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Method and communication device for determining transport block size

A technique for determining the size of a transmission block and a method for determining it, applied in the field of a method and device for determining the size of a transmission block, capable of solving problems such as diversity transmission that have not been considered

Active Publication Date: 2022-07-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing protocols only consider the calculation of TBS in the space division multiplexing scenario, but have not considered how to determine the TBS in the scenario of diversity transmission

Method used

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  • Method and communication device for determining transport block size
  • Method and communication device for determining transport block size
  • Method and communication device for determining transport block size

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0151] like image 3 As shown, a method for determining a TBS provided in the embodiment of the present application, the method comprises the following steps:

[0152] S101. The communication apparatus determines the size of the data block corresponding to each of the n codewords, where the n codewords correspond to the same transmission block, and n is an integer greater than 1.

[0153] As an implementation manner, the communication apparatus determines the size of the data block corresponding to each of the n codewords according to the control information corresponding to each of the n codewords. The control information of the codeword is used to indicate the time-frequency resource, MCS, etc. corresponding to the codeword.

[0154] It can be understood that, if the communication device is a terminal, the terminal can acquire control information corresponding to each of the n codewords from the network device.

[0155] In this embodiment of the present application, the co...

Embodiment 2

[0180] like Figure 4 As shown, a method for determining a TBS provided in the embodiment of the present application, the method comprises the following steps:

[0181] S201. The terminal receives the first DCI and the second DCI.

[0182] The first DCI is used to indicate control information of n first codewords. The n first codewords are mapped from one transport block, that is, each of the n first codewords carries a part of the transport block. The n first codewords correspond to the same RV of the transport block.

[0183] The second DCI is used to indicate control information of n second codewords. The n second codewords are obtained by mapping from one transport block. That is, each of the n second codewords carries a portion of the transport block. The n second codewords correspond to the same RV of the transport block.

[0184] It can be understood that the RV corresponding to the first codeword and the RV corresponding to the second codeword may be the same or ...

Embodiment 3

[0198] like Image 6 As shown, a method for determining a TBS provided in the embodiment of the present application, the method comprises the following steps:

[0199] S301. The communication apparatus determines the TBS of the transport block corresponding to the first codeword according to the time-frequency resource of the first codeword and the MCS of the first codeword.

[0200] The method for determining the TBS of the first codeword may refer to the prior art, which will not be repeated here.

[0201] S302. The communication apparatus determines the TBS of the transport block corresponding to the second codeword according to the TBS of the transport block corresponding to the first codeword.

[0202] Wherein, the second codeword and the first codeword correspond to the same transport block. Therefore, the TBS of the transport block corresponding to the first codeword is equal to the TBS of the transport block corresponding to the second codeword.

[0203] In this emb...

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Abstract

The present application provides a method and a communication device for determining the TBS of a transport block. The method includes: the communication device determines the size of a data block corresponding to each of the n codewords, where the n codewords correspond to the same transport block, and n is greater than 1. Integer; then, the communication device determines the TBS of the transport block according to the data block size of one or more of the n codewords. In this way, in the scenario of diversity transmission, the communication apparatus can determine the TBS of an appropriate transport block, so as to facilitate transmission or decoding of the transport block.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a method and apparatus for determining a transport block size (TBS). Background technique [0002] With the rapid development of mobile communication technology, communication systems have higher requirements for reliability. Taking the ultra-reliable and low latency communication (URLLC) service of the fifth-generation (5th-generation, 5G) system as an example, the reliability required by the URLLC service is as high as 99.999%. In order to improve the reliability of the service, the communication system can adopt the mode of diversity transmission. The existing protocol only considers the calculation of TBS in the scenario of space division multiplexing, and has not yet considered how to determine the TBS in the scenario of diversity transmission. SUMMARY OF THE INVENTION [0003] The present application provides a method and a communication device f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04B7/024H04L1/18
CPCH04L1/0007H04L1/0006H04L1/0009H04L1/0003H04B7/024H04L1/189H04L1/0084H04L1/08
Inventor 杭海存葛士斌王潇涵纪刘榴毕晓艳
Owner HUAWEI TECH CO LTD