WO2024098276A1 - 一种通信方法、通信装置及通信系统 - Google Patents

一种通信方法、通信装置及通信系统 Download PDF

Info

Publication number
WO2024098276A1
WO2024098276A1 PCT/CN2022/130828 CN2022130828W WO2024098276A1 WO 2024098276 A1 WO2024098276 A1 WO 2024098276A1 CN 2022130828 W CN2022130828 W CN 2022130828W WO 2024098276 A1 WO2024098276 A1 WO 2024098276A1
Authority
WO
WIPO (PCT)
Prior art keywords
log
likelihood ratios
additional information
coupling
code
Prior art date
Application number
PCT/CN2022/130828
Other languages
English (en)
French (fr)
Inventor
童佳杰
张华滋
王献斌
王俊
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2022/130828 priority Critical patent/WO2024098276A1/zh
Publication of WO2024098276A1 publication Critical patent/WO2024098276A1/zh

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Definitions

  • the embodiments of the present application relate to the field of wireless communication technology, and in particular, to a communication method, a communication device, and a communication system.
  • Polar code is a channel coding scheme that can be strictly proven to reach the Shannon channel capacity, with the characteristics of good performance and low complexity.
  • the mother code length of Polar code is an integer power of 2, such as the mother code length of 256 bits, 512 bits, etc.
  • the code length required for actual communication is different from the mother code length, it is necessary to match the code length with the mother code length through puncturing, retransmission, etc.
  • Punching and retransmission refer to removing or retransmitting several positions of the coded mother code to adapt it to the code length requirements.
  • the maximum mother code length of the downlink Polar code is 512 bits, and the maximum code length of the codeword sent downlink can reach 1728 bits. Therefore, the code length of the codeword actually sent can be 1728 bits by repeatedly sending the mother code with a length of 512 bits. Among them, each coded bit in the mother code is repeated 3 to 4 times.
  • the embodiments of the present application provide a communication method, a communication device and a communication system for improving channel performance.
  • an embodiment of the present application provides a communication method, which can be performed by a first device.
  • the method includes: respectively encoding m first codewords to obtain m second codewords, wherein the second codewords are obtained based on the repetition of the first codewords, and m is a positive integer; respectively coupling additional information with the m second codewords to obtain m coupling codes; wherein the coupling code includes a first part and a second part, wherein the first part is the same as the first codeword corresponding to the coupling code in the m first codewords, and the second part is obtained by coupling the additional information with the second codeword corresponding to the coupling code in the m second codewords; and sending the m coupling codes.
  • the additional information is coupled with the m second code words to obtain m coupling codes and the m coupling codes are transmitted.
  • the additional information in the m coupling codes is decoupled, the same or similar transmission effect as that of simply transmitting the m second code words can be obtained. Therefore, it is possible to send additional information without changing the decoding rate of the second code words, thereby improving the channel throughput performance.
  • each element value of the second part is obtained by performing an XOR operation on each element value in the additional information and each element value in the second codeword excluding the first codeword.
  • the above solution can couple the additional information into each second codeword to obtain a corresponding coupling code, thereby improving the channel throughput performance.
  • the i+1th first codeword among the m first codewords is Xi and
  • the i+1th coupling code among the m coupling codes is E i and
  • the first part of E i is And the first part is generated by the following method:
  • the second part of E i is And the second part is generated by the following method:
  • mod represents a modulo operation
  • ⁇ represents an exclusive-OR operation
  • ⁇ i represents a coupling sequence number offset value of the additional information.
  • the above scheme can flexibly set the mode of coupling the additional information with the second codeword, and specifically can flexibly select the corresponding relationship between the element value of the additional information and the element value of the second codeword for the XOR operation.
  • the additional information coupled in the m coupling codes is the same.
  • the same additional information is coupled to m second code words to obtain m coupling codes, which can realize enhanced transmission of the additional information and help the receiving end to accurately decode the additional information.
  • the first codeword is a polar code.
  • an embodiment of the present application provides a communication method, which can be performed by a first device.
  • the method includes: receiving m groups of log-likelihood ratios, the m groups of log-likelihood ratios correspond one-to-one to m coupling codes, the m coupling codes correspond one-to-one to m second codewords, the m second codewords are obtained by repeating the encoding of m first codewords, respectively, and m is a positive integer; decoding the m groups of log-likelihood ratios to obtain the decoding results of the additional information and the decoding results of the m first codewords; wherein the coupling code includes a first part and a second part, the first part is the same as the first codeword corresponding to the coupling code in the m first codewords, and the second part is obtained by coupling the additional information with the second codeword corresponding to the coupling code in the m second codewords.
  • the additional information is coupled with the m second code words to obtain m coupling codes and the m coupling codes are transmitted.
  • the additional information in the m coupling codes is decoupled, the same or similar transmission effect as that of simply transmitting the m second code words can be obtained. Therefore, it is possible to send additional information without changing the decoding rate of the second code words, thereby improving the channel throughput performance.
  • decoding the m groups of log-likelihood ratios to obtain a decoding result of the additional information and a decoding result of the m first codewords includes: for a group of log-likelihood ratios among the m groups of log-likelihood ratios, decoupling a second part of the group of log-likelihood ratios according to a first part of the group of log-likelihood ratios to obtain a log-likelihood ratio of the additional information; wherein the number of element values in the first part of the group of log-likelihood ratios is equal to the number of element values in a first part of a coupling code corresponding to the group of log-likelihood ratios among the m coupling codes, and the number of element values in the second part of the group of log-likelihood ratios is equal to the number of element values in a second part of a coupling code corresponding to the group of log-likelihood ratios among the m coupling
  • the above scheme first decodes to obtain a decoding result of the additional information, and then uses the additional information to decouple each group of log-likelihood ratios to obtain a decoding result of the corresponding first codeword, which can achieve fast and accurate decoding.
  • determining the decoding result of the additional information based on the log-likelihood ratios of the additional information respectively corresponding to the m groups of log-likelihood ratios includes: determining the sum of the log-likelihood ratios of the additional information respectively corresponding to the m groups of log-likelihood ratios; and decoding the sum to obtain the decoding result of the additional information.
  • m log-likelihood ratios of the additional information are first decoded, and then the m log-likelihood ratios are summed and decoded to obtain a decoding result of the additional information, which helps to improve the decoding accuracy of the additional information.
  • decoupling the set of log-likelihood ratios according to the decoding result of the additional information to obtain the decoding result of the first codeword corresponding to the set of log-likelihood ratios includes: decoupling the second part of the set of likelihood ratios according to the decoding result of the additional information and the first part of the set of log-likelihood ratios to obtain decoupling information of the set of log-likelihood ratios; decoding the decoupling information of the set of log-likelihood ratios to obtain the decoding result of the first codeword corresponding to the set of log-likelihood ratios.
  • the second part of a set of likelihood ratios is first decoupled using the decoding result of the additional information to obtain a set of decoupled information of the log-likelihood ratios, and then the decoupled information of the log-likelihood ratios is decoded to obtain a set of decoding results of the first codeword corresponding to the log-likelihood ratios, which can improve the decoding accuracy of the first codeword.
  • the set of log-likelihood ratios is Li and
  • the decoupled information of the set of log-likelihood ratios is Qi and
  • the decoding result of the additional information is: and Mi represents the number of element values of Li and the number of element values of Qi , Ni represents the number of element values of the first part of Qi , and N′ represents The number of element values;
  • the first part of Qi is generated by the following method:
  • the second part of Qi is generated by the following method:
  • mod represents a modulo operation
  • ⁇ i represents a coupling sequence number offset value of the additional information
  • the G function represents a feedback decoupling log-likelihood ratio merging operation function
  • the set of log-likelihood ratios is Li and
  • the log-likelihood ratio of the additional information is Zi and N′ represents the number of element values of Zi , and Mi represents the number of element values of any set of log-likelihood ratios;
  • the log-likelihood ratio of the additional information is generated by the following method:
  • mod represents a modulo operation
  • F represents a log-likelihood ratio decoupling operation function
  • ⁇ i represents a coupling sequence number offset value of the additional information
  • ⁇ represents a summation operation
  • the above scheme can realize flexible setting of the coupling mode of the additional information and the second code word, and specifically can flexibly select the corresponding relationship between the element value of the additional information and the element value of the second code word for XOR operation.
  • the sum of the log-likelihood ratios of the additional information corresponding to the m groups of log-likelihood ratios is Z, and Wherein, Zi represents the log-likelihood ratio of the additional information corresponding to the i-th group of log-likelihood ratios.
  • the first codeword is a polar code.
  • an embodiment of the present application provides a communication device, which has the function of implementing any implementation method of the first aspect to the second aspect.
  • the function can be implemented by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • an embodiment of the present application provides a communication device, comprising a processor coupled to a memory, the processor being used to call a program stored in the memory to execute any implementation method in the first to second aspects above.
  • the memory may be located inside the device or outside the device.
  • the processor may be one or more.
  • an embodiment of the present application provides a communication device, comprising a processor and a memory; the memory is used to store computer instructions, and when the device is running, the processor executes the computer instructions stored in the memory so that the device executes any implementation method in the above-mentioned first aspect to the second aspect.
  • an embodiment of the present application provides a communication device, comprising a unit or means for executing each step of any implementation method in the first to second aspects above.
  • an embodiment of the present application provides a communication device, including a processor and an interface circuit, wherein the processor is used to communicate with other devices through the interface circuit and execute any implementation method in the first to second aspects above.
  • the processor includes one or more.
  • an embodiment of the present application further provides a computer-readable storage medium, wherein instructions are stored in the computer-readable storage medium, and when the computer-readable storage medium is run on a communication device, any implementation method in the above-mentioned first to second aspects is executed.
  • an embodiment of the present application further provides a computer program product, which includes a computer program or instructions.
  • a computer program product which includes a computer program or instructions.
  • an embodiment of the present application also provides a chip system, including: a processor, used to execute any implementation method in the above-mentioned first aspect to the second aspect.
  • an embodiment of the present application further provides a communication system, which includes a first device for executing any implementation method of the above-mentioned first aspect, and a second device for executing any implementation method of the above-mentioned first aspect.
  • FIG1 is a schematic diagram of a communication system applicable to an embodiment of the present application.
  • FIG2 is a flow chart of a communication method provided in an embodiment of the present application.
