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IEICE TRANSACTIONS on Fundamentals

A New Non-Uniform Weight-Updating Beamformer for LEO Satellite Communication

Jie LIU, Zhuochen XIE, Huijie LIU, Zhengmin ZHANG

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Summary :

In this paper, a new non-uniform weight-updating scheme for adaptive digital beamforming (DBF) is proposed. The unique feature of the letter is that the effective working range of the beamformer is extended and the computational complexity is reduced by introducing the robust DBF based on worst-case performance optimization. The robust parameter for each weight updating is chosen by analyzing the changing rate of the Direction of Arrival (DOA) of desired signal in LEO satellite communication. Simulation results demonstrate the improved performance of the new Non-Uniform Weight-Updating Beamformer (NUWUB).

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E99-A No.9 pp.1708-1711
Publication Date
2016/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E99.A.1708
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Jie LIU
  Chinese Academy of Sciences
Zhuochen XIE
  Chinese Academy of Sciences
Huijie LIU
  Chinese Academy of Sciences
Zhengmin ZHANG
  Chinese Academy of Sciences

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