A Low Complexity 1D-Based Successive GSC Structure for 2D Adaptive Beamformer Implementation

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概要

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• In this study, we propose a one dimensional (1D) based successive generalized sidelobe canceller (GSC) structure for the implementation of 2D adaptive beamformers using a uniform rectangular antenna array (URA). The proposed approach takes advantage of the URA feature that the 2D spatial signature of the receive signal can be decomposed into an outer product of two 1D spatial signatures. The 1D spatial signatures lie in the column and the row spaces of the receive signal matrix, respectively. It follows that the interferers can be successively eliminated by two rounds of 1D-based GSC structure. As compared to the conventional 2D-GSC structure, computer simulations show that in addition to having significantly low computational complexity, the proposed adaptive approach possesses higher convergence rate.

• 2011-11-01

著者

• Wang Yung-yi

  Faculty Of Department Of Electrical Engineering Chang Gung University

• Wang Yung-yi

  Faculty Of The Department Of Electrical Engineering Chang Gung University

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