  • FIG3 is a flow chart of a communication method provided in an embodiment of the present application.
  • FIG4 is an example diagram of coupling additional information into a PDCCH provided by an embodiment of the present application.
  • FIG5 is a schematic diagram of a communication device provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of a communication device provided in an embodiment of the present application.
  • FIG1 is a schematic diagram of a communication system applicable to an embodiment of the present application.
  • the communication system includes a first device and a second device.
  • the first device is used as a sending device
  • the second device is used as a receiving device
  • the first device is used as a receiving device.
  • the embodiment of the present application does not limit the specific implementation of the first device and the second device.
  • this application is described by taking the first device as a sending device and the second device as a receiving device as an example.
  • the first device is a terminal device or a chip in the terminal device, and the second device is also a terminal device or a chip in the terminal device.
  • the first device is a terminal device or a chip in the terminal device, and the second device is a network device or a chip in the network device.
  • the first device is a network device or a chip in the network device, and the second device is also a network device or a chip in the network device, and so on.
  • a terminal device is a device with wireless transceiver functions, which may specifically refer to user equipment (UE), access terminal, subscriber unit, user station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless communication device, user agent or user device.
  • the terminal device may be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; it may also be deployed on the water (such as ships, etc.); it may also be deployed in the air (such as airplanes, balloons and satellites, etc.).
  • the terminal device can be a cellular phone, a mobile phone, a tablet computer (pad), a wireless data card, a wireless modem, a satellite terminal, a vehicle-mounted device, a wearable device, a drone, a robot, a smart point of sale (POS) machine, a customer-premises equipment (CPE), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a terminal device in industrial control (industrial control), a terminal device in self driving, a terminal device in remote medical, a terminal device in a smart grid (smart grid), a terminal in transportation safety (transportation safety), a terminal device in a smart city (smart city), and a terminal in a smart home (smart home).
  • POS point of sale
  • CPE customer-premises equipment
  • VR virtual reality
  • AR augmented reality
  • the network device is a device with wireless transceiver functions, which is used to communicate with the terminal device; it can also be a device that can connect the terminal device to the wireless network, such as a radio access network (RAN) device or node.
  • RAN radio access network
  • the network device in the embodiment of this application may include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), relay stations, access points, devices that implement base station functions in communication systems that have evolved after the fifth generation (5th generation, 5G) communication system, access points (AP) in wireless fidelity (WiFi) systems, integrated access and backhaul (IAB) nodes, transmission points (TRP), transmitting points (TP), mobile switching centers, and device-to-device (D2D), vehicle outbound (vehicle outbound)
  • the invention relates to equipment that performs base station functions in vehicle-to-everything (V2X) and machine-to-machine (M2M) communications, and may also include centralized units (CU) and distributed units (DU) in cloud radio access network (C-RAN) systems, and network equipment in non-terrestrial network (NTN) communication systems, that is, they can be deployed on high-altitude platforms or satellites; they may also be various types of equipment that constitute access nodes, such as active antenna
  • FIG2 is a flow chart of a communication method provided in an embodiment of the present application.
  • the method is executed by a first device, and the method describes the encoding process of the first device.
  • the method includes the following steps:
  • Step 201 The first device encodes m first code words respectively to obtain m second code words, where m is a positive integer.
  • the first code word here may be a polar code or other types of codes, which is not limited in this application.
  • the second code word is obtained based on the repetition of the first code word, that is, the first code word is used as a mother code, and the mother code is repeatedly encoded to obtain the second code word.
  • the m first code words are X 0 , X 1 , ..., X m-1 , and the number of elements in X 0 , X 1 , ..., X m-1 is N 0 , N 1 , ..., N m-1 , respectively.
  • the i+1th first code word is Ni represents the number of element values of Xi .
  • the second codeword corresponding to Xi can be obtained.
  • the second codeword corresponding to Xi is
  • the second codeword corresponding to Xi is
  • the second codeword corresponding to Xi is Etc. That is, each element value in Xi is repeated once or multiple times to obtain the corresponding second code word.
  • a corresponding second code word can be obtained, and the lengths of the second code words corresponding to different first code words can be the same or different. Therefore, m first code words correspond to m second code words.
  • Step 202 The first device couples the additional information with the m second code words respectively to obtain m coupling codes.
  • the additional information in the embodiment of the present application refers to the information that the first device needs to send in addition to the information of the m second codewords sent to the second device.
  • the additional information is coupled and sent with the m second codewords to improve the channel throughput performance.
  • the embodiment of the present application does not limit the specific content of the additional information, which can be any type of information.
  • the additional information and the first codeword can be the same type of codeword, such as both are Polar codes, or can also be different types of codewords, which is not limited.
  • the additional information is divided into m sub-information, and then each sub-information is coupled with one of the m second codewords to obtain m coupling codes.
  • each sub-information is coupled with one of the m second codewords to obtain m coupling codes.
  • the first sub-information is coupled with the first second codeword to obtain the first coupling code
  • the second sub-information is coupled with the second second codeword to obtain the second coupling code, and so on, to obtain a total of m coupling codes.
  • the same additional information is coupled to m second additional codes to obtain m coupling codes, that is, the additional information coupled to the m coupling codes is the same.
  • the m coupling codes corresponding to the m second codewords are E 0 , E 1 , ..., Em-1
  • the number of element values in E 0 , E 1 , ..., Em -1 is M 0 , M 1 , ..., M m-1 , respectively.
  • E 0 corresponds to X 0
  • E 1 corresponds to X 1
  • ..., Em-1 corresponds to X m-1 .
  • M 1 >N 1 , ..., M m-1 >N m-1 .
  • the i+1th coupling code is
  • Each coupling code includes two parts, namely, a first part and a second part, wherein the first part is the same as the first code word corresponding to the coupling code among the m first code words, and the second part is obtained by coupling the additional information with the second code word corresponding to the coupling code among the m second code words.
  • each element value of the second part is obtained by performing an XOR operation on each element value in the additional information and each element value in the corresponding second code word except the first code word.
  • the first part of E i is And the first part is generated by the following method:
  • the second part of E i is And the second part is generated by:
  • mod represents a modulo operation
  • ⁇ represents an exclusive-OR operation
  • ⁇ i represents a coupling sequence number offset value of the additional information.
  • ⁇ represents a summation operation
  • Step 203 The first device sends m coupling codes.
  • the first device sends m coupling codes to the second device.
  • the first device may send a coupling code each time a coupling code is generated, without waiting for all m coupling codes to be generated before sending the m coupling codes uniformly.
  • the m coupling codes may also be sent uniformly after all m coupling codes are generated.
  • the specific method for sending the m coupling codes is not limited in the embodiment of the present application.
  • the additional information is coupled with the m second code words to obtain m coupling codes and the m coupling codes are transmitted.
  • the additional information in the m coupling codes is decoupled, the same or similar transmission effect as simply transmitting the m second code words can be obtained. Therefore, it is possible to send additional information without changing the decoding rate of the second code words, thereby improving the channel performance.
  • FIG3 is a flow chart of a communication method provided in an embodiment of the present application.
  • the method is executed by a second device, and the method describes a decoding process of the second device.
  • the method includes the following steps:
  • step 301 the second device receives m groups of log-likelihood ratios (LLR).
  • LLR log-likelihood ratios
  • the second device can receive m groups of log-likelihood ratios, and the m groups of log-likelihood ratios correspond one-to-one to the m coupling codes.
  • the first group of log-likelihood ratios corresponds to the first coupling code
  • the second group of log-likelihood ratios corresponds to the second coupling code, and so on.
  • the number of element values in each group of log-likelihood ratios is the same as the number of element values in the coupling code corresponding to the group of log-likelihood ratios.
  • a set of log-likelihood ratios is also referred to as a set of received soft values.
  • Step 302 The second device decodes the m groups of log-likelihood ratios to obtain decoding results of the additional information and decoding results of the m first code words.
  • a second device decouples a second part of a group of log-likelihood ratios according to a first part of the group of log-likelihood ratios to obtain a log-likelihood ratio of additional information; wherein the number of element values in the first part of a group of log-likelihood ratios is equal to the number of element values in the first part of a coupling code among m coupling codes corresponding to the group of log-likelihood ratios, and the number of element values in the second part of a group of log-likelihood ratios is equal to the number of element values in the second part of a coupling code among m coupling codes corresponding to the group of log-likelihood ratios; then, according to the log-likelihood ratios of the additional information respectively corresponding to the m groups of log-likelihood ratios, a decoding result of
  • the second device determines the decoding result of the additional information according to the log-likelihood ratios of the additional information corresponding to the m groups of log-likelihood ratios, for example: the second device first determines the sum of the log-likelihood ratios of the additional information corresponding to the m groups of log-likelihood ratios, and then decodes the sum to obtain the decoding result of the additional information.
  • This method first decodes to obtain m log-likelihood ratios of the additional information, and then sums and decodes the m log-likelihood ratios to obtain the decoding result of the additional information, which helps to improve the decoding accuracy of the additional information.
  • the second device decouples a group of log-likelihood ratios based on the decoding results of the additional information to obtain a decoding result of a first codeword corresponding to the log-likelihood ratios. For example, the second device decouples the second part of a group of likelihood ratios based on the decoding results of the additional information and the first part of a group of log-likelihood ratios to obtain a group of decoupling information of the log-likelihood ratios; and decodes the decoupling information of a group of log-likelihood ratios to obtain a decoding result of a first codeword corresponding to the log-likelihood ratios.
  • This method first uses the decoding results of the additional information to decouple the second part of a group of likelihood ratios to obtain a group of decoupling information of the log-likelihood ratios, and then decodes the decoupling information of a group of log-likelihood ratios to obtain a group of decoding results of the first codeword corresponding to the log-likelihood ratios, which can improve the decoding accuracy of the first codeword.
  • Mi represents the number of element values of Li .
  • Li corresponds to Xi and Ei .
  • Zi can be generated by the following method:
  • mod represents the modulo operation
  • ⁇ i represents the coupling sequence number offset value of the additional information.
  • the initial values of each element in Z i are all set to 0.
  • sig is a sign operation, if L0 is greater than 0, then sig(L0) is equal to 0, otherwise sig(L0) is equal to 1, if L1 is greater than 0, then sig(L1) is equal to 0, otherwise sig(L1) is equal to 1.
  • the m groups of log-likelihood ratios can be summed to obtain a sum Z. Then the sum Z is decoded to obtain the decoded information of the additional information Y and
