[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.6109/jicce.2012.10.3.215

Error Performance of Spatial-temporal Combining-based Spatial Multiplexing UWB Systems Using Transmit Antenna Selection

Kim, Sang-Choon (Department of Electronics Engineering, Dong-A University)

Publication Information

Journal of information and communication convergence engineering / v.10, no.3, 2012 , pp. 215-219 More about this Journal

Abstract

This paper applies transmit antenna selection algorithms to spatial-temporal combining-based spatial multiplexing (SM) ultra-wideband (UWB) systems. The employed criterion is based on the largest minimum output signal-to-noise ratio of the multiplexed streams. It is shown via simulations that the bit error rate (BER) performance of the SM UWB systems based on the two-dimensional Rake receiver is significantly improved by antenna diversity through transmit antenna selection on a log-normal multipath fading channel. When the transmit antenna diversity through antenna selection is exploited in the SM UWB systems, the BER performance of the spatial-temporal combining-based zero-forcing (ZF) receiver is also compared with that of the ZF detector followed by the Rake receiver.

Keywords

Ultra-wideband (UWB); Spatial multiplexing; QR decomposition; ZF detector; Rake combiner; Spatial-temporal combining;

Citations & Related Records

Reference

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