H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/69 (2006.01) H04B 1/707 (2006.01) H04Q 7/20 (2006.01)
Patent
CA 2153617
In a CDMA receiving apparatus, the receiving performance is improved by providing a circuit for providing a signal after despreading with weights and by controlling the weights adaptively so as to minimize the interference signal component contained in the correlatively detected signal. A received signal subjected to quasi-synchronous detection in a quasi- synchronous detector circuit is despread by a data channel despreading circuit. The despread signal is provided with weights in a data channel weight multiplication circuit and integrated in a data channel signal integration circuit. An interference signal component contained in the signal after integration is extracted by an interference signal component extraction circuit. The weights in the data channel weight multiplication circuit are controlled by a weight control circuit on the basis of the interference signal component so as to minimize the interference component.
Asano Nobuo
Nakano Takayuki
Marks & Clerk
Matsushita Electric Industrial Co. Ltd.
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