Abstract
claims can not increase the overhead of uplink control channel to the normal wireless communication terminal device of the CoMP communication. in the device a diffusion unit (214) primary spread the response signal using ZAC sequence set by control unit (209) of the frequency spread unit (217) uses through control unit (209) sets the block spread code sequence. the additional secondary spread the response signal CP the control unit (209) according to the set sequence number and frequency hopping pattern control for spread spectrum unit (214) in a spread spectrum of a ZAC sequence of the cyclic shift quantity and a spread unit (217) block in the spread code sequence of secondary spread spectrum. frequency hopping pattern set in the control unit (209) is a common frequency hopping pattern in multiple base station CoMP reception of the response signal.
A wireless communication terminal apparatus wherein CoMP communication can normally be performed without increasing the overhead of an upstream line control channel. In this apparatus a spreading unit (214) primarily spreads a response signal by use of a ZAC sequence established by a control unit (209). A spreading unit (217) secondarily spreads the response signal to which CP has been added by use of a block-wise spread code sequence established by the control unit (209). The control unit (209) controls in accordance with sequence numbers and a hopping pattern established therein the circular shift amount of the ZAC sequence to be used for the primary spread in the spreading unit (214) and the block-wise spread code sequence to be used for the secondary spread in the spreading unit (217). The hopping pattern established in the control unit (209) is a hopping pattern common to a plurality of base stations that CoMP-receive the response signal.
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| 4G | 14/07/2015 | ISLD-201508-007 | PANASONIC CORP | No | Family Member | ||||
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