第二信息确定。或者，在所述网络侧设备为接收端时，所述通信接口用于接收第三信息和译码辅助信息，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；所述处理器用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。该网络侧设备实施例可以实现上述信息传输方法实施例的各个过程，或者实现上述信息接收方法实施例的各个过程，且能达到相同的技术效果。
具体地，本申请实施例还提供了一种网络侧设备。如图12所示，该网络侧设备120包括：天线121、射频装置122、基带装置123。天线121与射频装置122连接。在上行方向上，射频装置122通过天线121接收信息，将接收的信息发送给基带装置123进行处理。在下行方向上，基带装置123对要发送的信息进行处理，并发送给射频装置122，射频装置122对收到的信息进行处理后经过天线121发送出去。
上述频带处理装置可以位于基带装置123中，以上实施例中网络侧设备执行的方法可以在基带装置123中实现，该基带装置123包括处理器124和存储器125。
基带装置123例如可以包括至少一个基带板，该基带板上设置有多个芯片，如图12所示，其中一个芯片例如为处理器124，与存储器125连接，以调用存储器125中的程序，执行以上方法实施例中所示的网络侧设备操作。
该基带装置123还可以包括网络接口126，用于与射频装置122交互信息，该接口例如为通用公共无线接口(Common Public Radio Interface，CPRI)。
具体地，本申请实施例的网络侧设备120还包括：存储在存储器125上并可在处理器124上运行的指令或程序。例如，在网络侧设备120为发送端 时，处理器124调用存储器125中的指令或程序可以执行图8中所示各模块执行的方法，并达到相同的技术效果；或者，在网络侧设备120为接收端时，处理器124调用存储器125中的指令或程序可以执行图9中所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
本申请实施例还提供一种可读存储介质，所述可读存储介质可以是非易失的，也可以是易失的，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时可以实现上述信息传输方法实施例的各个过程，或者实现上述信息接收方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例还提供一种计算机程序产品，所述计算机程序产品被存储在非瞬态的存储介质中，所述计算机程序产品被至少一个处理器执行以实现上述信息传输方法实施例的各个过程，或者实现上述信息接收方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现上述信息传输方法实施例的各个过程，或者实现上述信息接收方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还 可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对相关技术做出贡献的部分可以以计算机软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络侧设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (29)

