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A Widely-Linear LMS Algorithm for Adaptive Beamformer

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3 Author(s)
Qu Jin You ; Hefei Electron. Eng. Inst., Hefei ; Zhang Jianyun ; Zhang Xin'an

A novel adaptive Array structure using widely-linear weight is proposed in this paper. MMSE law is used to evaluate the performance of the adaptive array. According to the widely-linear structure, the widely-linear LMS algorithm (WL-LMS) is used here, which uses widely-linear model of the received signal rather than linear model estimating the desired signal. This structure provides a unified framework for beamforming in circular and non-circular sources, and can get much less MMSE between the beamforming output and the desired signal. This algorithm has been tested for beamforming using BPSK and narrow-band FM signal.

Published in:

Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2007 International Symposium on

Date of Conference:

16-17 Aug. 2007

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