Analysis of a distributed antenna system and its performance under frequency selective fading

Kiyohito Tokuda*, Shinichi Sato, Yuichi Shiraki, Atsushi Fukasawa

*この研究の対応する著者

研究成果: Article査読

2 被引用数 (Scopus)

抄録

This paper describes the performance analysis of a distributed antenna system which includes space and path diversity with radio channel estimation. This system is used for CDMA personal communication systems. In this paper, the performance of a diversity system is analyzed precisely considering multipath and inter-antenna interference. In a diversity system, the adaptive RAKE receiver which estimates the characteristics of a radio channel adaptively has been used for diversity combining. In the adaptive RAKE, the time-variant characteristic has been approximated by a time function. In this paper, the estimation performance of the adaptive RAKE is analyzed in cases of time functions of O-th, first and second degrees. The performances are evaluated and compared with the differential RAKE. The adaptive RAKE is found to improve the signal quality of more than 2 dB in comparison with the differential RAKE. It is also found that the optimum parameter design can be achieved flexibly for radio channel estimation by using higher degree time functions.

本文言語English
ページ(範囲)606-617
ページ数12
ジャーナルIEICE Transactions on Communications
E77-B
5
出版ステータスPublished - 1994 5
外部発表はい

ASJC Scopus subject areas

  • ソフトウェア
  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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