Space-time block coded IQ-interleaved joint coding and modulation for AWGN and Rayleigh fading channels

S. Ng, L. Hanzo
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引用次数: 2

Abstract

Space-time block coded (STBC) in-phase/quadrature-phase (IQ)-interleaved trellis coded modulation (TCM) and turbo TCM (TTCM) schemes are proposed, which are capable of quadrupling the achievable density order of the conventional symbol-interleaved TCM and TTCM schemes, when two transmit antennas are employed. The increased diversity order of the proposed schemes provides significant additional coding gains when communicating over non-dispersive Rayleigh fading channels, which is achieved without compromising the coding gain attainable over Gaussian channels. Bit-interleaved coded modulation (BICM) as well as iteratively decoded BICM (BICM-ID) is also incorporated into the proposed system and their performance is compared to that of TCM and TTCM.
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空时分组编码iq交织联合编码与调制AWGN和瑞利衰落信道
提出了空时分组编码(STBC)同相/正交相交织(IQ)栅格编码调制(TCM)和turbo TCM (TTCM)方案,当采用两根发射天线时,它们的可达密度阶是传统符号交织TCM和TTCM方案的四倍。当在非色散瑞利衰落信道上通信时,所提出的方案的增加的分集顺序提供了显着的额外编码增益,这是在不影响高斯信道上可获得的编码增益的情况下实现的。将比特交织编码调制(BICM)和迭代解码BICM (BICM- id)也纳入了该系统,并将其性能与TCM和TTCM进行了比较。
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