  • each group of log-likelihood ratios is Qi and The decoding result of the additional information is Mi represents the number of element values of Qi , Ni represents the number of element values of the first part of Qi , and N′ represents The number of element values.
  • the first part of Qi is And is generated by:
  • the second part of Qi is And is generated by:
  • the decoupling information of each group of log-likelihood ratios can be decoded respectively to obtain the decoding information of each coupling code.
  • the second device may perform the decoupling operation without receiving a set of log-likelihood ratios, and decouple the log-likelihood ratios of the additional information from the set of log-likelihood ratios, rather than waiting until m sets of log-likelihood ratios are received before performing the decoupling operation.
  • the second device may also perform the decoupling operation uniformly after receiving m sets of log-likelihood ratios, and the embodiments of the present application are not limited to this.
  • the additional information is coupled with the m second code words to obtain m coupling codes and the m coupling codes are transmitted.
  • the additional information in the m coupling codes is decoupled, the same or similar transmission effect as that of simply transmitting the m second code words can be obtained. Therefore, it is possible to send additional information without changing the decoding rate of the second code words, thereby improving the channel throughput performance.
  • FIG. 4 is an example diagram of coupling additional information into PDCCH provided by an embodiment of the present application.
  • PDCCH physical downlink control channel
  • the coding information of the m segments of PDCCH is m first code words.
  • the coding information of each segment of PDCCH is repeated once to obtain m second code words.
  • the additional information Y is coupled to the second part of each second code word to obtain m coupling codes.
  • the additional information Y includes one or more of the following information: aggregation level, user ID corresponding to each PDCCH, and information length of each PDCCH.
  • the base station broadcasts and sends the m coupling codes, and multiple UEs can receive the m coupling codes.
  • the additional information Y includes the user IDs corresponding to the PDCCHs, then for a certain UE, after receiving m coupling codes, it first decodes to obtain the additional information A. If it finds that its ID does not appear in the additional information A, it can abandon the subsequent decoding, otherwise it continues to decode the corresponding PDCCH coding information. This method can reduce the number of decoding times, that is, reduce the number of blind detection times.
  • the additional information Y includes the information length of each PDCCH
  • the additional information A is first decoded to obtain the information length of each PDCCH. Subsequently, the PDCCH can be decoded once according to the information length of each PDCCH, without trying to use multiple information lengths for decoding the PDCCH, which can reduce the number of blind detections.
  • the additional information Y includes the aggregation level, for a certain UE, after receiving m coupling codes, the additional information A is first decoded to obtain the aggregation level. Subsequently, the PDCCH can be decoded according to the aggregation level, without trying to use multiple aggregation levels to decode the PDCCH, which can reduce the number of blind detections.
  • the first device or the second device includes a hardware structure and/or software module corresponding to the execution of each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application scenario and design constraints of the technical solution.
  • Figures 5 and 6 are schematic diagrams of possible communication devices provided in embodiments of the present application. These communication devices can be used to implement the functions of the first device or the second device in the above method embodiment, and thus can also achieve the beneficial effects of the above method embodiment.
  • the communication device can be the first device or the second device shown in Figure 1.
  • the communication device 500 shown in Fig. 5 includes a processing unit 510 and a transceiver unit 520.
  • the communication device 500 is used to implement the functions of the first device or the second device in the above method embodiment.
  • the processing unit 510 is used to encode the m first code words respectively to obtain m second code words, where the second code words are obtained based on the repetition of the first code words, and m is a positive integer; the additional information is coupled with the m second code words respectively to obtain m coupling codes; wherein the coupling code includes a first part and a second part, the first part is the same as the first code word corresponding to the coupling code in the m first code words, and the second part is obtained by coupling the additional information with the second code word corresponding to the coupling code in the m second code words; and the transceiver unit 520 is used to send the m coupling codes.
  • each element value of the second part is obtained by performing an XOR operation on each element value in the additional information and each element value in the second codeword excluding the first codeword.
  • the i+1th first codeword among the m first codewords is Xi and
  • the i+1th coupling code among the m coupling codes is E i and
  • the first part of E i is And the first part is generated by the following method:
  • the second part of E i is And the second part is generated by the following method:
  • mod represents a modulo operation
  • ⁇ represents an exclusive-OR operation
  • ⁇ i represents a coupling sequence number offset value of the additional information.
  • ⁇ represents a summation operation
  • the additional information coupled in the m coupling codes is the same.
  • the first codeword is a polar code.
  • the transceiver unit 520 is used to receive m groups of log-likelihood ratios, the m groups of log-likelihood ratios correspond one-to-one to m coupling codes, the m coupling codes correspond one-to-one to m second codewords, the m second codewords are obtained by repeatedly encoding m first codewords, and m is a positive integer; the processing unit 510 is used to decode the m groups of log-likelihood ratios to obtain decoding results of additional information and decoding results of the m first codewords; wherein the coupling code includes a first part and a second part, the first part is the same as a first codeword corresponding to the coupling code in the m first codewords, and the second part is obtained by coupling the additional information with a second codeword corresponding to the coupling code in the m second codewords.
  • the processing unit 510 is specifically configured to, for a group of log-likelihood ratios in the m groups of log-likelihood ratios, decouple the second part of the group of log-likelihood ratios according to the first part of the group of log-likelihood ratios to obtain the log-likelihood ratios of the additional information; wherein the number of element values in the first part of the group of log-likelihood ratios is equal to the number of element values in the first part of the coupling codes corresponding to the group of log-likelihood ratios in the m coupling codes, and the number of element values in the second part of the group of log-likelihood ratios is equal to the number of element values in the second part of the coupling codes corresponding to the group of log-likelihood ratios in the m coupling codes; determine the decoding result of the additional information according to the log-likelihood ratios of the additional information respectively corresponding to the m groups of log-like
  • the processing unit 510 is specifically configured to determine a sum of log-likelihood ratios of the additional information corresponding to the m groups of log-likelihood ratios respectively; and decode the sum to obtain a decoding result of the additional information.
  • the processing unit 510 is specifically used to decouple the second part of the set of likelihood ratios based on the decoding result of the additional information and the first part of the set of log-likelihood ratios to obtain decoupling information of the set of log-likelihood ratios; and decode the decoupling information of the set of log-likelihood ratios to obtain a decoding result of the first codeword corresponding to the set of log-likelihood ratios.
  • the set of log-likelihood ratios is Li and
  • the decoupled information of the set of log-likelihood ratios is Qi and
  • the decoding result of the additional information is: and Mi represents the number of element values of Li and the number of element values of Qi , Ni represents the number of element values of the first part of Qi , and N′ represents The number of element values;
  • the first part of Qi is generated by the following method:
  • the second part of Qi is generated by the following method:
  • mod represents a modulo operation
  • ⁇ i represents a coupling sequence number offset value of the additional information
  • the G function represents a feedback decoupling log-likelihood ratio merging operation function
  • the set of log-likelihood ratios is Li and
  • the log-likelihood ratio of the additional information is Zi and N′ represents the number of element values of Zi , and Mi represents the number of element values of any set of log-likelihood ratios;
  • the log-likelihood ratio of the additional information is generated by the following method:
  • mod represents a modulo operation
  • F represents a log-likelihood ratio decoupling operation function
  • ⁇ i represents a coupling sequence number offset value of the additional information
  • ⁇ represents a summation operation
  • the sum of the log-likelihood ratios of the additional information corresponding to the m groups of log-likelihood ratios is Z, and Wherein, Zi represents the log-likelihood ratio of the additional information corresponding to the i-th group of log-likelihood ratios.
  • the first codeword is a polar code.
  • processing unit 510 and the transceiver unit 520 For a more detailed description of the processing unit 510 and the transceiver unit 520, reference may be made to the relevant description in the above method embodiment, which will not be repeated here.
  • the communication device 600 shown in FIG6 includes a processor 610 and an interface circuit 620.
  • the processor 610 and the interface circuit 620 are coupled to each other. It is understood that the interface circuit 620 can be a transceiver or an input-output interface.
  • the communication device 600 may also include a memory 630 for storing instructions executed by the processor 610 or storing input data required by the processor 610 to execute instructions or storing data generated after the processor 610 executes instructions.
  • the processor 610 is used to implement the function of the above processing unit 510
  • the interface circuit 620 is used to implement the function of the above transceiver unit 520.
  • the processor in the embodiments of the present application may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the method steps in the embodiments of the present application can be implemented by hardware or by a processor executing software instructions.
  • the software instructions can be composed of corresponding software modules, and the software modules can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory, registers, hard disks, mobile hard disks, compact disc read-only memory (compact disc read-only memory, CD-ROM) or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor so that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium can also be a component of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the ASIC can be located in the first device or the second device.
  • the processor and the storage medium can also exist as discrete components in the first device or the second device.
  • all or part of the embodiments may be implemented by software, hardware, firmware or any combination thereof.
  • all or part of the embodiments may be implemented in the form of a computer program product.
  • the computer program product includes one or more computer programs or instructions.
  • a computer program (English: Computer Program) refers to a set of instructions that instruct each step of an electronic computer or other device with message processing capability, usually written in a certain programming language and running on a certain target architecture.
  • the process or function described in the embodiment of the present application is executed in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, a wireless access network device, a terminal device or other programmable device.
  • the computer program or instruction may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer program or instruction may be transmitted from one website, computer, server or data center to another website, computer, server or data center by wire or wireless means.
  • the computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media.
  • the available medium may be a magnetic medium, such as a floppy disk, a hard disk, or a magnetic tape; an optical medium, such as a digital video disk; or a semiconductor medium, such as a solid state drive.
  • the computer-readable storage medium may be a volatile or non-volatile storage medium, or may include both volatile and non-volatile types of storage media.
  • “at least one” means one or more, and “more than one” means two or more.
  • “And/or” describes the association relationship of associated objects, indicating that three relationships may exist.
  • a and/or B can mean: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural.
  • the character “/” generally indicates that the previous and next associated objects are in an “or” relationship; in the formula of this application, the character “/” indicates that the previous and next associated objects are in a "division” relationship.

