Block Adaptive Beamforming via Parallel Projection Method(Antennas and Propagation)

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概要

• 論文の詳細を見る

• This paper addresses a simple, and yet effective approach to the design of block adaptive beamformers via parallel projection method (PPM), which is an extension of the classic projection onto convex set (POCS) method to inconsistent sets scenarios. The proposed approach begins with the construction of the convex constraint sets which the weight vector of the adaptive beamformer lies in. The convex sets are judiciously chosen to force the weights to possess some desirable properties or to meet some prescribed rules. Based on the minimum variance criterion and a fixed gain at the look direction, two constraint sets including the minimum variance constraint set and the gain constraint set are considered. For every input block of data, the weights of the proposed beamformer can then be determined by iteratively projecting the weight vector onto these convex sets until it converges. Furnished simulations show that the proposed beamformer provides superior performance compared with previous works in various scenarios but yet in general with lower computational overhead.

• 社団法人電子情報通信学会の論文
• 2005-03-01

著者

• Fang Wen

  Department Of Electronic Engineering National Taiwan University Of Science And Technology

• LU CHUN

  Department of Biochemistry, Memorial University of Newfoundland

• HUNG Hsien

  Dept. of Electrical Engineering, National Taiwan Ocean University

• CHU Ping

  Department of Electronic Engineering, National Taiwan University of Science and Technology

• Chu Ping

  Department Of Electronic Engineering National Taiwan University Of Science And Technology

• Lu Chun

  Department Of Electronic Engineering National Taiwan University Of Science And Technology

• Hung Hsien

  Dept. Of Electrical Engineering National Taiwan Ocean University

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