  1. 一种信息传输方法，包括：
    发送端获取第一信息；其中，所述第一信息包括待发送信道状态信息CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为所述发送端和/或接收端的背景信息；
    所述发送端根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；
    所述发送端发送第三信息；其中，所述第三信息是基于所述第二信息确定。
  2. 根据权利要求1所述的方法，其中，所述第二信息满足以下至少一项：
    所述第二信息为比特信息；
    所述第二信息为调制符号信息；
    所述第二信息为多载波符号信息；
    所述第二信息为频域符号信息；
    所述第二信息为用于时间域发送的序列信息；
    和/或，
    所述第三信息满足以下至少一项：
    所述第三信息为调制后的符号信息；
    所述第三信息为正交频分复用OFDM子载波上的信息；
    所述第三信息为执行离散傅里叶变换DFT后的符号信息；
    所述第三信息为映射到时间域的符号信息。
  3. 根据权利要求2所述的方法，其中，所述第二信息满足以下至少一项：
    所述第二信息为比特信息，所述第二信息的比特数目与用于调制的编码比特的数目相同；
    所述第二信息为比特信息，所述第二信息的内容与用于调制的编码比特的内容相同；
    所述第二信息为比特信息，所述第二信息经过第一操作后的比特数目与用于调制的编码比特的数目相同；
    所述第二信息为比特信息，所述第二信息经过第一操作后的内容与用于调制的编码比特的内容相同；
    所述第二信息为调制符号信息，所述第二信息的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同；
    所述第二信息为调制符号信息，所述第二信息的内容与用于映射到OFDM子载波的符号信息的内容相同；
    所述第二信息为调制符号信息，所述第二信息经过第二操作后的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同；
    所述第二信息为调制符号信息，所述第二信息经过第二操作后的内容与用于映射到OFDM子载波的符号信息的内容相同。
  4. 根据权利要求3所述的方法，其中，
    所述第一操作包括以下至少一项：交织、填充、打孔、速率匹配、加扰；
    和/或，
    所述第二操作包括以下至少一项：资源映射、层映射、预编码、排序。
  5. 根据权利要求1所述的方法，其中，所述根据所述编码辅助信息对待发送CSI进行编码，包括以下至少一项：
    所述发送端根据所述编码辅助信息对待发送CSI进行固定码率或固定符号率的编码；
    所述发送端根据所述编码辅助信息对待发送CSI进行变码率或变符号率的编码；
    所述发送端根据所述编码辅助信息对待发送CSI进行固定速率或固定比特率的编码；
    所述发送端根据所述编码辅助信息对待发送CSI进行变速率或变比特率的编码。
  6. 根据权利要求5所述的方法，其中，
    所述码率、符号率、速率和比特率中的至少一者由所述发送端通知所述接收端；
    和/或，
    所述码率、符号率、速率和比特率中的至少一者为：多个预选值或默认值中的一个。
  7. 根据权利要求1所述的方法，其中，当对不同的待发送CSI进行编码时，所得到的第二信息的输出符号数目相同或者不相同；
    和/或，
    当对不同的待发送CSI进行编码时，所得到的第二信息的输出比特数目相同或者不相同。
  8. 根据权利要求7所述的方法，其中，所述输出符号数目和/或所述输出比特数目由所述发送端通知所述接收端；
    和/或，
    所述输出符号数目和/或所述输出比特数目为：多个预选值或默认值中的一个；
    和/或，
    所述输出符号数目和/或所述输出比特数目是：基于预定的目标码率、目标符号率、目标速率和目标比特率中的至少一者，以及所述第一信息确定的；
    和/或，
    所述输出符号数目和/或所述输出比特数目与所述编码辅助信息相关。
  9. 根据权利要求1所述的方法，其中，所述根据所述编码辅助信息对待发送CSI进行编码，得到第二信息，包括：
    所述发送端将所述第一信息输入至编码模块；
    所述发送端利用所述编码模块对所述待发送CSI进行特征提取，同时根据所述编码辅助信息调整提取到的特征信息，得到所述第二信息。
  10. 根据权利要求9所述的方法，其中，所述编码模块包括至少一层编码网络，所述至少一层编码网络用于连续对所述待发送CSI进行特征提取，所述编码网络的输入包括所述编码辅助信息，且不同编码网络中输入的编码辅助信息相同或者不相同。
