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It is known that Block Turbo Codes (BTC) can be nearly optimally decoded by Chase-II algorithm, in which the Least Reliable Bits (LRBs) are chosen empirically to keep the size of the test patterns (sequences) relatively small and to reduce the decoding complexity. While there are also other adaptive techniques, where the decoder's LRBs adapt to the external parameter of the decoder like SNR (Signal...
By introducing a full-rate space-time block coding (STBC) scheme, a multiuser CDMA system with full-rate STBC is presented. Meanwhile, a low-complexity multiuser receiver scheme is developed, the scheme can make full use of the complex orthogonality of STBC to simplify the high decoding complexity of the existing scheme, it has linear decoding complexity. Compared with those full-diversity space-time...
By introducing full-rate space-time block coding (STBC) scheme, a full-rate space-time block coded CDMA (FSTBC-CDMA) system for downlink in time division duplex mode is given. Considering that existing space-time coded CDMA system has high decoding complexity, a low-complexity multiuser receiver scheme is also proposed. The scheme can make full use of the complex orthogonality of STBC to simply the...
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