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Volume 28 Issue 12
Aug.  2010
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Zeng Yun-bao, Zhao Yi-zhong, Zhu Yong-fen, Wang Wen-bo. A Beamforming Scheme Based on Eigenvalue Distribution[J]. Journal of Electronics & Information Technology, 2006, 28(12): 2330-2333.
Citation: Zeng Yun-bao, Zhao Yi-zhong, Zhu Yong-fen, Wang Wen-bo. A Beamforming Scheme Based on Eigenvalue Distribution[J]. Journal of Electronics & Information Technology, 2006, 28(12): 2330-2333.

A Beamforming Scheme Based on Eigenvalue Distribution

  • Received Date: 2005-04-26
  • Rev Recd Date: 2005-11-25
  • Publish Date: 2006-12-19
  • This paper firstly analyzes the eigenvalue distribution in environment with different angle spread and DOA. Secondly, the performance of different beamforming algorithms are investigated first in diverse environment. Then a beamforming scheme based on eigenvalue distribution is proposed, which can adaptively utilize different beamforming algorithm according to the eigenvalue distribution. Simulation results show that the proposed method possesses almost the same performance as the Per-Path Per-Weight(PPPW) beamforming method, furthermore the complexity is reduced greatly.
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  • Li J, Stoica, P, Wang Z. On robust Capon beamforming and diagonal loading[J].IEEE Trans. on Signal Processing.2003, 51(7):1702-1715[2]Lorenz R, Boyd S. Robust minimum variance beamforming[J].IEEE Trans. on Signal Processing.2005, 53(5):1684-[3]Kogon S. Eigenvectors, diagonal loading and white noise gain constraints for robust adaptive beamforming. Conference Record of the Thirty-Seventh Asilomar Conference on Signals, Systems and Computers, 2003, 2 (9-12): 1853 - 1857.[4]Vural A M. Effects of perturbation on the performance of optimum adaptive arrays[J].IEEE Trans. on Aerosp. Electron. Syst.1979, AES-15:76-87[5]Viberg M, Swindlehurst A. Analysis of the combined effects of finite samples and model errors on array processing performance[J].IEEE Trans. on Signal Processing.1994, 42(11):3073-3083[6]Sun Xiao-Ying, Wang Shu-Xun, Liang Ying-Chang. Beamforming and Power Control for Multirate CDMA Systems with Per-Path-Per-Weight Beamforming Scheme. Proceedings of the IEEE 6th Circuits and Systems Symposium on Technologies: Frontiers of Mobile and Wireless Communication, June 2004, 2(31): 619 - 622.[7]durranis, Bialkowski, M E. Effect of angular energy distribution of an incident signal on the spatial fading correlation of a uniform linear array. MIKON-2004. 15th International Conference on Microwaves, Radar and Wireless Communications, 2(17-19): 493-496.[8]Dakdouki S, Banket L. Downlink processing algorithms for multi-antenna wireless communications. IEEE CommunicationsMagazine, 2005 43(1): 122 -127.
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