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Space-time trellis codes with transmit antenna selection

Space-time trellis codes with transmit antenna selection

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A scheme combining transmit antenna selection (TAS) and space-time trellis code (STTC), which is referred to as the TAS/STTC scheme, is considered. In this scheme, two transmit antennas, which maximise the signal-to-noise ratio (SNR) at the receiver, are chosen to transmit the baseline STTCs designed for two transmit antennas. It is shown by simulation that, similar to two other transmit antenna selection schemes investigated previously by the authors, this scheme also achieves a full diversity order as if all the transmit antennas were used. In addition, this scheme has a fixed low decoding complexity no matter how high the diversity order. Unlike the traditional STTC, this scheme does not have the requirement for minimum memory order to achieve a full diversity order.

Inspec keywords: transmitting antennas; diversity reception; space-time codes; trellis codes; decoding; Rayleigh channels

Other keywords: fixed low decoding complexity; transmit antennas; signal-to-noise ratio; full diversity order; transmit antenna selection; quasi-static flat Rayleigh fading channel; simulation; TAS/STTC scheme; space-time trellis codes

Subjects: Antenna theory; Codes

References

    1. 1)
    2. 2)
      • Chen, Z., Vucetic, B., Yuan, J., Lo, K.: `Analysis of transmit antenna selection/maximal-ratio combining in Rayleigh fading channels', Proc. IEEE ISIT'03, June 2003, Yokohama, Japan, to appear.
    3. 3)
    4. 4)
      • Chen, Z., Vucetic, B., Yuan, J.: `Performance analysis of the Alamouti scheme with antenna selection in Rayleigh fading channels', Submitted to IEEE Globecom'03, 2003, San Francisco, CA, USA, http://www.ee.usyd.edu.au/~zhuochen.
    5. 5)
    6. 6)
      • Chen, Z., Vucetic, B., Yuan, J.: `Comparison of three closed-loop transmit diversity scheme', Proc. IEEE VTC'03, April 2003, Jeju Island, Korea, to appear.
    7. 7)
    8. 8)
      • B. Abdool-Rassool , F. Heliot , L. Revelly , R. Nakhai , H. Aghvami . 4-PSK space-time trellis codes with five and six transmit antennas for slow rayleigh fading channels. Electron. Lett. , 297 - 299
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