US 12,489,555 B2
Codeword synchronization method, receiver, network device, and network system
Xiang He, Beijing (CN); and Hao Ren, Beijing (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Oct. 25, 2023, as Appl. No. 18/494,427.
Application 18/494,427 is a continuation of application No. PCT/CN2022/088943, filed on Apr. 25, 2022.
Claims priority of application No. 202110455052.8 (CN), filed on Apr. 26, 2021; and application No. 202110904102.6 (CN), filed on Aug. 6, 2021.
Prior Publication US 2024/0056218 A1, Feb. 15, 2024
Int. Cl. H04L 1/00 (2006.01); H03M 5/00 (2006.01); H03M 5/14 (2006.01); H03M 13/00 (2006.01)
CPC H04L 1/0057 (2013.01) [H03M 5/145 (2013.01); H04L 1/0045 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A codeword synchronization method, wherein the method comprises:
receiving a first data sequence, wherein the first data sequence comprises a plurality of bits, and a codeword in the first data sequence comprises extension information for verifying the codeword;
selecting at least one group of bits from the plurality of bits as the extension information to perform verification, and determining a candidate bit in the plurality of bits based on a result of the verification;
determining multiple second test data blocks in the first data sequence based on the candidate bit, wherein a length of an interval between a position of the candidate bit and a start position of the multiple second test data blocks is an integer multiple of the length of the codeword that is in the first data sequence; and
verifying a characteristic value of the multiple second test data blocks, and when the verification succeeds, determining the position of the candidate bit as a synchronization position.