Radio reception apparatus and radio reception method

Details Radio reception apparatus and radio reception method Radio reception apparatus and radio reception method

H - Electricity

04

B

H04B 1/69 (2006.01) H04B 1/707 (2006.01) H04B 7/216 (2006.01) H04J 11/00 (2006.01)

Patent

CA 2301342

The radio reception apparatus of the present invention obtains a despread signal of the reception signal with a high spreading factor by carrying out a correlation calculation using codes with a relatively low spreading factor and then carrying out multiplications/additions, thereby eliminating the need for a large-scale correlation circuit (processing circuit) even when using a relatively high spreading factor in a DS-CDMA (Direct Sequence CDMA) system, which uses layered (code treed) orthogonal spreading codes.

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