Bit-interleaved coded differential space-time modulation

TitleBit-interleaved coded differential space-time modulation
Publication TypeConference Paper
Year of Publication2002
AuthorsLampe, L., and R. Schober
Conference NameCommunications, 2002. ICC 2002. IEEE International Conference on
Pagination1434 - 1438 vol.3
Keywordsbit-error rate, bit-interleaved coded modulation, channel state information, computational complexity, differential space-time modulation, diversity reception, error statistics, feedback, flat fading channels, hard-decision feedback, interleaved codes, Iterative Decoding, modulation coding, power efficiency, prediction theory, radio links, Rayleigh channels, Rayleigh fading channels, space diversity, time diversity

Bit-interleaved coded differential space-time modulation (DSTM) for transmission over flat Rayleigh fading channels is discussed. For improved noncoherent detection without channel state information at the receiver, iterative decoding employing hard-decision feedback and prediction-based metric computation are applied. The performance is assessed based on analytical expressions for the bit-error rate and simulations. For the most relevant case of two transmit antennas, it is shown that the proposed scheme offers high power efficiency exploiting both space and time diversity, while computational complexity is kept at a low level.


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