Landscapes

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

Abstract

本申请实施例提供一种通信方法、通信装置及通信系统。该方法包括：将m个第一码字分别进行编码得到m个第二码字，第二码字是基于第一码字重复得到的，m为正整数；将附加信息与m个第二码字分别进行耦合得到m个耦合码；发送m个耦合码。该方案，将附加信息与m个第二码字进行耦合得到m个耦合码并传输m个耦合码，将m个耦合码中的附加信息解耦以后可以得到与单纯传输m个第二码字相同或相似的传输效果，可以实现在不改变第二码字的译码率的情况下，额外发送更多信息，提升信道吞吐性能。

Description

一种通信方法、通信装置及通信系统 技术领域
本申请实施例涉及无线通信技术领域，尤其涉及一种通信方法、通信装置及通信系统。
背景技术
Polar码是一种能够被严格证明达到香农信道容量的信道编码方案，具有性能好，复杂度低等特点。Polar码的母码长度是2的整数次幂，比如母码长度为256比特，512比特等。
当实际通信所需的码长与母码长度不同时，需要通过打孔、重传等方式实现码长与母码长度的匹配。打孔、重传是指将编码得到的母码通过去掉或者重传若干个位置，使其适应码长的需求。例如，在第五代(5th generation，5G)通信中，下行Polar码的最大母码长度为512比特，而下行发送的码字的码长最大可以达到1728比特，因此可以通过对长度为512比特的母码进行重复发送，使实际发送的码字的码长达到1728比特。其中，该母码中的每个编码比特重复发送了3～4次。
该方案中，由于需要对编码比特进行重复发送，导致信道利用率有所下降。因此，如何保证编码比特重复发送效果的前提下，进一步提升信道吞吐性能，有待解决。
发明内容
本申请实施例提供一种通信方法、通信装置及通信系统，用以提升信道性能。
第一方面，本申请实施例提供一种通信方法，该方法可以由第一装置来执行。该方法包括：将m个第一码字分别进行编码，得到m个第二码字，所述第二码字是基于所述第一码字重复得到的，m为正整数；将附加信息与所述m个第二码字分别进行耦合，得到m个耦合码；其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的；发送所述m个耦合码。
上述方案，将附加信息与m个第二码字进行耦合得到m个耦合码并传输m个耦合码，将m个耦合码中的附加信息解耦以后可以得到与单纯传输m个第二码字相同或相似的传输效果，因此可以实现在不改变第二码字的译码率的情况下，额外发送更多信息，提升了信道吞吐性能。
一种可能的实现方法中，所述第二部分的各个元素值是对所述附加信息中的各个元素值与所述第二码字中除去所述第一码字之外的各个元素值进行异或运算得到的。
上述方案，可以实现将附加信息耦合到各个第二码字中得到相应的耦合码，从而提升信道吞吐性能。
一种可能的实现方法中，所述m个第一码字中的第i+1个第一码字为X i且
Figure PCTCN2022130828-appb-000001
所述m个耦合码中的第i+1个耦合码为E i且
Figure PCTCN2022130828-appb-000002
所述附加信息为Y且Y＝{y 0,y 1,y 2,…,y N′-1}，i＝0，1，2，…，m-1，N i表示X i的元素值的个数，M i表示E i的元素值的个数，N′表示Y的元素值的个数；
所述E i的第一部分为
Figure PCTCN2022130828-appb-000003
且所述第一部分通过以下方法产生：
for(j＝0；j<N i；j＝j+1)
Figure PCTCN2022130828-appb-000004
所述E i的第二部分为
Figure PCTCN2022130828-appb-000005
且所述第二部分通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000006
其中，mod表示取模运算，^表示异或运算，Δ i表示所述附加信息的耦合序号偏移值。
一种可能的实现方法中，
Figure PCTCN2022130828-appb-000007
其中，∑表示求和运算。上述方案，可以实现灵活设置附加信息与第二码字进行耦合的方式，具体的可以灵活选择附加信息的元素值与第二码字的元素值进行异或运算的对应关系。
一种可能的实现方法中，所述m个耦合码中耦合的附加信息相同。
上述方案，将相同的附加信息耦合到m个第二码字中得到m个耦合码，可以实现对附加信息的增强发送，有助于接收端对附加信息的精确译码。
一种可能的实现方法中，所述第一码字是polar码。
第二方面，本申请实施例提供一种通信方法，该方法可以由第一装置来执行。该方法包括：接收m组对数似然比，所述m组对数似然比与m个耦合码一一对应，所述m个耦合码与m个第二码字一一对应，所述m个第二码字是分别对m个第一码字进行重复编码得到的，m为正整数；对所述m组对数似然比进行译码，得到附加信息的译码结果和所述m个第一码字的译码结果；其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的。
上述方案，将附加信息与m个第二码字进行耦合得到m个耦合码并传输m个耦合码，将m个耦合码中的附加信息解耦以后可以得到与单纯传输m个第二码字相同或相似的传输效果，因此可以实现在不改变第二码字的译码率的情况下，额外发送更多信息，提升了信道吞吐性能。
一种可能的实现方法中，所述对所述m组对数似然比进行译码，得到附加信息的译码结果和所述m个第一码字的译码结果，包括：针对所述m组对数似然比中的一组对数似然比，根据所述一组对数似然比的第一部分对所述一组对数似然比的第二部分进行解耦，得到所述附加信息的对数似然比；其中，所述一组对数似然比的第一部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第一部分中的元素值的数量，所述一组对数似然比的第二部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第二部分中的元素值的数量；根据所述m组对数似然比分别对应的所述附加信息的对数似然比，确定所述附加信息的译码结果；根据所述附加信息的译码结果，对所述一组对数似然比进行解耦，得到所述一组对数似然比对应的第一码字的译码结果。
上述方案，先译码得到附加信息的译码结果，然后使用该附加信息解耦各组对数似然 比，得到相应的第一码字的译码结果，可以实现快速和精确译码。
一种可能的实现方法中，所述根据所述m组对数似然比分别对应的所述附加信息的对数似然比，确定所述附加信息的译码结果，包括：确定所述m组对数似然比分别对应的所述附加信息的对数似然比的和值；对所述和值进行译码，得到所述附加信息的译码结果。
上述方案，先译码得到附加信息的m个对数似然比，然后对该m个对数似然比求和后进行译码得到附加信息的译码结果，有助于提升附加信息的译码准确率。
一种可能的实现方法中，所述根据所述附加信息的译码结果，对所述一组对数似然比进行解耦，得到所述一组对数似然比对应的第一码字的译码结果，包括：根据所述附加信息的译码结果和所述一组对数似然比的第一部分，对所述一组似然比的第二部分进行解耦，得到所述一组对数似然比的解耦信息；对所述一组对数似然比的解耦信息进行译码，得到所述一组对数似然比对应的第一码字的译码结果。
上述方案，先利用附加信息的译码结果对一组似然比的第二部分进行解耦可以得到一组对数似然比的解耦信息，然后对一组对数似然比的解耦信息进行译码得到一组对数似然比对应的第一码字的译码结果，可以提升第一码字的译码准确率。
一种可能的实现方法中，所述一组对数似然比为L i且
Figure PCTCN2022130828-appb-000008
所述一组对数似然比的解耦信息为Q i且
Figure PCTCN2022130828-appb-000009
所述附加信息的译码结果为
Figure PCTCN2022130828-appb-000010
且
Figure PCTCN2022130828-appb-000011
M i表示L i的元素值的个数及所述Q i的元素值的个数，N i表示所述Q i的第一部分的元素值的个数，N′表示
Figure PCTCN2022130828-appb-000012
的元素值的个数；
所述Q i中的第一部分通过以下方法产生：
for(j＝0；j<N i；j＝j+1)
Figure PCTCN2022130828-appb-000013
所述Q i中的第二部分通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000014
其中，mod表示取模运算，Δ i表示所述附加信息的耦合序号偏移值，G函数表示反馈解耦对数似然比合并运算函数。
一种可能的实现方法中，所述一组对数似然比为L i且
Figure PCTCN2022130828-appb-000015
所述附加信息的对数似然比为Z i且
Figure PCTCN2022130828-appb-000016
N′表示Z i的元素值的个数，M i表示所述任意一组对数似然比的元素值的个数；
所述附加信息的对数似然比通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000017
其中，mod表示取模运算，F表示对数似然比解耦运算函数，Δ i表示所述附加信息的 耦合序号偏移值。
一种可能的实现方法中，
Figure PCTCN2022130828-appb-000018
其中，∑表示求和运算。
上述方案，可以实现灵活设置附加信息与第二码字进行耦合的方式，具体的可以灵活选择附加信息的元素值与第二码字的元素值进行异或运算的对应关系。
一种可能的实现方法中，所述m组对数似然比分别对应的所述附加信息的对数似然比的和值为Z，且
Figure PCTCN2022130828-appb-000019
其中，Z i表示第i组对数似然比对应的附加信息的对数似然比。
一种可能的实现方法中，所述第一码字是polar码。
第三方面，本申请实施例提供一种通信装置，该装置具有实现上述第一方面至第二方面的任意实现方法的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
第四方面，本申请实施例提供一种通信装置，包括与存储器耦合的处理器，该处理器用于调用所述存储器中存储的程序，以执行上述第一方面至第二方面中的任意实现方法。该存储器可以位于该装置之内，也可以位于该装置之外。且该处理器可以是一个或多个。
第五方面，本申请实施例提供一种通信装置，包括处理器和存储器；该存储器用于存储计算机指令，当该装置运行时，该处理器执行该存储器存储的计算机指令，以使该装置执行上述第一方面至第二方面中的任意实现方法。
第六方面，本申请实施例提供一种通信装置，包括用于执行上述第一方面至第二方面中的任意实现方法的各个步骤的单元或手段(means)。
第七方面，本申请实施例提供一种通信装置，包括处理器和接口电路，所述处理器用于通过接口电路与其它装置通信，并执行上述第一方面至第二方面中的任意实现方法。该处理器包括一个或多个。
第八方面，本申请实施例还提供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在通信装置上运行时，使得上述第一方面至第二方面中的任意实现方法被执行。
第九方面，本申请实施例还提供一种计算机程序产品，该计算机程序产品包括计算机程序或指令，当计算机程序或指令被通信装置运行时，使得上述第一方面至第二方面中的任意实现方法被执行。
第十方面，本申请实施例还提供一种芯片系统，包括：处理器，用于执行上述第一方面至第二方面中的任意实现方法。
第十一方面，本申请实施例还提供了一种通信系统，该通信系统包括用于执行上述第一方面任意实现方法的第一装置，和用于执行上述第一方面任意实现方法的第二装置。
附图说明
图1为本申请实施例适用的一种通信系统的示意图；
图2为本申请实施例提供的一种通信方法的流程示意图；
图3为本申请实施例提供的一种通信方法的流程示意图；
图4为本申请实施例提供的将附加信息耦合到PDCCH中的示例图；
图5为本申请实施例提供的一种通信装置的示意图；
图6为本申请实施例提供的一种通信装置的示意图。
具体实施方式
图1为本申请实施例适用的一种通信系统的示意图。该通信系统包括第一装置和第二装置。当第一装置作为发送设备，则第二装置作为接收设备；当第二装置作为发送设备，则第一装置作为接收设备。本申请实施例对于第一装置、第二装置的具体实现不做限定。
为便于说明，本申请以第一装置为发送设备，第二装置为接收设备为例进行说明。
比如，第一装置为终端设备或终端设备内的芯片，第二装置也为终端设备或终端设备内的芯片。再比如，第一装置为终端设备或终端设备内的芯片，第二装置为网络设备或网络设备内的芯片。再比如，第一装置为网络设备或网络设备内的芯片，第二装置也为网络设备或网络设备内的芯片，等等。
本申请实施中，终端设备是一种具有无线收发功能的设备，具体可以指用户设备(user equipment，UE)、接入终端、用户单元(subscriber unit)、用户站、移动台(mobile station)、远方站、远程终端、移动设备、用户终端、无线通信设备、用户代理或用户装置。终端设备可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球和卫星上等)。所述终端设备可以是蜂窝电话、手机(mobile phone)、平板电脑(pad)、无线数据卡、无线调制解调器、卫星终端、车载设备、可穿戴设备、无人机、机器人、智能销售点(point of sale，POS)机、客户终端设备(customer-premises equipment，CPE)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的终端设备、无人驾驶(self driving)中的终端设备、远程医疗(remote medical)中的终端设备、智能电网(smart grid)中的终端设备、运输安全(transportation safety)中的终端、智慧城市(smart city)中的终端设备、智慧家庭(smart home)中的终端。
