Performance of transmit antenna selection in space-time coded OFDM systems

Justin P. Coon, Magnus Sandell

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)


In this paper, we investigate the asymptotic performance of per-tone, bulk, and joint bulk/per-tone transmit antenna selections in orthogonal frequency-division multiplexing systems employing orthogonal space-time block coding (OSTBC). In particular, we show that the diversity and coding gains of all three systems are identical. This is a remarkable result since it demonstrates that systems with M transmit antennas operating in the high signal-to-noise ratio regime can achieve optimal performance while only employing enough radio frequency circuitry to convey OSTBC over L < M antennas on all subcarriers, thus offering significant savings over conventional approaches.

Original languageEnglish
Pages (from-to)2824-2828
Number of pages5
JournalIEEE Transactions on Vehicular Technology
Issue number6
Publication statusPublished - Jul 2011


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