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CN115668828A - Communication method, device and system - Google Patents

Communication method, device and system Download PDF

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Publication number
CN115668828A
CN115668828A CN202080101546.XA CN202080101546A CN115668828A CN 115668828 A CN115668828 A CN 115668828A CN 202080101546 A CN202080101546 A CN 202080101546A CN 115668828 A CN115668828 A CN 115668828A
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original data
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谭志远
董朋朋
祝慧颖
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Huawei Technologies Co Ltd
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    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1614—Details of the supervisory signal using bitmaps

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

本申请实施例提供通信方法、装置及系统。该方法包括：对第一原始数据进行编码获得第一编码数据；向第一通信设备发送第一编码数据；接收来自第一通信设备的指示信息；根据指示信息获取第二原始数据和编码码率信息，第二原始数据包括部分或全部第一原始数据；根据编码码率信息对第三原始数据和第二原始数据进行联合编码，得到第二编码数据，第三原始数据不包括第一原始数据；向第一通信设备发送第二编码数据。该方案，一方面是基于反馈机制指导下次编码，可以实现自适应地调节相关编码参数，可以提升编码性能以及数据传输效率和质量，另一方面实现了新旧数据的联合编码，提升了接收侧的第一通信设备正确译码得到原始数据的成功率。

Figure 202080101546

Embodiments of the present application provide a communication method, device, and system. The method includes: encoding the first original data to obtain the first encoded data; sending the first encoded data to the first communication device; receiving instruction information from the first communication device; obtaining the second original data and the encoding code rate according to the instruction information information, the second original data includes part or all of the first original data; according to the encoding code rate information, the third original data and the second original data are jointly encoded to obtain the second encoded data, and the third original data does not include the first original data ; Sending the second encoded data to the first communication device. On the one hand, this solution is based on the feedback mechanism to guide the next encoding, which can adaptively adjust related encoding parameters, improve encoding performance, and data transmission efficiency and quality. The success rate of the first communication device to correctly decode and obtain the original data.

Figure 202080101546

Description

PCT国内申请，说明书已公开。PCT domestic application, specification has been published.

Claims (57)