本申请实施中，网络设备是具有无线收发功能的设备，用于与终端设备进行通信；也可以是能够将终端设备接入到无线网络的设备，如无线接入网(radio access network，RAN)设备或节点。本申请实施例中的网络设备可以包括各种形式的基站，例如：宏基站、微基站(也称为小站)、中继站、接入点、第五代(5th generation，5G)通信系统之后演进的通信系统中实现基站功能的设备、无线保真(wireless fidelity，WiFi)系统中的接入点(access point，AP)、接入回传一体化(integrated access and backhaul，IAB)节点、传输点(transmitting and receiving point，TRP)、发射点(transmitting point，TP)、移动交换中心以及设备到设备(Device-to-Device，D2D)、车辆外联(vehicle-to-everything，V2X)、机器到机器(machine-to-machine，M2M)通信中承担基站功能的设备等，还可以包括云接入网(cloud radio access network，C-RAN)系统中的集中式单元(centralized unit，CU)和分布式单元(distributed unit，DU)、非陆地通信网络(non-terrestrial network，NTN)通信系统中的网络设备，即可以部署于高空平台或者卫星；还可以是构成接入节点的各类设备，如有源天线处理单元(active antenna unit，AAU)、基带单元(baseband unit，BBU)等。本申请实施例对此不作具体限定。
图2为本申请实施例提供的一种通信方法的流程示意图。该方法由第一装置执行，该方法描述的是第一装置的编码过程。该方法包括以下步骤：
步骤201，第一装置将m个第一码字分别进行编码，得到m个第二码字，m为正整数。
这里的第一码字可以是polar码或其它类型的码，本申请不做限定。
第二码字是基于第一码字重复得到的，也即将第一码字作为母码，对母码进行重复编码得到第二码字。
假设m个第一码字分别为X 0，X 1，…，X m-1，且X 0，X 1，…，X m-1中的元素的个数分别为N 0，N 1，…，N m-1。其中，第i+1个第一码字为
Figure PCTCN2022130828-appb-000020
Figure PCTCN2022130828-appb-000021
N i表示X i的元素值的个数。
以第i+1个第一码字X i为例，对X i中的元素值进行重复，可以得到X i对应的第二码字。比如X i对应的第二码字为
Figure PCTCN2022130828-appb-000022
再比如X i对应的第二码字为
Figure PCTCN2022130828-appb-000023
再比如X i对应的第二码字为
Figure PCTCN2022130828-appb-000024
再比如X i对应的第二码字为
Figure PCTCN2022130828-appb-000025
等等。也即对X i中的每个元素值进行重复1次或多次，得到相应的第二码字。
针对m个第一码字中的每个第一码字，均可以得到相应的第二码字，且不同第一码字对应的第二码字的长度可以相同，也可以不同。因此，m个第一码字对应m个第二码字。
步骤202，第一装置将附加信息与m个第二码字分别进行耦合，得到m个耦合码。
本申请实施例中的附加信息，指的是第一装置在向第二装置发送m个第二码字的信息之外，需要额外发送的信息。该附加信息与m个第二码字进行耦合发送，可以提升信道吞吐性能。本申请实施例对附加信息的具体内容不做限定，可以是任何类型的信息。该附加信息与第一码字可以是相同类型的码字，比如都是Polar码，或者也可以是不同类型的码字，对此不限定。
一种实现方法中，将附加信息分为m份子信息，然后将每份子信息与m个第二码字中的一个第二码字进行耦合，得到m个耦合码。比如将第1份子信息与第1个第二码字进行耦合得到第1个耦合码，将第2份子信息与第2个第二码字进行耦合得到第2个耦合码，以此类推，共得到m个耦合码。
又一种实现方法中，将相同的附加信息耦合到m个第二附加码中得到m个耦合码，也即m个耦合码中耦合的附加信息相同。
为便于说明，本申请实施例中以m个耦合码中耦合相同的附加信息为例进行说明。
假设m个第二码字对应的m个耦合码分别为E 0，E 1，…，E m-1，且E 0，E 1，…，E m-1中的元素值的个数分别为M 0，M 1，…，M m-1。E 0对应X 0，E 1对应X 1，…，E m-1对应X m-1。并且，M 0>N 0，M 1>N 1，…，M m-1>N m-1。其中，第i+1个耦合码为
Figure PCTCN2022130828-appb-000026
Figure PCTCN2022130828-appb-000027
每个耦合码包括两部分，分别为第一部分和第二部分，第一部分与m个第一码字中与该耦合码对应的第一码字相同，第二部分由附加信息与m个第二码字中与该耦合码对应的第二码字进行耦合得到的。比如，该第二部分的各个元素值是对附加信息中的各个元素值 与相应的第二码字中除去第一码字之外的各个元素值进行异或运算得到的。
假设附加信息为Y且Y＝{y 0,y 1,y 2,…,y N′-1}，N′表示Y中的元素值的个数。
一种实现方法中，E i、X i以及Y之间的关系如下：
E i的第一部分为
Figure PCTCN2022130828-appb-000028
且第一部分通过以下方法产生：
for(j＝0；j<N i；j＝j+1)
Figure PCTCN2022130828-appb-000029
E i的第二部分为
Figure PCTCN2022130828-appb-000030
且第二部分通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000031
其中，mod表示取模运算，^表示异或运算，Δ i表示附加信息的耦合序号偏移值。
示例性地，
Figure PCTCN2022130828-appb-000032
其中，∑表示求和运算。
当然，上述只是示例性地给出了将附加信息Y耦合到各个第二码字中的一种实现方法，实际应用中不限于上述耦合方法。
步骤203，第一装置发送m个耦合码。
具体的，第一装置是向第二装置发送m个耦合码。
需要说明的是，第一装置可以是每生成一个耦合码，则发送该耦合码，不需要等待m个耦合码全部生成之后再统一发送该m个耦合码。当然，也可以是在m个耦合码均生成完成之后再统一发送该m个耦合码。本申请实施例对m个耦合码的具体发送方法不做限定。
上述方案，将附加信息与m个第二码字进行耦合得到m个耦合码并传输m个耦合码，将m个耦合码中的附加信息解耦以后可以得到与单纯传输m个第二码字相同或相似的传输效果，因此可以实现在不改变第二码字的译码率的情况下，额外发送更多信息，提升了信道性能。
图3为本申请实施例提供的一种通信方法的流程示意图。该方法由第二装置执行，该方法描述的是第二装置的译码过程。该方法包括以下步骤：
步骤301，第二装置接收m组对数似然比(loglikelihood ratio，LLR)。
第一装置通过图2实施例的方法发送了m个耦合码之后，第二装置可以接收到m组对数似然比，m组对数似然比与m个耦合码一一对应。比如第1组对数似然比对应第1个耦合码，第2组对数似然比对应第2个耦合码，以此类推。
每组对数似然比中的元素值的个数与该组对数似然比对应的耦合码中的元素值的个数相同。
一组对数似然比也称为一组接收软值。
步骤302，第二装置对m组对数似然比进行译码，得到附加信息的译码结果和m个第一码字的译码结果。
一种实现方法中，针对m组对数似然比中的一组对数似然比，第二装置根据一组对数似然比的第一部分对一组对数似然比的第二部分进行解耦，得到附加信息的对数似然比；其中，一组对数似然比的第一部分中的元素值的数量等于m个耦合码中与一组对数似然比 对应的耦合码中的第一部分中的元素值的数量，一组对数似然比的第二部分中的元素值的数量等于m个耦合码中与该组对数似然比对应的耦合码中的第二部分中的元素值的数量；然后根据m组对数似然比分别对应的附加信息的对数似然比，确定附加信息的译码结果；以及根据附加信息的译码结果，对一组对数似然比进行解耦，得到一组对数似然比对应的第一码字的译码结果。
一种实现方法中，第二装置根据m组对数似然比分别对应的附加信息的对数似然比，确定附加信息的译码结果，比如可以是：第二装置先确定m组对数似然比分别对应的附加信息的对数似然比的和值，然后对该和值进行译码得到附加信息的译码结果。该方法先译码得到附加信息的m个对数似然比，然后对该m个对数似然比求和后进行译码得到附加信息的译码结果，有助于提升附加信息的译码准确率。
一种实现方法中，第二装置根据附加信息的译码结果，对一组对数似然比进行解耦，得到一组对数似然比对应的第一码字的译码结果，比如可以是：第二装置根据附加信息的译码结果和一组对数似然比的第一部分，对一组似然比的第二部分进行解耦，得到一组对数似然比的解耦信息；对一组对数似然比的解耦信息进行译码，得到一组对数似然比对应的第一码字的译码结果。该方法先利用附加信息的译码结果对一组似然比的第二部分进行解耦可以得到一组对数似然比的解耦信息，然后对一组对数似然比的解耦信息进行译码得到一组对数似然比对应的第一码字的译码结果，可以提升第一码字的译码准确率。
假设m组对数似然比分别为L 0，L 1，…，L m-1，其中，
Figure PCTCN2022130828-appb-000033
表示m组对数似然比中的第i+1组对数似然比，i＝0，1，2，…，m-1。M i表示L i的元素值的个数。L i对应X i、E i。
一种实现方法中，假设第i+1组对数似然比L i对应的附加信息的对数似然比为Z i且
Figure PCTCN2022130828-appb-000034
N′表示Z i的元素值的个数，则Z i可以通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000035
其中，mod表示取模运算，Δ i表示附加信息的耦合序号偏移值。Z i中的各个元素的初始值均设为0。F表示对数似然比解耦运算函数，具体的，F(L0,L1)＝(sig(L0)^sig(L1)？-1:1)*(abs(L0)>abs(L1)？abs(L1):abs(L0)),其中，L0和L1是F函数的输入值。sig为取符号操作，如果L0大于0，则sig(L0)等于0，否则sig(L0)等于1，如果L1大于0，则sig(L1)等于0，否则sig(L1)等于1。如果sig(L0)^sig(L1)的结果为0，则(sig(L0)^sig(L1)？-1:1)的取值为-1，如果sig(L0)^sig(L1)的结果为1，则(sig(L0)^sig(L1)？-1:1)的取值为1。abs为取绝对值的函数。^表示异或运算。
在得到附加信息的m组对数似然比之后，可以对该m组对数似然比进行求和得到和值Z且
Figure PCTCN2022130828-appb-000036
然后对该和值Z进行译码，得到附加信息Y的译码信息
Figure PCTCN2022130828-appb-000037
且
Figure PCTCN2022130828-appb-000038
在得到附加信息Y的译码信息
Figure PCTCN2022130828-appb-000039
之后，根据
Figure PCTCN2022130828-appb-000040
对各组对数似然比进行解耦，得到各组对数似然比的解耦信息。假设第i+1组对数似然比的解耦信息为Q i且
Figure PCTCN2022130828-appb-000041
附加信息的译码结果为
Figure PCTCN2022130828-appb-000042
M i表示Q i的元素值的个数，N i表示Q i的第一部分的元素值的个数，N′表示
Figure PCTCN2022130828-appb-000043
的元素值的个数。
Q i中的第一部分为
Figure PCTCN2022130828-appb-000044
且通过以下方法产生：
for(j＝0；j<N i；j＝j+1)
Figure PCTCN2022130828-appb-000045
Q i中的第二部分为
Figure PCTCN2022130828-appb-000046
且通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000047
其中，mod表示取模运算，Δ i表示附加信息的耦合序号偏移值。关于该Δ i的含义可以参考图3的实施例的描述，不再赘述。G函数表示反馈解耦对数似然比合并运算函数，具体的，G(L0,L1,B)＝(B＝＝0)？(L1+L0):(L1–L0)，其中，L0，L1和B为G函数的输入值，如果B等于0则G函数的取值为L1+L0，如果B不等于0则G函数的取值为L1-L0。
在得到各组对数似然比的解耦信息之后，可以对各组对数似然比的解耦信息分别进行译码，得到各个耦合码的译码信息。比如用
