FIELD: radio engineering, communication.
SUBSTANCE: invention relates to communication engineering and can be used in wireless communication systems. In the device, a control component controls both a ZC sequence used in primary spreading in a spreading component and a Walsh sequence used in secondary spreading in a spreading component in accordance with the relationship between the sequences and CCE, established in accordance with the probability of using physical resources of the response signal corresponding to the numbers of the CCE. The spreading component performs primary spreading of the response signal using the ZC sequence established by the control component. The spreading component performs secondary spreading of the response signal to which a CP prefix was added using the Walsh sequence established by the control component.
EFFECT: minimising deterioration of the spreading characteristics of response signals subjected to code multiplexing.
15 cl, 16 dwg
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