  1. A method of communication, comprising:
    encoding the first original data to obtain first encoded data;
    transmitting the first encoded data to a first communication device;
    receiving indication information from the first communication device;
    acquiring second original data and coding rate information according to the indication information, wherein the second original data comprises part or all of the first original data;
    performing joint coding on third original data and the second original data according to the coding rate information to obtain second coded data, wherein the third original data does not include the first original data;
    transmitting the second encoded data to the first communication device.
  2. The method of claim 1, wherein the second original data comprises one or more first original data packets in the first original data, the indication information indicating a number of the first original data packets;
    acquiring the second original data according to the indication information, including:
    and acquiring the second original data according to the number of the first original data packets.
  3. The method of claim 1, wherein the second original data comprises one or more first original data blocks in the first original data, the indication information indicating a number of the first original data blocks;
    acquiring the second original data according to the indication information, wherein the acquiring comprises the following steps:
    and acquiring the second original data according to the number of the first original data blocks.
  4. The method of claim 1, wherein the indication information indicates a rank to which the first encoded data corresponds; the second original data comprises one or more first original data packets in the first original data;
    acquiring the second original data according to the indication information, wherein the acquiring comprises the following steps:
    determining the number of the first original data packets according to the rank corresponding to the first encoding data;
    and acquiring the second original data according to the number of the first original data packets.
  5. The method of claim 1, wherein the indication information indicates a rank to which the first encoded data corresponds, the second original data comprising one or more first original data blocks in the first original data;
    acquiring the second original data according to the indication information, wherein the acquiring comprises the following steps:
    determining the number of the first original data blocks according to the rank corresponding to the first coded data;
    and acquiring the second original data according to the number of the first original data blocks.
  6. The method of claim 1, wherein the indication information indicates a system packet reception condition and a redundant packet reception condition corresponding to the first encoded data; the second original data comprises one or more first original data packets in the first original data;
    acquiring the second original data according to the indication information, including:
    determining the number of the first original data packets according to the receiving condition of the system data packets and the receiving condition of the redundant data packets corresponding to the first coded data;
    and acquiring the second original data according to the number of the first original data packets.
  7. The method of claim 1, wherein the indication information indicates a system packet reception condition and a redundant packet reception condition corresponding to the first encoded data; the second raw data comprises one or more first raw data blocks in the first raw data;
    acquiring the second original data according to the indication information, including:
    determining the number of the first original data blocks according to the receiving condition of a system data packet and the receiving condition of a redundant data packet corresponding to the first coded data;
    and acquiring the second original data according to the number of the first original data blocks.
  8. The method of claim 1, wherein the indication information indicates a first associated depth of encoding; the second original data comprises one or more first original data packets in the first original data;
    acquiring the second original data according to the indication information, including:
    determining the number of the first original data packets according to the first correlation depth;
    and acquiring the second original data according to the number of the first original data packets.
  9. The method of claim 1, wherein the indication information indicates a first associated depth of encoding; the second raw data comprises one or more first raw data blocks in the first raw data;
    acquiring the second original data according to the indication information, including:
    determining the number of the first original data blocks according to the first associated depth;
    and acquiring the second original data according to the number of the first original data blocks.
  10. The method of any of claims 1-9, wherein the coding rate information indicates a number of redundant data packets for the second encoded data, a number of encoded data packets for the second encoded data, or a coding rate for the second encoded data.
  11. The method of any of claims 1-3, 6-9, wherein the indication information indicates a rank for the first encoded data;
    acquiring coding rate information according to the indication information, comprising:
    determining the number of redundant data packets corresponding to the second coded data according to the rank corresponding to the first coded data;
    and determining the coding rate according to the number of the redundant data packets corresponding to the second coded data.
  12. The method of claim 4 or 5, wherein obtaining coding rate information according to the indication information comprises:
    determining the number of redundant data packets corresponding to the second coded data according to the rank corresponding to the first coded data;
    and determining the coding rate according to the number of the redundant data packets corresponding to the second coded data.
  13. The method according to any one of claims 1-5 and 8-9, wherein the indication information indicates a system data packet reception condition and a redundant data packet reception condition corresponding to the first encoded data;
    acquiring coding rate information according to the indication information, comprising:
    determining the number of redundant data packets corresponding to the second coded data according to the receiving condition of the system data packets and the receiving condition of the redundant data packets corresponding to the first coded data;
    and determining the coding rate according to the number of the redundant data packets corresponding to the second coded data.
  14. The method as claimed in claim 6 or 7, wherein obtaining coding rate information according to the indication information comprises:
    determining the number of redundant data packets corresponding to the second coded data according to the receiving condition of the system data packets and the receiving condition of the redundant data packets corresponding to the first coded data;
    and determining the coding rate according to the number of the redundant data packets corresponding to the second coded data.
  15. The method of any one of claims 1-14, wherein the indication information indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the number of original data blocks corresponding to the third original data; or
    The available window length of the decoding window or the used window length of the decoding window.
  16. The method of any one of claims 1-15, wherein the second encoded data includes header information, the header information indicating a second associated depth.
  17. The method of claim 16, wherein the header information further indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the identification of the original data block corresponding to the second coded data; or
