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IEICE TRANSACTIONS on Communications

Multiple Blind Beamforming Based on LSCMA

Yan GUO, Ning LI, Myoung-Seob LIM, Jin-Long WANG

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Summary :

Blind beamforming plays an important role in multiple-input multiple-output (MIMO) Systems, radar, cognitive radio, and system identification. In this paper, we propose a new algorithm for multiple blind beamforming algorithm based on the least square constant modulus algorithm (LSCMA). The new method consists of the following three parts: (a) beamforming of one signal with LSCMA. (b) direction-of-arrival (DOA) estimation of the remaining signals by rooting the weight vector polynomial. (c) beamforming of the remaining signals with linear constraints minimum variance (LCMV) method. After the convergence of LSCMA, one signal is captured and the arrival angles of the remaining signals can be obtained by rooting the weight vector polynomial. Therefore, beamforming can be quickly established for the remaining signals using LCMV method. Simultaneously the DOA of the signals can also be obtained. Simulation results show the performance of the presented method.

Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.8 pp.2708-2713
Publication Date
2009/08/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E92.B.2708
Type of Manuscript
PAPER
Category
Antennas and Propagation

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