CPC H04B 7/0634 (2013.01) [H04W 74/008 (2013.01); H04W 74/0841 (2013.01)] | 16 Claims |
1. An operation method of a terminal in a communication system, the operation method comprising:
receiving, from a base station, basis preamble information and linear combination information;
generating a superposed preamble by using the basis preamble information and the linear combination information;
transmitting, to the base station, a first message including the generated superposed preamble; and
receiving, from the base station, a second message that is a response signal for the first message,
wherein the superposed preamble is generated as a linear combination of basis preambles indicated by the basis preamble information.
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