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High-Resolution Analysis of Indoor Multipath Propagation Structure

Yasutaka OGAWA, Norihiro HAMAGUCHI, Kohzoh OHSHIMA, Kiyohiko ITOH

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Summary :

Analyzing multipath propagation structure is important to develop anti-fading techniques for high-speed digital radio systems. Several techniques have been employed to measure delay profiles and/or arrival angles. This paper presents a simultaneous estimation method of delay times and arrival angles of indoor multipath waves. We obtain frequency-domain data at different receiving antenna positions using a network analyzer. We estimate the propagation parameters by means of a two-dimensional MUSIC algorithm. In order to obtain reliable results, a two-dimensional discrete inverse Fourier transform and a gating technique are employed before the MUSIC algorithm. Simulation and experimental results show that the proposed method can estimate the propagation parameters properly.

Publication
IEICE TRANSACTIONS on Communications Vol.E78-B No.11 pp.1450-1457
Publication Date
1995/11/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Adaptive Signal Processing Technology in Antennas)
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