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Performance of a Base Station Feedback-Type Adaptive Array Antenna with Mobile Station Diversity Reception
Jeongkeun CHOI Yoshihiko AKAIWA
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.5
pp.2081-2086 Publication Date: 2005/05/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.5.2081 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: feedback-type AAA, diversity reception, fading, co-channel interference,
Full Text: PDF(789.6KB)>>
Summary:
In the cellular mobile communication systems, co-channel interference and Rayleigh fading degrade the transmission performance. Adaptive Array Antenna (AAA) can suppress interference and, at the same time, can cope with multi-path fading by using a wide antenna spacing resulting in low correlation of received signals in each antenna element. A feedback-type AAA was proposed for frequency division duplexed (FDD) systems, where mobile station measures channel characteristics and feed-backs them to the base station. In this paper, we extend the system by introducing 2-branch diversity reception at a mobile station, and study the influence of antenna element spacing at the base station and control delay time on bit error rate performance under a realistic propagation model.
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