Performance Evaluation of Full Rate Quasi-orthogonal STF-OFDM with DAC-ZF Decoder for Four Transmit Antennas MIMO System 


Vol. 31,  No. 11, pp. 1092-1100, Nov.  2006


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  Abstract

In this paper, we propose a full rate quasi-orthogonal space-time-frequency block coded orthogonal frequency division multiplexing (QOSTF-OFDM) that can achieve full symbol rate with four transmit antennas. Since the proposed QOSTF-OFDM can not achieve full diversity, we use diversity advantage collection with zero forcing (DAC-ZF) decoder to compensate the diversity loss at receive side. At the same frequency efficiency, compared with linear orthogonal space-time codes which can not achieve full rate with four transmit antennas over complex constellations, low level modulation can be employed by proposed scheme due to its full rate, i.e., modulation advantage can be achieved. Due to modulation advantage and collected diversity advantage, the proposed scheme exhibits better BER performance than other orthogonal schemes.

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  Cite this article

[IEEE Style]

J. Jin, K. Ryu, Y. Park, "Performance Evaluation of Full Rate Quasi-orthogonal STF-OFDM with DAC-ZF Decoder for Four Transmit Antennas MIMO System," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1092-1100, 2006. DOI: .

[ACM Style]

Jiyu Jin, Kwan-Woong Ryu, and Yongwan Park. 2006. Performance Evaluation of Full Rate Quasi-orthogonal STF-OFDM with DAC-ZF Decoder for Four Transmit Antennas MIMO System. The Journal of Korean Institute of Communications and Information Sciences, 31, 11, (2006), 1092-1100. DOI: .

[KICS Style]

Jiyu Jin, Kwan-Woong Ryu, Yongwan Park, "Performance Evaluation of Full Rate Quasi-orthogonal STF-OFDM with DAC-ZF Decoder for Four Transmit Antennas MIMO System," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1092-1100, 11. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880