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Combining Techniques for Spatial-Domain Path-Diversity Using an Adaptive Array

Kenzaburoh FUJISHIMA, Yasuhiko TANABE, Toshihiko NISHIMURA, Yasutaka OGAWA, Takeo OHGANE

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Summary :

Frequency-selective fading due to multipath propagation is serious hindrance in high-speed TDMA mobile communications. An adaptive antenna has been proposed to reduce the frequency-selective fading and realize path-diversity. This paper presents a criterion which selects multipath signals and weighting factors for combining them. First, we describe a selection criterion which chooses the multipath signals for the path-diversity. We propose a ratio of signal power to error power for the criterion. Furthermore, we propose weighting factors which realize approximately the maximal ratio combining. Computer simulation results show that the proposed selection criterion and weighting factors reveal excellent performance.

Publication
IEICE TRANSACTIONS on Communications Vol.E83-B No.12 pp.2593-2599
Publication Date
2000/12/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Wireless Communication Technology

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