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Browsing by Author "Yiu, Tsang-Wei"

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    A tight BER upper bound for bit-interleaved coded modulation with square QAM and gray labeling
    (2006-11-01)
    Huang, Liang-Wei
    ;
    Sheen, Wern-Ho
    ;
    Yiu, Tsang-Wei
    ;
    交大名義發表
    ;
    電信工程研究所
    Bit-interleaved coded modulation (BICM) is a bandwidth-efficient coded system with diversity order higher than that of Ungerboeck's trellis-coded modulation on fading channels. In this paper, we investigate the BER (bit error rate) performance of BICM in the additive white Gaussian and Rayleigh fading channels. A new upper bound is given for the square QAM constellation with gray labeling, which constitutes a large portion of practical applications of BICM systems. The new upper bound is tighter than the well-known BICM union bound proposed in [4].