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Diversity and Multiplexing Techniques of 802.11n WLAN

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This paper is devoted to analyze an improvement in the performance of WLAN (Wireless Local Area Network) systems introduced by space and space-time diversity, as well as spatial multiplexing. These MIMO (Multiple-Input Multiple-Output) techniques are approved in the latest 802.11n specification. In order to perform the experiment, a Matlab application that simulates WLAN physical layer has been developed.
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Bibliogr. 9 poz., rys.
  • Faculty of Electronics and Telecommunications, Poznan University of Technology
  • [1] 802.11n-2009 IEEE Standard for Information Technology-Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment: Enhancements for Higher Throughput.
  • [2] J.D. Moreira et al., “Diversity techniques for OFDM based WLAN systems,” in Proc. of IEEE Int. Symposium on Personal, Indoor and Mobile Radio Commnications (PIMRC), Lisbon, 2002.
  • [3] L. Jee-Hye, B. Myung-Sun, and S. Hyoung-Kyu, “Efficient MIMO Receiving Technique in IEEE 802.11n System for Enhanced Services,” IEEE Trans. Consum. Electron., vol. 53, no. 2, May 2007.
  • [4] S. Alamouti, “A simple transmit diversity technique for wireless communications,” IEEE J. Sel. Areas Commun., vol. 16, no. 8, pp. 1452–1458, Oct. 1998.
  • [5] Y. Sun, A. Nix, and J. McGeehan, “HIPERLAN performance analysis with dual antenna diversity and decision feedback equalization,” in Proc. of Vehicular Technology Conference, vol. 3, 1996.
  • [6] BRAN TS 101 475 v1.2.2 BRAN; HIPERLAN Type 2; Physical (PHY) layer.
  • [7] F. C. Zheng and A. G. Burr, “Signal detection for non-orthogonal spacetime block coding over time-selective fading channels,” IEEE Commun. Lett., vol. 8, no. 8, Aug. 2004.
  • [8] H. Gao, P. J. Smith, and M. Clark, “Theoretical reliability of MMSE linear diversity combining in rayleigh-fading additive interference channels,” IEEE Trans. Commun., vol. 46, no. 5, pp. 666–672, May 1998.
  • [9] L. Yang, M. Chen, S. Cheng, and H. Wang, “Combined maximum likelihood and ordered successive interference cancellation grouped detection algorithm for multistream mimo,” in Proc. of 8th IEEE Int. Symposium on Spread Spectrum Techniques and Applications, Aug. 2004, pp. 250–254.
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