DOI QR코드

DOI QR Code

주파수 선택적 Rayleigh 페이딩 채널에서의 MIMO 검출 성능 연구

Performance Analysis of MIMO Detection in Frequency Selective Rayleigh Fading Channels

  • 발행 : 2009.05.30

초록

본 논문에서는 주파수 선택적 Rayleigh 페이딩 채널에서 MIMO 검출 기법의 성능이 이론적으로 분석된다. 제시되는 MIMO 검출 구조는 시공간 결합기와 ZF 검출기로 구성되며 이 구조는 $N_T$ 송신안테나, $N_R$ 수신안테나, 그리고 L 다중경로 성분을 활용하는 시스템으로 $LN_R-N_T+1$의 다양성을 얻을 수 있음을 보인다. 또한 주파수 선택적 Rayleigh 페이딩 채널에서의 BER 공식이 제공되고 시뮬레이션 결과와 비교 분석한다.

The BER performance of a MIMO detection scheme on frequency selective Rayleigh fading channels is analytically discussed. The presented MIMO detection scheme consists of temporal and spatial combiners followed by a ZF detector. It is shown that for a MIMO system with $N_T$ transmit antennas, $N_R$ receive antennas, and L resolvable multipath components, it achieves the diversity order of $LN_R-N_T+1$. In frequency selective Rayleigh fading channels, an analytical error rate expression of the systems is also provided and the analytical error performance is compared with the simulated results.

키워드

참고문헌

  1. D. Tse and P. Viswanath, Fundamentals of Wireless Communication, Keppel Towers, Singapore: Cambridge University Press, 2005
  2. D. Gesbert, M. Shafi, D. Shiu, P. J. Smith, and A. Naguib, 'From theory to practice: an overview of MIMO space-time coded wireless systems,' IEEE J. Select. Areas Commun., vol. 21, no. 3, pp. 281-302, April 2003 https://doi.org/10.1109/JSAC.2003.809458
  3. J. H. Winters, J. Salz, and R. D. Gitlin, 'The Impact of Antenna Diversity on the Capacity of Wireless Communication Systems,' IEEE Trans. Communications, vol. 42, no. 2/3/4, pp. 1740- 1751, February/March/April 1994
  4. H. Liu, Y. Song, and R. C. Qiu, 'The Impact of Fading Correlation on the Error Performance of MIMO Systems Over Rayleigh Fading Channels,' IEEE Trans. Wireless Communications, vol. 4, no. 5, pp. 2014-2019, Sept. 2005 https://doi.org/10.1109/TWC.2005.853903
  5. H. Liu, 'Error Performance of MIMO Systems in Frequency Selective Rayleigh Fading Channels,' in Proceedings of GLOBECOM 2003, pp. 2104-2108, 2003