Figure PCTCN2022130828-appb-000048
表示X i的译码信息，则可以得到X 0，X 1，…，X m-1的译码信息
Figure PCTCN2022130828-appb-000049
需要说明的是，第二装置在译码时，可以是没接收到一组对数似然比就执行解耦操作，从该组对数似然比中解耦得到附加信息的对数似然比，而不是等到收到m组对数似然比之后再执行解耦操作。当然，第二装置也可以是在收到m组对数似然比之后再统一执行解耦操作，本申请实施例对此不做限定。
上述方案，将附加信息与m个第二码字进行耦合得到m个耦合码并传输m个耦合码，将m个耦合码中的附加信息解耦以后可以得到与单纯传输m个第二码字相同或相似的传输效果，因此可以实现在不改变第二码字的译码率的情况下，额外发送更多信息，提升了信道吞吐性能。
示例性地，下面给出实施例的一种具体应用。图4为本申请实施例提供的将附加信息耦合到PDCCH中的示例图。假设有m段物理下行控制信道(physical downlink control channel，PDCCH)的编码信息，分别为PDCCH1、PDCCH2、……、PDCCHm，且该m段PDCCH的长度均为N。该m段PDCCH的编码信息即为m个第一码字。对每段PDCCH的编码信息进行1次重复，得到m个第二码字。然后将附加信息Y耦合到各个第二码字的第二部分，得到m个耦合码。其中，该附加信息Y包括以下信息中的一个或多个：聚合等级、各个PDCCH分别对应的用户ID、各个PDCCH的信息长度。基站广播发送该m个耦合码，多个UE都可以收到该m个耦合码。
如果附加信息Y中包括各个PDCCH分别对应的用户ID，则针对某个UE，收到m个耦合码后，先解码得到附加信息A，如果发现自己的ID没有出现在附加信息A中，则可以放弃之后的译码，否则继续译码对应的某段PDCCH的编码信息。该方法可以减少译码次数，也即减少盲检次数。
如果附加信息Y中包括各个PDCCH的信息长度，则针对某个UE，收到m个耦合码后，先解码得到附加信息A，从而获取各个PDCCH的信息长度，后续可以根据每个PDCCH的信息长度，对该PDCCH译码一次即可，而不需要针对该PDCCH尝试使用多种信息长度进行译码，可以减少盲检次数。
如果附加信息Y中包括聚合等级，则针对某个UE，收到m个耦合码后，先解码得到附加信息A，从而获取聚合等级，后续可以根据聚合等级，对该PDCCH译码，而不需要针对该PDCCH尝试使用多种聚合等级进行译码，可以减少盲检次数。
可以理解的是，为了实现上述实施例中功能，第一装置或第二装置包括了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本申请中所公开的实施例描述的各示例的单元及方法步骤，本申请能够以硬件或硬件和计算机软件相结合的形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用场景和设计约束条件。
图5和图6为本申请的实施例提供的可能的通信装置的结构示意图。这些通信装置可以用于实现上述方法实施例中第一装置或第二装置的功能，因此也能实现上述方法实施例所具备的有益效果。在本申请的实施例中，该通信装置可以是图1所示的第一装置或第二装置。
图5所示的通信装置500包括处理单元510和收发单元520。通信装置500用于实现上述方法实施例中第一装置或第二装置的功能。
当通信装置500用于实现上述方法实施例中第一装置的功能，处理单元510，用于将m个第一码字分别进行编码，得到m个第二码字，所述第二码字是基于所述第一码字重复得到的，m为正整数；将附加信息与所述m个第二码字分别进行耦合，得到m个耦合码；其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的；收发单元520，用于发送所述m个耦合码。
一种可能的实现方法中，所述第二部分的各个元素值是对所述附加信息中的各个元素值与所述第二码字中除去所述第一码字之外的各个元素值进行异或运算得到的。
一种可能的实现方法中，所述m个第一码字中的第i+1个第一码字为X i且
Figure PCTCN2022130828-appb-000050
所述m个耦合码中的第i+1个耦合码为E i且
Figure PCTCN2022130828-appb-000051
所述附加信息为Y且Y＝{y 0,y 1,y 2,…,y N′-1}，i＝0，1，2，…，m-1，N i表示X i的元素值的个数，M i表示E i的元素值的个数，N′表示Y的元素值的个数；
所述E i的第一部分为
Figure PCTCN2022130828-appb-000052
且所述第一部分通过以下方法产生：
for(j＝0；j<N i；j＝j+1)
Figure PCTCN2022130828-appb-000053
所述E i的第二部分为
Figure PCTCN2022130828-appb-000054
且所述第二部分通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000055
其中，mod表示取模运算，^表示异或运算，Δ i表示所述附加信息的耦合序号偏移值。
一种可能的实现方法中，
Figure PCTCN2022130828-appb-000056
其中，∑表示求和运算。
一种可能的实现方法中，所述m个耦合码中耦合的附加信息相同。
一种可能的实现方法中，所述第一码字是polar码。
当通信装置500用于实现上述方法实施例中第二装置的功能，收发单元520，用于接收m组对数似然比，所述m组对数似然比与m个耦合码一一对应，所述m个耦合码与m个第二码字一一对应，所述m个第二码字是分别对m个第一码字进行重复编码得到的，m为正整数；处理单元510，用于对所述m组对数似然比进行译码，得到附加信息的译码结果和所述m个第一码字的译码结果；其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的。
一种可能的实现方法中，所述处理单元510，具体用于针对所述m组对数似然比中的一组对数似然比，根据所述一组对数似然比的第一部分对所述一组对数似然比的第二部分进行解耦，得到所述附加信息的对数似然比；其中，所述一组对数似然比的第一部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第一部分中的元素值的数量，所述一组对数似然比的第二部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第二部分中的元素值的数量；根据所述m组对数似然比分别对应的所述附加信息的对数似然比，确定所述附加信息的译码结果；根据所述附加信息的译码结果，对所述一组对数似然比进行解耦，得到所述一组对数似然比对应的第一码字的译码结果。
一种可能的实现方法中，所述处理单元510，具体用于确定所述m组对数似然比分别对应的所述附加信息的对数似然比的和值；对所述和值进行译码，得到所述附加信息的译码结果。
一种可能的实现方法中，所述处理单元510，具体用于根据所述附加信息的译码结果和所述一组对数似然比的第一部分，对所述一组似然比的第二部分进行解耦，得到所述一组对数似然比的解耦信息；对所述一组对数似然比的解耦信息进行译码，得到所述一组对数似然比对应的第一码字的译码结果。
一种可能的实现方法中，所述一组对数似然比为L i且
Figure PCTCN2022130828-appb-000057
所述一组对数似然比的解耦信息为Q i且
Figure PCTCN2022130828-appb-000058
所述附加信息的译码结果为
Figure PCTCN2022130828-appb-000059
且
Figure PCTCN2022130828-appb-000060
M i表示L i的元素值的个数及所述Q i的元素值的个数，N i表示所述Q i的第一部分的元素值的个数，N′表示
Figure PCTCN2022130828-appb-000061
的元素值的个数；
所述Q i中的第一部分通过以下方法产生：
for(j＝0；j<N i；j＝j+1)
Figure PCTCN2022130828-appb-000062
所述Q i中的第二部分通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000063
其中，mod表示取模运算，Δ i表示所述附加信息的耦合序号偏移值，G函数表示反馈解耦对数似然比合并运算函数。
一种可能的实现方法中，所述一组对数似然比为L i且
Figure PCTCN2022130828-appb-000064
所述附加信息的对数似然比为Z i且
Figure PCTCN2022130828-appb-000065
N′表示Z i的元素值的个数，M i表示所述任意一组对数似然比的元素值的个数；
所述附加信息的对数似然比通过以下方法产生：
for(j＝N i；j<M i；j＝j+1)
Figure PCTCN2022130828-appb-000066
其中，mod表示取模运算，F表示对数似然比解耦运算函数，Δ i表示所述附加信息的耦合序号偏移值。
一种可能的实现方法中，
Figure PCTCN2022130828-appb-000067
其中，∑表示求和运算。
一种可能的实现方法中，所述m组对数似然比分别对应的所述附加信息的对数似然比的和值为Z，且
Figure PCTCN2022130828-appb-000068
其中，Z i表示第i组对数似然比对应的附加信息的对数似然比。
一种可能的实现方法中，所述第一码字是polar码。
有关上述处理单元510和收发单元520更详细的描述，可以直接参考上述方法实施例中相关描述直接得到，这里不加赘述。
图6所示的通信装置600包括处理器610和接口电路620。处理器610和接口电路620之间相互耦合。可以理解的是，接口电路620可以为收发器或输入输出接口。可选的，通信装置600还可以包括存储器630，用于存储处理器610执行的指令或存储处理器610运行指令所需要的输入数据或存储处理器610运行指令后产生的数据。
当通信装置600用于实现上述方法实施例时，处理器610用于实现上述处理单元510的功能，接口电路620用于实现上述收发单元520的功能。
可以理解的是，本申请的实施例中的处理器可以是中央处理单元(Central Processing Unit，CPU)，还可以是其它通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其它可编程逻辑器件、晶体管逻辑器件，硬件部件或者其任意组合。通用处理器可以是微处理器，也可以是任何常规的处理器。
本申请的实施例中的方法步骤可以通过硬件的方式来实现，也可以由处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成，软件模块可以被存放于随机存取存储器、闪存、只读存储器、可编程只读存储器、可擦除可编程只读存储器、电可擦除可编程只读存储器、寄存器、硬盘、移动硬盘、致密光盘只读存储器(compact disc read-only  memory，CD-ROM)或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。另外，该ASIC可以位于第一装置或第二装置中。当然，处理器和存储介质也可以作为分立组件存在于第一装置或第二装置中。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序或指令。计算机程序(英语：Computer Program)是指一组指示电子计算机或其他具有消息处理能力设备每一步动作的指令，通常用某种程序设计语言编写，运行于某种目标体系结构上。在计算机上加载和执行所述计算机程序或指令时，全部或部分地执行本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、无线接入网设备、终端设备或者其它可编程装置。所述计算机程序或指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机程序或指令可以从一个网站站点、计算机、服务器或数据中心通过有线或无线方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是集成一个或多个可用介质的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质，例如，软盘、硬盘、磁带；也可以是光介质，例如，数字视频光盘；还可以是半导体介质，例如，固态硬盘。该计算机可读存储介质可以是易失性或非易失性存储介质，或可包括易失性和非易失性两种类型的存储介质。
在本申请的各个实施例中，如果没有特殊说明以及逻辑冲突，不同的实施例之间的术语和/或描述具有一致性、且可以相互引用，不同的实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
本申请中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A，B可以是单数或者复数。在本申请的文字描述中，字符“/”，一般表示前后关联对象是一种“或”的关系；在本申请的公式中，字符“/”，表示前后关联对象是一种“相除”的关系。
可以理解的是，在本申请的实施例中涉及的各种数字编号仅为描述方便进行的区分，并不用来限制本申请的实施例的范围。上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定。

