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PERFORMANCE ANALYSIS OF MULTICARRIER DS CDMA SYSTEMS |
Xie Renhong; Guo Shanhong; Sheng Weixing; Sun Jintao; Qi Lianbao |
School of Electronic Engineering and Optoelectronic Technology NUST Nanjing 210094 |
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Abstract In this paper,A multicarrier signaling technique is applied to a direct-sequence CDMA system.A data sequence multiplied by a spreading sequence modulates multipte. Carriers in transmitter,the receiver provides a correlator for each carrier, and the ouputs of the correlators are combined with a maximal-ratio combiner.This type of signaling has the desirable properties of a narrow band interference suppression effect.The system performance is evaluated in the presence of partial band interference,it is compared with that of a single-carrier DS CDMA system.
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Received: 21 April 1998
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