发明名称 SPREAD SPECTRUM SIGNAL RECEIVING APPARATUS
摘要 A receiving apparatus in a spread spectrum system includes a quadrature-demodulating section (2) for demodulating a received signal in accordance with a clock signal to generate first and second quadrature components of components of a pilot signal and a spreading code generating section (3) for generating a spreading code sequence which is the same as used on a transmission side, for each of the information signal first and second quadrature components and pilot signal first and second quadrature components in response to the clock signal. A despreading section (71 to 74) despreads each of the information signal first and second quadrature components and pilot signal first and second quadrature components by use of the corresponding generated spreading code sequence. A clock signal generating section (9) generates the clock signal in accordance with a frequency control signal to supply the clock signal to the quadrature-demodulating section and the spreading code generating section. A frequency control signal generating section (4) generates the frequency control signal from the despread pilot signal first and second quadrature components. <IMAGE>
申请公布号 KR100201973(B1) 申请公布日期 1999.06.15
申请号 KR19960020697 申请日期 1996.06.11
申请人 NEC CORPORATION 发明人 KAKU, TOMOYA
分类号 H04B1/034;H04B1/707;H04B1/7087;H04L7/00 主分类号 H04B1/034
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