Claims (36)

  1. 一种通信方法，其特征在于，包括：
    将m个第一码字分别进行编码，得到m个第二码字，所述第二码字是基于所述第一码字重复得到的，m为正整数；
    将附加信息与所述m个第二码字分别进行耦合，得到m个耦合码；其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的；
    发送所述m个耦合码。
  2. 如权利要求1所述的方法，其特征在于，所述第二部分的各个元素值是对所述附加信息中的各个元素值与所述第二码字中除去所述第一码字之外的各个元素值进行异或运算得到的。
  3. 如权利要求2所述的方法，其特征在于，所述m个第一码字中的第i+1个第一码字为X i且
    Figure PCTCN2022130828-appb-100001
    所述m个耦合码中的第i+1个耦合码为E i且
    Figure PCTCN2022130828-appb-100002
    所述附加信息为Y且Y＝{y 0,y 1,y 2,…,y N′-1}，i＝0，1，2，…，m-1，N i表示X i的元素值的个数，M i表示E i的元素值的个数，N′表示Y的元素值的个数；
    所述E i的第一部分为
    Figure PCTCN2022130828-appb-100003
    且所述第一部分通过以下方法产生：
    for(j＝0；j<N i；j＝j+1)
    Figure PCTCN2022130828-appb-100004
    所述E i的第二部分为
    Figure PCTCN2022130828-appb-100005
    且所述第二部分通过以下方法产生：
    for(j＝N i；j<M i；j＝j+1)
    Figure PCTCN2022130828-appb-100006
    其中，mod表示取模运算，^表示异或运算，Δ i表示所述附加信息的耦合序号偏移值。
  4. 如权利要求3所述的方法，其特征在于，
    Figure PCTCN2022130828-appb-100007
    其中，∑表示求和运算。
  5. 如权利要求1至4中任一项所述的方法，其特征在于，所述m个耦合码中耦合的附加信息相同。
  6. 如权利要求1至5中任一项所述的方法，其特征在于，所述第一码字是polar码。
  7. 一种通信方法，其特征在于，包括：
    接收m组对数似然比，所述m组对数似然比与m个耦合码一一对应，所述m个耦合码与m个第二码字一一对应，所述m个第二码字是分别对m个第一码字进行重复编码得到的，m为正整数；
    对所述m组对数似然比进行译码，得到附加信息的译码结果和所述m个第一码字的 译码结果；
    其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的。
  8. 如权利要求7所述的方法，其特征在于，所述对所述m组对数似然比进行译码，得到附加信息的译码结果和所述m个第一码字的译码结果，包括：
    针对所述m组对数似然比中的一组对数似然比，根据所述一组对数似然比的第一部分对所述一组对数似然比的第二部分进行解耦，得到所述附加信息的对数似然比；其中，所述一组对数似然比的第一部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第一部分中的元素值的数量，所述一组对数似然比的第二部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第二部分中的元素值的数量；
    根据所述m组对数似然比分别对应的所述附加信息的对数似然比，确定所述附加信息的译码结果；
    根据所述附加信息的译码结果，对所述一组对数似然比进行解耦，得到所述一组对数似然比对应的第一码字的译码结果。
  9. 如权利要求8所述的方法，其特征在于，所述根据所述m组对数似然比分别对应的所述附加信息的对数似然比，确定所述附加信息的译码结果，包括：
    确定所述m组对数似然比分别对应的所述附加信息的对数似然比的和值；
    对所述和值进行译码，得到所述附加信息的译码结果。
  10. 如权利要求8或9所述的方法，其特征在于，所述根据所述附加信息的译码结果，对所述一组对数似然比进行解耦，得到所述一组对数似然比对应的第一码字的译码结果，包括：
    根据所述附加信息的译码结果和所述一组对数似然比的第一部分，对所述一组似然比的第二部分进行解耦，得到所述一组对数似然比的解耦信息；
    对所述一组对数似然比的解耦信息进行译码，得到所述一组对数似然比对应的第一码字的译码结果。
  11. 如权利要求10所述的方法，其特征在于，所述一组对数似然比为L i且
    Figure PCTCN2022130828-appb-100008
    Figure PCTCN2022130828-appb-100009
    所述一组对数似然比的解耦信息为Q i且
    Figure PCTCN2022130828-appb-100010
    所述附加信息的译码结果为
    Figure PCTCN2022130828-appb-100011
    且
    Figure PCTCN2022130828-appb-100012
    i＝0，1，2，…，m-1，M i表示L i的元素值的个数及所述Q i的元素值的个数，N i表示所述Q i的第一部分的元素值的个数，N′表示
    Figure PCTCN2022130828-appb-100013
    的元素值的个数；
    所述Q i中的第一部分通过以下方法产生：
    for(j＝0；j<N i；j＝j+1)
    Figure PCTCN2022130828-appb-100014
    所述Q i中的第二部分通过以下方法产生：
    for(j＝N i；j<M i；j＝j+1)
    Figure PCTCN2022130828-appb-100015
    其中，mod表示取模运算，Δ i表示所述附加信息的耦合序号偏移值，G函数表示反馈解耦对数似然比合并运算函数。
  12. 如权利要求8至10中任一项所述的方法，其特征在于，所述一组对数似然比为L i且
    Figure PCTCN2022130828-appb-100016
    所述附加信息的对数似然比为Z i且
    Figure PCTCN2022130828-appb-100017
    i＝0，1，2，…，m-1，N′表示Z i的元素值的个数，M i表示所述任意一组对数似然比的元素值的个数；
    所述附加信息的对数似然比通过以下方法产生：
    for(j＝N i；j<M i；j＝j+1)
    Figure PCTCN2022130828-appb-100018
    其中，mod表示取模运算，F表示对数似然比解耦运算函数，Δ i表示所述附加信息的耦合序号偏移值。
  13. 如权利要求11或12所述的方法，其特征在于，
    Figure PCTCN2022130828-appb-100019
    其中，∑表示求和运算。
  14. 如权利要求9所述的方法，其特征在于，所述m组对数似然比分别对应的所述附加信息的对数似然比的和值为Z且
    Figure PCTCN2022130828-appb-100020
    其中，Z i表示所述m组对数似然比中的第i组对数似然比对应的附加信息的对数似然比。
  15. 如权利要求7至14中任一项所述的方法，其特征在于，所述第一码字是polar码。
  16. 一种通信装置，其特征在于，包括：
    处理单元，用于将m个第一码字分别进行编码，得到m个第二码字，所述第二码字是基于所述第一码字重复得到的，m为正整数；将附加信息与所述m个第二码字分别进行耦合，得到m个耦合码；其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的；
    收发单元，用于发送所述m个耦合码。
  17. 如权利要求16所述的装置，其特征在于，所述第二部分的各个元素值是对所述附加信息中的各个元素值与所述第二码字中除去所述第一码字之外的各个元素值进行异或运算得到的。
  18. 如权利要求17所述的装置，其特征在于，所述m个第一码字中的第i+1个第一码字为X i且
    Figure PCTCN2022130828-appb-100021
    所述m个耦合码中的第i+1个耦合码为E i且
    Figure PCTCN2022130828-appb-100022
    所述附加信息为Y且Y＝{y 0,y 1,y 2,…,y N′-1}，i＝0，1，2，…，m-1，N i表示X i的元素值的个数，M i表示E i的元素值的个数，N′表示Y的元素值的个数；
    所述E i的第一部分为
    Figure PCTCN2022130828-appb-100023
    且所述第一部分通过以下方法产生：
    for(j＝0；j<N i；j＝j+1)
    Figure PCTCN2022130828-appb-100024
    所述E i的第二部分为
    Figure PCTCN2022130828-appb-100025
    且所述第二部分通过以下方法产生：
    for(j＝N i；j<M i；j＝j+1)
    Figure PCTCN2022130828-appb-100026
    其中，mod表示取模运算，^表示异或运算，Δ i表示所述附加信息的耦合序号偏移值。
  19. 如权利要求18所述的装置，其特征在于，
    Figure PCTCN2022130828-appb-100027
    其中，∑表示求和运算。
  20. 如权利要求16至19中任一项所述的装置，其特征在于，所述m个耦合码中耦合的附加信息相同。
  21. 如权利要求16至20中任一项所述的装置，其特征在于，所述第一码字是polar码。
  22. 一种通信装置，其特征在于，包括：
    收发单元，用于接收m组对数似然比，所述m组对数似然比与m个耦合码一一对应，所述m个耦合码与m个第二码字一一对应，所述m个第二码字是分别对m个第一码字进行重复编码得到的，m为正整数；
    处理单元，用于对所述m组对数似然比进行译码，得到附加信息的译码结果和所述m个第一码字的译码结果；
    其中，所述耦合码包括第一部分和第二部分，所述第一部分与所述m个第一码字中与所述耦合码对应的第一码字相同，所述第二部分由所述附加信息与所述m个第二码字中与所述耦合码对应的第二码字进行耦合得到的。
  23. 如权利要求22所述的装置，其特征在于，所述处理单元，具体用于针对所述m组对数似然比中的一组对数似然比，根据所述一组对数似然比的第一部分对所述一组对数似然比的第二部分进行解耦，得到所述附加信息的对数似然比；其中，所述一组对数似然比的第一部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第一部分中的元素值的数量，所述一组对数似然比的第二部分中的元素值的数量等于所述m个耦合码中与所述一组对数似然比对应的耦合码中的第二部分中的元素值的数量；根据所述m组对数似然比分别对应的所述附加信息的对数似然比，确定所述附加信息的译码结果；根据所述附加信息的译码结果，对所述一组对数似然比进行解耦，得到所述一组对数似然比对应的第一码字的译码结果。
  24. 如权利要求23所述的装置，其特征在于，所述处理单元，具体用于确定所述m组对数似然比分别对应的所述附加信息的对数似然比的和值；对所述和值进行译码，得到所述附加信息的译码结果。
  25. 如权利要求23或24所述的装置，其特征在于，所述处理单元，具体用于根据所述附加信息的译码结果和所述一组对数似然比的第一部分，对所述一组似然比的第二部分进 行解耦，得到所述一组对数似然比的解耦信息；对所述一组对数似然比的解耦信息进行译码，得到所述一组对数似然比对应的第一码字的译码结果。
  26. 如权利要求25所述的装置，其特征在于，所述一组对数似然比为L i且
    Figure PCTCN2022130828-appb-100028
    Figure PCTCN2022130828-appb-100029
    所述一组对数似然比的解耦信息为Q i且
    Figure PCTCN2022130828-appb-100030
    所述附加信息的译码结果为
    Figure PCTCN2022130828-appb-100031
    且
    Figure PCTCN2022130828-appb-100032
    i＝0，1，2，…，m-1，M i表示L i的元素值的个数及所述Q i的元素值的个数，N i表示所述Q i的第一部分的元素值的个数，N′表示
    Figure PCTCN2022130828-appb-100033
    的元素值的个数；
    所述Q i中的第一部分通过以下方法产生：
    for(j＝0；j<N i；j＝j+1)
    Figure PCTCN2022130828-appb-100034
    所述Q i中的第二部分通过以下方法产生：
    for(j＝N i；j<M i；j＝j+1)
    Figure PCTCN2022130828-appb-100035
    其中，mod表示取模运算，^表示异或运算，Δ i表示所述附加信息的耦合序号偏移值，G函数表示反馈解耦对数似然比合并运算函数。
  27. 如权利要求23至25中任一项所述的装置，其特征在于，所述一组对数似然比为L i且
    Figure PCTCN2022130828-appb-100036
    所述附加信息的对数似然比为Z i且
    Figure PCTCN2022130828-appb-100037
    i＝0，1，2，…，m-1，N′表示Z i的元素值的个数，M i表示所述任意一组对数似然比的元素值的个数；
    所述附加信息的对数似然比通过以下方法产生：
    for(j＝N i；j<M i；j＝j+1)
    Figure PCTCN2022130828-appb-100038
    其中，mod表示取模运算，F表示对数似然比解耦运算函数，Δ i表示所述附加信息的耦合序号偏移值。
  28. 如权利要求26或27所述的装置，其特征在于，
    Figure PCTCN2022130828-appb-100039
    其中，∑表示求和运算。
  29. 如权利要求24所述的装置，其特征在于，所述m组对数似然比分别对应的所述附加信息的对数似然比的和值为Z且
    Figure PCTCN2022130828-appb-100040
    其中，Z i表示所述m组对数似然比中的第i组对数似然比对应的附加信息的对数似然比。
  30. 如权利要求22至29中任一项所述的装置，其特征在于，所述第一码字是polar码。
  31. 一种通信装置，其特征在于，包括与存储器耦合的处理器，所述处理器用于调用所 述存储器中存储的程序，以执行权利要求1至6中任一项所述方法，或执行权利要求7至15中任一项所述方法。
  32. 一种通信装置，其特征在于，包括处理器和存储器；所述存储器用于存储计算机指令，当所述通信装置运行时，所述处理器执行所述存储器存储的计算机指令，以执行权利要求1至6中任一项所述方法，或执行权利要求7至15中任一项所述方法。
  33. 一种通信装置，其特征在于，包括处理器和接口电路，所述处理器用于通过所述接口电路与其它装置通信，并执行权利要求1至6中任一项所述方法，或执行权利要求7至15中任一项所述方法。
  34. 一种计算机程序产品，其特征在于，所述计算机程序产品包括计算机程序或指令，当所述计算机程序或指令在处理器上运行时，使得处理器执行权利要求1至6中任一项所述方法，或执行权利要求7至15中任一项所述方法。
  35. 一种计算机可读存储介质，其特征在于，所述存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现如权利要求1至6中任一项所述方法，或实现如权利要求7至15中任一项所述方法。
  36. 一种通信系统，其特征在于，包括用于执行如权利要求1至6中任一项所述方法的第一装置，和用于执行如权利要求7至15中任一项所述方法的第二装置。
PCT/CN2022/130828 2022-11-09 2022-11-09 一种通信方法、通信装置及通信系统 WO2024098276A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/130828 WO2024098276A1 (zh) 2022-11-09 2022-11-09 一种通信方法、通信装置及通信系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/130828 WO2024098276A1 (zh) 2022-11-09 2022-11-09 一种通信方法、通信装置及通信系统

