Performance analysis and design of STBCs for fading ISI channels

TitlePerformance analysis and design of STBCs for fading ISI channels
Publication TypeConference Paper
Year of Publication2002
AuthorsSchober, R., W. H. Gerstacker, and L. Lampe
Conference NameCommunications, 2002. ICC 2002. IEEE International Conference on
Pagination1451 - 1455 vol.3
KeywordsAlamouti code, BER, bit error rate, block codes, cellular radio, code design rule, diversity order, EDGE, error statistics, fading channels, GSM, intersymbol interference, ISI, maximum likelihood sequence estimation, maximum-likelihood sequence estimation, MLSE, pairwise error probability, receive antennas, space-time block-codes, space-time codes, transmit antennas
Abstract

Space-time block-coded transmission over fading intersymbol interference (ISI) channels is investigated. A lower bound on the pairwise error probability for optimum detection is given. Also, an approximation for the bit error rate is derived and compared with simulation results for maximum-likelihood sequence estimation (MLSE) for the GSM/EDGE (enhanced data rates for GSM evolution) system. Furthermore, a novel design rule for space-time block codes (STBC) with arbitrary rate for fading ISI channels is provided. A corresponding full-rate code is designed and shown to yield higher performance than Alamouti's code. It is demonstrated that for fading channels with L independent impulse response coefficients, full-rate STBCs designed for the flat fading channel can achieve at most a diversity order of (NT+L-1)NR if NT transmit antennas and NR receive antennas are used. On the other hand, the maximum diversity order employing the proposed code design rule is LNTNR.

URLhttp://dx.doi.org/10.1109/ICC.2002.997090
DOI10.1109/ICC.2002.997090

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