    And the second coded data corresponds to a coding coefficient.
  18. A method of communication, comprising:
    receiving first coded data corresponding to the first original data from the second communication device;
    sending indication information to the second communication device, wherein the indication information is used for acquiring second original data and coding rate information, and the second original data comprises part or all of the first original data;
    receiving second coded data corresponding to the coding rate information, third original data and the second original data from the second communication device, wherein the third original data does not include the first original data.
  19. The method of claim 18, wherein the second raw data comprises one or more first raw data packets in the first raw data;
    the indication information indicates any one of:
    the number of the first original data packets, the rank corresponding to the first encoded data, the system data packet reception condition and the redundant data packet reception condition corresponding to the first encoded data, or the first correlation depth of encoding.
  20. The method of claim 18, wherein the second raw data comprises one or more first raw data blocks in the first raw data;
    the indication information indicates any one of:
    the number of the first original data blocks, the rank corresponding to the first encoded data, the system data packet reception condition and the redundant data packet reception condition corresponding to the first encoded data, or the first associated depth of encoding.
  21. The method of any one of claims 18-20, wherein the indication information indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the number of original data blocks corresponding to the third original data; or
    The available window length of the decoding window or the used window length of the decoding window.
  22. The method according to any of claims 18-21, wherein the coding rate information indicates any of:
    the number of redundant data packets corresponding to the second encoded data, the number of encoded data packets corresponding to the second encoded data, the encoding code rate corresponding to the second encoded data, or the system data packet reception condition and the redundant data packet reception condition corresponding to the first encoded data.
  23. The method of any of claims 18-22, wherein the second encoded data includes header information, the header information indicating a second associated depth.
  24. The method of claim 23, wherein the header information further indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the identification of the original data block corresponding to the second coded data; or
    And the second coded data corresponds to a coding coefficient.
  25. A communications apparatus, comprising:
    a transceiving unit for transmitting first encoded data to a first communication device; receiving indication information from the first communication device; transmitting second encoded data to the first communication device;
    the processing unit is used for coding first original data to obtain first coded data; acquiring second original data and coding rate information according to the indication information, wherein the second original data comprises part or all of the first original data; and performing joint coding on third original data and the second original data according to the coding rate information to obtain second coded data, wherein the third original data does not comprise the first original data.
  26. The apparatus of claim 25, wherein the second original data comprises one or more first original data packets in the first original data, the indication information indicating a number of the first original data packets;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    and the second original data is obtained according to the number of the first original data packets.
  27. The apparatus of claim 25, wherein the second original data comprises one or more first original data blocks in the first original data, the indication information indicating a number of the first original data blocks;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    the method is used for acquiring the second original data according to the number of the first original data blocks.
  28. The apparatus of claim 25, wherein the indication information indicates a rank to which the first encoded data corresponds; the second original data comprises one or more first original data packets in the first original data;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    the first original data packet is used for determining the number of the first original data packets according to the corresponding rank of the first coded data;
    and the second original data is obtained according to the number of the first original data packets.
  29. The apparatus of claim 25, wherein the indication information indicates a rank for which the first encoded data corresponds, the second original data comprising one or more first original data blocks in the first original data;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    the method comprises the steps of determining the number of first original data blocks according to the corresponding rank of the first coded data;
    the method is used for acquiring the second original data according to the number of the first original data blocks.
  30. The apparatus of claim 25, wherein the indication information indicates a system packet reception condition and a redundant packet reception condition for the first encoded data; the second original data comprises one or more first original data packets in the first original data;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    the first primary data packet receiving module is used for receiving a first primary data packet and a second primary data packet corresponding to the first coded data;
    and the second original data is obtained according to the number of the first original data packets.
  31. The apparatus of claim 25, wherein the indication information indicates a system packet reception condition and a redundant packet reception condition for the first encoded data; the second raw data comprises one or more first raw data blocks in the first raw data;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    the first original data block number is determined according to the receiving condition of the system data packet and the receiving condition of the redundant data packet corresponding to the first coded data;
    the method is used for acquiring the second original data according to the number of the first original data blocks.
  32. The apparatus of claim 25, wherein the indication information indicates a first associated depth of encoding; the second original data comprises one or more first original data packets in the first original data;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    for determining the number of the first original data packets according to the first association depth;
    and the second original data is obtained according to the number of the first original data packets.
  33. The apparatus of claim 25, wherein the indication information indicates a first associated depth of encoding; the second raw data comprises one or more first raw data blocks in the first raw data;
    the processing unit is configured to obtain the second original data according to the indication information, and specifically includes:
    for determining a number of the first original data blocks according to the first associated depth;
    and the second original data is obtained according to the number of the first original data blocks.
  34. The apparatus of any of claims 25-33, wherein the coding rate information indicates a number of redundant data packets for the second encoded data, a number of encoded data packets for the second encoded data, or a coding rate for the second encoded data.
