Adaptive Base Station Antenna Configuration Suitable for Street Microcells Considering Propagation Environment(Regurlar Section)
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概要
- 論文の詳細を見る
The adaptive base station antenna is an attractive candidate for establishing high-speed and highly-reliable wireless communication systems. From a commercial viewpoint, since the cost and complexity of adaptive antennas depend on the number of elements, optimizing the antenna configuration while considering the propagation environment is necessary to reduce the number of elements. This paper first presents the Angle of Arrival (AOA) characteristics of delayed waves in a street microcell environment, typically used in urban microcell systems. Then the antenna configuration and antenna spacing suitable for the street microcell are investigated utilizing bit error rate (BER) performance simulations using practical delay profiles and AOAs. The effectiveness of bidirectional elements with respect to the BER performance is also investigated. As the results, we found that broadside array with the spacing of 2.5 wavelengths is suitable for adaptive base station antennas for high data-rate wireless systems placed in a street microcell environment. We also found that bidirectional elements alleviate the BER degradation due to the grating lobe of the antenna with wide element spacing without increasing the antenna size.
- 社団法人電子情報通信学会の論文
- 2003-01-01
著者
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NISHIMORI Kentaro
NTT Network Innovation Laboratories, NTT Corporation
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Cho K
Ntt Network Innovation Laboratories Ntt Corporation
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Cho Keizo
Ntt Network Innovation Laboratories Ntt Corporation
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Cho Keizo
Ntt Network Innovation Laboratories
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Hori T
Fukui University
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Nishimori K
Ntt Corp. Yokosuka‐shi Jpn
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Nishimori Kentaro
Ntt Network Innovation Laboratories Ntt Corporation
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HORI Toshikazu
Fukui University
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