Space-time block coding for four transmit antennas over time-selective fading channels: orthogonal or non-orthogonal design?Zheng, F.-C. and Burr, A.G. (2003) Space-time block coding for four transmit antennas over time-selective fading channels: orthogonal or non-orthogonal design? In: 2003 IEEE 58th vehicular technology conference. IEEE Press, pp. 513-517. ISBN 0780379543 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1109/VETECF.2003.1285070 Abstract/SummaryThe paper deals with an issue in space time block coding (STBC) design. It considers whether, over a time-selective channel, orthogonal STBC (O-STBC) or non-orthogonal STBC (NO-STBC) performs better. It is shown that, under time-selectiveness, once vehicle speed has risen above a certain value, NO-STBC always outperforms O-STBC across the whole SNR range. Also, considering that all existing NO-STBC schemes have been investigated under quasi-static channels only, a new simple receiver is derived for the NO-STBC system under time-selective channels.
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