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A Spatial Domain Interference Canceller Using a Multistage Adaptive Array with Precise Timing Estimation

Toshihiko NISHIMURA, Yasuhiko TANABE, Takeo OHGANE, Yasutaka OGAWA, Yoshiharu DOI, Jun KITAKADO

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Summary :

In SDMA, a spatial domain interference canceller applying a multistage processing concept to the MMSE multibeam adaptive array has an attractive feature. Weak power signals strongly interfered can be detected in the succeeded stages after removing other strong power signals which are already detected. This idea can be enhanced to the reference timing estimation required in the MMSE algorithm. In this paper, the spatial domain interference canceller introducing multistage timing estimation is proposed and its performance is evaluated by computer simulations. The results show that the timing estimation performance highly improved.

Publication
IEICE TRANSACTIONS on Communications Vol.E84-B No.7 pp.1735-1742
Publication Date
2001/07/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category
Adaptive Algorithms and Experiments

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