  11. 根据权利要求1所述的方法，其中，所述待发送CSI包括以下至少一项：
    信道估计信息；
    物理层相关的测量信息和/或上报信息；
    高层相关的测量信息和/或上报信息；
    定位的测量信息和/或上报信息。
  12. 根据权利要求11所述的方法，其中，所述信道估计信息包括以下至少一项：
    下行信道估计信息、上行信道估计信息；
    和/或，
    所述物理层相关的测量信息和/或上报信息包括以下至少一项：
    信道质量指示CQI、预编码矩阵指示PMI、信道状态信息参考信号资源指示CRI、同步信号块秩指示SSBRI、层指示LI、秩指示RI、层1参考信号接收功率L1-RSRP、层1信号与干扰加噪声比L1-SINR、层1参考信号接收质量L1-RSRQ、波束质量信息；
    和/或，
    所述高层相关的测量信息和/或上报信息包括以下至少一项：
    功率余量上报PHR、无线资源管理RRM测量结果上报、无线链路监测RLM测量结果上报、波束失败恢复BFR事件上报、邻区波束信息、邻区的小区质量，本小区的波束质量、本小区的小区质量；
    和/或，
    所述定位的测量信息和/或上报信息包括以下至少一项：
    物理小区标识ID、全局小区ID、收发节点TRP ID、上行相对到达时间UL-RTOA、基站收发时差测量、上行到达角、测量时间戳、位置估计时间戳、测量的质量、下行位置参考信号DL-PRS的接收波束索引、参考信号接收功率RSRP、参考信号接收质量RSRQ。
  13. 根据权利要求1所述的方法，其中，所述获取第一信息，包括：
    所述发送端通过信道估计算法，获取第一CSI；
    所述发送端通过对参考信号的测量，获取第二CSI；
    所述发送端通过对所述第一CSI和/或所述第二CSI执行以下至少一项，获取所述待发送CSI：
    层1滤波、物理层滤波、层3滤波、高层滤波、量化、信息压缩和信息映射。
  14. 根据权利要求1所述的方法，其中，所述第一辅助信息包括信道的以下至少一项：
    路损、噪声、RSRP、RSRQ、干扰、接收信噪比、接收信干噪比、频率选择特性、时变性、多普勒特征；
    和/或，
    所述第二辅助信息包括以下至少一项：
    需求CSI的精度等级；
    需求CSI与实际CSI的均方误差MSE；
    需求CSI与估计CSI的MSE；
    需求CSI与实际CSI的归一化均方误差NMSE；
    需求CSI与估计CSI的NMSE；
    和/或，
    所述第三辅助信息包括所述发送端和/或接收端的以下至少一项：
    位置信息、场景信息、时间信息、温湿度信息、音频信息、视频信息、图像信息。
  15. 根据权利要求1所述的方法，其中，所述方法还包括：
    所述发送端发送所述编码辅助信息；
    其中，所述第三信息和所述编码辅助信息满足以下至少一项：
    一起发送，或者，分开发送；
    发送周期相同或者不相同；
    发送周期的类型相同或者不相同。
  16. 一种信息接收方法，包括：
    接收端接收第三信息和译码辅助信息；其中，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
    所述接收端根据所述译码辅助信息对所述第三信息进行译码，得到对发 送端的待发送CSI的估计信息。
  17. 根据权利要求16所述的方法，其中，所述根据所述译码辅助信息对所述第三信息进行译码，包括：
    所述接收端将所述第三信息和所述译码辅助信息输入至译码模块；
    所述接收端根据所述译码辅助信息，利用所述译码模块对所述第三信息进行特征重构和解压缩。
  18. 根据权利要求17所述的方法，其中，所述译码模块包括至少一层译码网络，所述至少一层译码网络用于连续对所述第三信息进行特征重构和解压缩，所述译码网络的输入包括所述译码辅助信息，且不同译码网络中输入的译码辅助信息相同或者不相同。
  19. 根据权利要求16所述的方法，其中，所述第一辅助信息包括信道的以下至少一项：
    路损、噪声、RSRP、RSRQ、干扰、接收信噪比、接收信干噪比、频率选择特性、时变性、多普勒特征；
    和/或，
    所述第二辅助信息包括以下至少一项：
    需求CSI的精度等级；
    需求CSI与实际CSI的均方误差MSE；
    需求CSI与估计CSI的MSE；
    需求CSI与实际CSI的归一化均方误差NMSE；
    需求CSI与估计CSI的NMSE；
    和/或，
    所述第三辅助信息包括所述发送端和/或接收端的以下至少一项：
    位置信息、场景信息、时间信息、温湿度信息、音频信息、视频信息、图像信息。
