Transmit diversity systems with antenna replacement and its application to space time block coding transmission

Seyeong Choi, Hong Chuan Yang, Young Chai Ko

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We propose a new closed-loop transmit diversity scheme for MIMO systems based on orthogonal space-time block coding (OSTBC). The receiver of the proposed scheme checks the output signal-to-noise ratio (SNR) of the space-time decoder against an output threshold and requests the transmitter to replace the antenna corresponding to the weakest path with an unused one if the output SNR is below the threshold. We provide some interesting statistical analysis and obtain closed-form expressions for the cumulative distribution function (CDF), the probability density function (PDF), and the moment generating function (MGF) of the received SNR. We show through numerical examples that the proposed scheme offers significant performance gain with very minimal feedback load over existing open-loop MIMO diversity systems and its performance is commensurate with more complicated systems such as transmit generalized selection combining (GSC).

Original languageEnglish
Title of host publication2006 1st International Symposium on Wireless Pervasive Computing
Pages1-6
Number of pages6
Publication statusPublished - 2006 Nov 2
Event2006 1st International Symposium on Wireless Pervasive Computing - Phuket, Thailand
Duration: 2006 Jan 162006 Jan 18

Publication series

Name2006 1st International Symposium on Wireless Pervasive Computing
Volume2006

Other

Other2006 1st International Symposium on Wireless Pervasive Computing
CountryThailand
CityPhuket
Period06/1/1606/1/18

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Keywords

  • Diversity techniques
  • MIMO system
  • Performance analysis
  • Space-time coding

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Choi, S., Yang, H. C., & Ko, Y. C. (2006). Transmit diversity systems with antenna replacement and its application to space time block coding transmission. In 2006 1st International Symposium on Wireless Pervasive Computing (pp. 1-6). (2006 1st International Symposium on Wireless Pervasive Computing; Vol. 2006).