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In this paper, a new frequency estimation scheme is proposed for the downlink of Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system over frequency flat Rician fast fading channels. The proposed algorithm exploits the synchronous downlink sequence of the downlink pilot time slot in the sub-frame, and takes account of the case where the carrier frequency offset (CFO) and the Doppler...
A new direction-of-arrival (DOA) estimation method for coherent global positioning system (GPS) signals is proposed. It is applicable to the GPS propagation environment with rich multipath, strong interferences and noise. According to the properties of oblique projection, interferences and noise are first suppressed and only the coherent GPS signals are retained by projecting the received signal onto...
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