  35. The apparatus according to any of claims 25-27, 30-33, wherein the indication information indicates a rank for the first encoded data;
    the processing unit is configured to obtain coding rate information according to the indication information, and specifically includes:
    the redundant data packet number corresponding to the second coding data is determined according to the rank corresponding to the first coding data;
    and determining the coding rate according to the number of the redundant data packets corresponding to the second coded data.
  36. The apparatus according to claim 28 or 29, wherein the processing unit is configured to obtain coding rate information according to the indication information, and specifically includes:
    the redundancy data packet number corresponding to the second coding data is determined according to the rank corresponding to the first coding data;
    and the code rate determining unit is used for determining the code rate according to the number of the redundant data packets corresponding to the second coded data.
  37. The apparatus according to any of claims 25-29 and 32-33, wherein the indication information indicates a system packet reception condition and a redundant packet reception condition corresponding to the first encoded data;
    the processing unit is configured to obtain coding rate information according to the indication information, and specifically includes:
    the redundant data packet receiving module is used for determining the number of redundant data packets corresponding to the second coded data according to the system data packet receiving condition and the redundant data packet receiving condition corresponding to the first coded data;
    and the code rate determining unit is used for determining the code rate according to the number of the redundant data packets corresponding to the second coded data.
  38. The apparatus of claim 30 or 31, wherein the processing unit is configured to obtain coding rate information according to the indication information, and specifically includes:
    the redundant data packet number determining unit is used for determining the redundant data packet number corresponding to the second coded data according to the system data packet receiving condition and the redundant data packet receiving condition corresponding to the first coded data;
    and the code rate determining unit is used for determining the code rate according to the number of the redundant data packets corresponding to the second coded data.
  39. The apparatus of any one of claims 25-38, wherein the indication information indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the number of original data blocks corresponding to the third original data; or
    The available window length of the decoding window or the used window length of the decoding window.
  40. The apparatus of any of claims 25-39, wherein the second encoded data includes header information, the header information indicating a second associated depth.
  41. The apparatus of claim 40, wherein the header information further indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the identification of the original data block corresponding to the second coded data; or
    And the second coded data corresponds to a coding coefficient.
  42. A communications apparatus, comprising:
    a receiving unit configured to receive first encoded data corresponding to first original data from a second communication device; receiving second coded data corresponding to coding rate information, third original data and second original data from the second communication device, wherein the third original data does not include the first original data;
    a sending unit, configured to send indication information to the second communication device, where the indication information is used to obtain the second original data and the coding rate information, and the second original data includes part or all of the first original data.
  43. The apparatus of claim 42, wherein the second raw data comprises one or more first raw data packets in the first raw data;
    the indication information indicates any one of:
    the number of the first original data packets, the rank corresponding to the first encoded data, the system data packet reception condition and the redundant data packet reception condition corresponding to the first encoded data, or the first correlation depth of encoding.
  44. The apparatus of claim 42, wherein the second raw data comprises one or more first raw data blocks in the first raw data;
    the indication information indicates any one of:
    the number of the first original data blocks, the rank corresponding to the first encoded data, the system data packet reception condition and the redundant data packet reception condition corresponding to the first encoded data, or the first associated depth of encoding.
  45. The apparatus of any one of claims 42-44, wherein the indication information indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the number of original data blocks corresponding to the third original data; or
    The available window length of the decoding window or the used window length of the decoding window.
  46. The apparatus of any of claims 42-45, wherein the coding rate information indicates any of:
    the number of redundant data packets corresponding to the second encoded data, the number of encoded data packets corresponding to the second encoded data, the encoding code rate corresponding to the second encoded data, or the system data packet reception condition and the redundant data packet reception condition corresponding to the first encoded data.
  47. The apparatus of any of claims 42-46, wherein the second coded data includes header information indicating a second associated depth.
  48. The apparatus of claim 47, wherein the header information further indicates one or more of:
    the number of original data packets corresponding to the third original data;
    the identification of the original data block corresponding to the second coded data; or
    And the second coded data corresponds to a coding coefficient.
  49. A communications apparatus, comprising: a processor coupled with a memory, the memory to store a program or instructions that, when executed by the processor, cause the apparatus to perform the method of any of claims 1 to 17.
  50. A communications apparatus, comprising: a processor coupled with a memory, the memory to store a program or instructions that, when executed by the processor, cause the apparatus to perform the method of any of claims 18 to 24.
  51. A chip system, comprising: the system-on-chip includes at least one processor, and an interface circuit coupled to the at least one processor, the processor executing instructions to perform the method of any of claims 1-17.
  52. A chip system, comprising: the system-on-chip includes at least one processor, and an interface circuit coupled to the at least one processor, the processor executing instructions to perform the method of any of claims 18-24.
  53. A communication device configured to perform the method of any of claims 1-17.
  54. A communication device configured to perform the method of any one of claims 18-24.
  55. A computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any one of claims 1 to 24.
  56. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method of any one of claims 1-24.
  57. A communication system comprising an apparatus as claimed in any of claims 25 to 41 and an apparatus as claimed in any of claims 42 to 48.
CN202080101546.XA 2020-08-07 2020-08-07 Communication method, device and system Pending CN115668828A (en)

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US20150280751A1 (en) * 2014-03-25 2015-10-01 Samsung Electronics Co., Ltd. Joint source-channel encoding and decoding for compressed and uncompressed data
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CN109889308A (en) * 2019-01-28 2019-06-14 中国人民解放军陆军工程大学 Hybrid automatic repeat request method for joint polarization coding and decoding in Internet of Things

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