US 11,792,667 B2
Method and apparatus for modulation and demodulation of signal in communication system
Wooram Shin, Daejeon (KR); Kyeongpyo Kim, Daejeon (KR); Young-Jo Ko, Daejeon (KR); and Kapseok Chang, Daejeon (KR)
Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed by ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed on Dec. 29, 2021, as Appl. No. 17/564,495.
Claims priority of application No. 10-2021-0182925 (KR), filed on Dec. 20, 2021; and application No. 10-2021-0191803 (KR), filed on Dec. 29, 2021.
Prior Publication US 2023/0199533 A1, Jun. 22, 2023
Int. Cl. H04W 24/08 (2009.01); H04W 72/10 (2009.01); H04L 5/00 (2006.01); H04B 1/69 (2011.01); H04W 72/23 (2023.01)
CPC H04W 24/08 (2013.01) [H04B 1/69 (2013.01); H04L 5/0048 (2013.01); H04W 72/23 (2023.01)] 20 Claims
OG exemplary drawing
 
1. An operation method of a base station in a communication system, the operation method comprising:
performing an operation for channel measurement between the base station and a terminal;
determining a size of multiple spreading resource blocks configured in a second two-dimensional (2D) domain based on a result of the channel measurement;
transmitting information indicating the size of the multiple spreading resource blocks to the terminal; and
performing a communication procedure with the terminal based on the multiple spreading resource blocks having the size,
wherein when the communication procedure is a transmission procedure, data symbols in a first 2D domain are spread to the multiple spreading resource blocks configured in the second 2D domain, and when the communication procedure is a reception procedure, the multiple spreading resource blocks configured in the second 2D domain are despread to data symbols in the first 2D domain,
a reference signal for the channel measurement is configured to be transmitted or received in the first 2D domain or the second 2D domain.