| Summary: | 碩士 === 國立臺灣海洋大學 === 通訊與導航工程系 === 94 === The Bit Error-Rate (BER) upper bound is derived where transmit diversity (TD) is adopted at the basestation. With an ideal Maximum-ratio Combining (MRC) Rake receiver, this analytical expression of the BER upper bound is determined essentially by the number of diversity antennas, channel orthogonality of the desired signal, relative correlated intra-cell interference, and phase difference of the diversity antennas. Thus, proposed for both open-loop and closed-loop transmit diversity designs for a variety of channel parameters.
Index Terms：Transmit diversity, WCDMA, Channel orthogonality, MRC, Rake receiver, Bit-error-rate, Multipath fading
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