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Patent Searching and Data


Title:
RATE MATCHING METHOD FOR LDPC CODE, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/233141
Kind Code:
A1
Abstract:
The present application provides a rate matching method for an LDPC code, and a communication device. A transmission end, when performing a retransmission, retransmits information bits of an LDPC codeword according to a repeat priority order of the information bits in a rate matching process, so as to improve performance gain at a receiving end. Since the repeat priority order of the information bits is determined according to the sensitivity of the LDPC codeword, in said repeat priority order, the higher the sensitivity of an information bit, the lower the repeat priority thereof, and the lower the sensitivity of an information bit, the higher the repeat priority thereof. Accordingly, when the transmission end retransmits the information bits of the LDPC codeword, information bits having lower sensitivity are retransmitted with priority, thereby improving the decoding performance of the receiving end.

Inventors:
LIN, Wei (CN)
WANG, Hui (CN)
LEI, Xianfu (CN)
GAN, Ming (CN)
TANG, Xiaohu (CN)
Application Number:
PCT/CN2021/092348
Publication Date:
November 25, 2021
Filing Date:
May 08, 2021
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (CN)
International Classes:
H03M13/11; H04L1/00
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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