  20. 一种信息传输装置，包括：
    获取模块，用于获取第一信息；其中，所述第一信息包括待发送CSI和编码辅助信息，所述编码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助 信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
    编码模块，用于根据所述编码辅助信息对待发送CSI进行编码，得到第二信息；
    发送模块，用于发送第三信息；其中，所述第三信息是基于所述第二信息确定。
  21. 根据权利要求20所述的装置，其中，所述第二信息满足以下至少一项：
    所述第二信息为比特信息，所述第二信息的比特数目与用于调制的编码比特的数目相同；
    所述第二信息为比特信息，所述第二信息的内容与用于调制的编码比特的内容相同；
    所述第二信息为比特信息，所述第二信息经过第一操作后的比特数目与用于调制的编码比特的数目相同；
    所述第二信息为比特信息，所述第二信息经过第一操作后的内容与用于调制的编码比特的内容相同；
    所述第二信息为调制符号信息，所述第二信息的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同；
    所述第二信息为调制符号信息，所述第二信息的内容与用于映射到OFDM子载波的符号信息的内容相同；
    所述第二信息为调制符号信息，所述第二信息经过第二操作后的符号数量与用于映射到OFDM子载波的符号信息的符号数量相同；
    所述第二信息为调制符号信息，所述第二信息经过第二操作后的内容与用于映射到OFDM子载波的符号信息的内容相同。
  22. 根据权利要求20所述的装置，其中，所述编码模块具体用于执行以下至少一项：
    根据所述编码辅助信息对待发送CSI进行固定码率或固定符号率的编码；
    根据所述编码辅助信息对待发送CSI进行变码率或变符号率的编码；
    根据所述编码辅助信息对待发送CSI进行固定速率或固定比特率的编码；
    根据所述编码辅助信息对待发送CSI进行变速率或变比特率的编码。
  23. 一种信息接收装置，包括：
    接收模块，用于接收第三信息和译码辅助信息；其中，所述译码辅助信息包括第一辅助信息、第二辅助信息和第三辅助信息中的至少一者；所述第一辅助信息为信道相关信息，所述第二辅助信息为CSI反馈精度信息，所述第三辅助信息为发送端和/或接收端的背景信息；
    译码模块，用于根据所述译码辅助信息对所述第三信息进行译码，得到对发送端的待发送CSI的估计信息。
  24. 一种终端，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，其中，所述程序或指令被所述处理器执行时实现如权利要求1至15任一项所述的信息传输方法的步骤。
  25. 一种网络侧设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，其中，所述程序或指令被所述处理器执行时实现如权利要求16至19任一项所述的信息接收方法的步骤。
  26. 一种可读存储介质，所述可读存储介质上存储程序或指令，其中，所述程序或指令被处理器执行时实现如权利要求1至15任一项所述的信息传输方法的步骤，或者实现如权利要求16至19任一项所述的信息接收方法的步骤。
  27. 一种芯片，包括处理器和通信接口，其中，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如权利要求1至15任一项所述的信息传输方法的步骤，或者，实现如权利要求16至19任一项所述的信息接收方法的步骤。
  28. 一种计算机程序产品，其中，所述计算机程序产品被存储在非瞬态的可读存储介质中，所述计算机程序产品被至少一个处理器执行以实现如权利要求1至15任一项所述的信息传输方法的步骤，或者，所述计算机程序产品被至少一个处理器执行以实现如权利要求16至19任一项所述的信息接收方法的步骤。
  29. 一种通信设备，被配置为执行如权利要求1至15任一项所述的信息传输方法的步骤，或者，被配置为执行如权利要求16至19任一项所述的信 息接收方法的步骤。
PCT/CN2022/106469 2021-07-20 2022-07-19 信息传输、信息接收方法、装置、终端及网络侧设备 WO2023001143A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110819579.4 2021-07-20
CN202110819579.4A CN115642938A (zh) 2021-07-20 2021-07-20 信息传输、信息接收方法、装置、终端及网络侧设备

