FIELD: radio engineering, communication.
SUBSTANCE: in the device, the control component (209) controls both the ZC sequence that is used for the primary expansion in the expansion component (214) and the Walsh sequence that is used for the secondary expansion in the expansion component (217), in accordance with the relationship between the sequences and elements of the CCE established in accordance with the probability of using the physical resources of the reply signal corresponding to the CCE element numbers. The expansion component (214) performs the primary expansion of the reply signal by the ZC sequence set by the control component (209). The expansion component (217) performs the secondary expansion of the reply signal to which the CP prefix was added using the Walsh sequence set by the control component (209).
EFFECT: improving the quality of reply signal characteristics undergoing code multiplexing.
30 cl, 16 dwg
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