CPC H04W 24/08 (2013.01) [H04B 1/69 (2013.01); H04L 5/0048 (2013.01); H04W 72/23 (2023.01)] | 20 Claims |
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.
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