Publications (1)

Publication Number Publication Date
WO2024098276A1 true WO2024098276A1 (zh) 2024-05-16

Family

ID=91031582

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/130828 WO2024098276A1 (zh) 2022-11-09 2022-11-09 一种通信方法、通信装置及通信系统

Country Status (1)

Country Link
WO (1) WO2024098276A1 (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100111145A1 (en) * 2008-11-05 2010-05-06 Broadcom Corporation Baseband unit having bit repetitive encoded/decoding
US20170359085A1 (en) * 2016-06-13 2017-12-14 Fujitsu Limited Coding apparatus, transport apparatus, and coding method
CN109391356A (zh) * 2017-08-11 2019-02-26 华为技术有限公司 编码方法、译码方法、编码装置和译码装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100111145A1 (en) * 2008-11-05 2010-05-06 Broadcom Corporation Baseband unit having bit repetitive encoded/decoding
US20170359085A1 (en) * 2016-06-13 2017-12-14 Fujitsu Limited Coding apparatus, transport apparatus, and coding method
CN109391356A (zh) * 2017-08-11 2019-02-26 华为技术有限公司 编码方法、译码方法、编码装置和译码装置

Similar Documents

Publication Publication Date Title
CN108365848B (zh) 一种极性码的译码方法和装置
RU2663708C1 (ru) Способ и устройство для передачи данных
WO2016119105A1 (zh) 极化Polar码的生成方法和设备
CN108462554B (zh) 一种极性码的传输方法和装置
US10972130B2 (en) Encoding method, decoding method, encoding apparatus, and decoding apparatus
CN108282259B (zh) 一种编码方法及装置
CN109075799A (zh) 极化Polar码的编译码方法及装置
WO2021254422A1 (zh) Polar码编码方法、Polar码译码方法及其装置
US20230208554A1 (en) Encoding and Decoding Method and Apparatus
EP3444984B1 (en) Data transmission method, data receiving method, transmission apparatus, and receiving apparatus
WO2021196942A1 (zh) 编码方法及装置
WO2024098276A1 (zh) 一种通信方法、通信装置及通信系统
CN113055022A (zh) 并行软消除译码方法及相关装置
US20230058149A1 (en) Encoding method and apparatus, decoding method and apparatus, and device
WO2018184493A1 (zh) 数据编码和译码的方法和装置
WO2020233401A1 (zh) 通信方法和装置
WO2021056441A1 (zh) 多用户下行数据聚合传输的方法和装置
WO2020125535A1 (zh) 数据传输方法和通信装置
WO2022171019A1 (zh) 一种编码和译码方法及相关装置
WO2019137523A1 (zh) 编码方法、编码设备以及系统
WO2024055894A1 (zh) 一种编/译码方法及装置
WO2023071711A1 (zh) 一种编码方法、译码方法及通信装置
US12009836B2 (en) Data processing method, communications apparatus, and communications device
CN111490797B (zh) 编码方法、装置及设备
WO2024031285A1 (zh) 一种数据处理方法、装置及设备

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: 22964751

Country of ref document: EP

Kind code of ref document: A1