Publications (1)

Publication Number Publication Date
WO2023001143A1 true WO2023001143A1 (zh) 2023-01-26

Family

ID=84939332

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/106469 WO2023001143A1 (zh) 2021-07-20 2022-07-19 信息传输、信息接收方法、装置、终端及网络侧设备

Country Status (2)

Country Link
CN (1) CN115642938A (zh)
WO (1) WO2023001143A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024169866A1 (en) * 2023-02-15 2024-08-22 Mediatek Inc. Beam reporting management method and beam reporting management system with low transmission overhead

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101065913A (zh) * 2004-11-17 2007-10-31 皇家飞利浦电子股份有限公司 在信道状态信息辅助的多输入多输出(mimo)系统中的鲁棒无线多媒体传输
CN111436033A (zh) * 2019-01-11 2020-07-21 中国移动通信有限公司研究院 传输的操作方法及终端
WO2021097592A1 (en) * 2019-11-18 2021-05-27 Qualcomm Incorporated Channel state information feedback compression
WO2021102917A1 (en) * 2019-11-29 2021-06-03 Nokia Shanghai Bell Co., Ltd. Feedback of channel state information

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102307077B (zh) * 2011-08-09 2016-01-20 上海通号轨道交通工程技术研究中心有限公司 基于移动速度和位置信息的自适应编码调制方法
CN103378950B (zh) * 2012-04-20 2016-06-29 华为技术有限公司 一种信道状态信息反馈方法及装置
CN107346982B (zh) * 2016-05-06 2020-02-14 北京信威通信技术股份有限公司 一种下行多天线传输方法和装置
CN112671505B (zh) * 2019-10-16 2023-04-11 维沃移动通信有限公司 编码方法、译码方法及设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101065913A (zh) * 2004-11-17 2007-10-31 皇家飞利浦电子股份有限公司 在信道状态信息辅助的多输入多输出(mimo)系统中的鲁棒无线多媒体传输
CN111436033A (zh) * 2019-01-11 2020-07-21 中国移动通信有限公司研究院 传输的操作方法及终端
WO2021097592A1 (en) * 2019-11-18 2021-05-27 Qualcomm Incorporated Channel state information feedback compression
WO2021102917A1 (en) * 2019-11-29 2021-06-03 Nokia Shanghai Bell Co., Ltd. Feedback of channel state information

Also Published As

Publication number Publication date
CN115642938A (zh) 2023-01-24

Similar Documents

Publication Publication Date Title
RU2590910C1 (ru) Способ и устройство для управления отчетом по ri
JP7369291B2 (ja) 符号化方法、復号方法、ユーザ機器及びネットワーク機器
JP2018107832A (ja) 動的非直交多元接続通信のためのユーザ機器および方法
US10826664B2 (en) Reference signal sending method, related device, and communications system
WO2019080107A1 (zh) 传输物理上行控制信道pucch的方法、终端设备和网络设备
CN111614390A (zh) 信道状态信息csi报告的传输方法、终端及网络设备
US20230244911A1 (en) Neural network information transmission method and apparatus, communication device, and storage medium
WO2023001143A1 (zh) 信息传输、信息接收方法、装置、终端及网络侧设备
CN111836309B (zh) 信道状态信息csi报告的传输方法、终端及网络侧设备
WO2022105913A1 (zh) 通信方法、装置及通信设备
CN111630788A (zh) 用于非线性预编码的装置和方法
US20190305902A1 (en) Reference signal transmission method and apparatus
US20240088970A1 (en) Method and apparatus for feeding back channel information of delay-doppler domain, and electronic device
KR20230011374A (ko) 채널 정보의 처리 방법 및 장치
WO2023198058A1 (zh) 信息传输方法、装置、终端及网络侧设备
WO2023280212A9 (zh) 信道状态信息csi上报处理方法、接收方法及相关设备
EP4236428A1 (en) Communication data processing method and apparatus, and communication device
WO2018027804A1 (en) Apparatus and method for unified csi feedback framework for control and data channel
WO2015081108A1 (en) System and method for a scale-invariant symbol demodulator
CN116094650B (zh) 传输方法、装置、设备及存储介质
WO2024164961A1 (zh) 信息处理方法、装置、终端及网络侧设备
WO2024055993A1 (zh) Cqi传输方法、装置、终端及网络侧设备
WO2024149156A1 (zh) 信息传输方法、装置、终端及网络侧设备
WO2024169542A1 (zh) 一种信道状态信息的上报方法和装置
WO2023179570A1 (zh) 信道特征信息传输方法、装置、终端及网络侧设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22845308

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22845308

Country of ref document: EP

Kind code of ref document: A1