US 12,081,326 B2
Method and apparatus for determining a transport block size (TBS)
Hongjian Yang, Beijing (CN); Lei Guan, Beijing (CN); Jinhuan Xia, Beijing (CN); and Jiafeng Shao, Beijing (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Sep. 29, 2021, as Appl. No. 17/489,327.
Application 17/489,327 is a continuation of application No. PCT/CN2019/116699, filed on Nov. 8, 2019.
Claims priority of application No. PCT/CN2019/080674 (WO), filed on Mar. 29, 2019; and application No. PCT/CN2019/105790 (WO), filed on Sep. 12, 2019.
Prior Publication US 2022/0021474 A1, Jan. 20, 2022
Int. Cl. H04L 1/00 (2006.01); H04L 27/26 (2006.01); H04W 72/044 (2023.01); H04W 72/30 (2023.01)
CPC H04L 1/0003 (2013.01) [H04L 1/0009 (2013.01); H04L 27/2605 (2013.01); H04W 72/044 (2013.01); H04W 72/30 (2023.01)] 13 Claims
OG exemplary drawing
 
1. A transport block size (TBS) determining method, comprising:
receiving, by a communication device, a maximum modulation order;
determining, by the communication device, a modulation and coding scheme (MCS) index;
determining, by the communication device, a third correspondence, wherein the third correspondence comprises a correspondence between the MCS index, a modulation order, and a first TBS index;
determining, by the communication device, the modulation order and the first TBS index based on the MCS index and the third correspondence;
wherein a maximum modulation order in the third correspondence is equal to 6, a maximum TBS index corresponding to a modulation order 2 is equal to 10, and a maximum TBS index corresponding to a modulation order 4 is greater than or equal to 19; or
wherein the maximum modulation order in the third correspondence is equal to 8, a maximum TBS index corresponding to a modulation order 2 is equal to 10, a maximum TBS index corresponding to a modulation order 4 is equal to 19, and a maximum TBS index corresponding to a modulation order 6 is equal to 25;
determining, by the communication device, an intermediate variable based on the first TBS index, a frequency domain resource occupied by a first broadcast channel, and a second table, wherein the second table comprises a correspondence between the frequency domain resource, the first TBS index, and the intermediate variable; and
determining, by the communication device, a TBS corresponding to the first broadcast channel based on the intermediate variable and a first scale factor, wherein the first scale factor is greater than 1.