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Joint Angle and Delay Estimation (JADE) in Antenna Array CDMA Systems 被引量：1

Joint Angle and Delay Estimation (JADE) in Antenna Array CDMA Systems
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摘要 The estimate of signals parameters is very important in wireless communications. In this paper, we combine subspace based blind channel estimation algorithm with the extension of the JADE WSF algorithm to jointly estimate the Angles of Arrival ( AOAs ) and delays of multipath signals arriving at an antenna array in Code Division Multiple Access ( CDMA ) systems. Our approach uses a collection of estimates of a consistent chip sample of space time vector channel. The channel estimates are assumed to have constant path AOA and delay over a finite number of symbols. Unlike the traditional MUltiple SIgnal Classification ( MUSIC ) and Estimation of Signal Parameters via Rotational Invariance Techniques ( ESPRIT ) algorithms for the estimation of signals parameters, the proposed method can work when the number of paths exceeds the number of antennas. The Cramer Rao Bound ( CRB ) and simulations are provided. The estimate of signals parameters is very important in wireless communications. In this paper, we combine subspace based blind channel estimation algorithm with the extension of the JADE WSF algorithm to jointly estimate the Angles of Arrival ( AOAs ) and delays of multipath signals arriving at an antenna array in Code Division Multiple Access ( CDMA ) systems. Our approach uses a collection of estimates of a consistent chip sample of space time vector channel. The channel estimates are assumed to have constant path AOA and delay over a finite number of symbols. Unlike the traditional MUltiple SIgnal Classification ( MUSIC ) and Estimation of Signal Parameters via Rotational Invariance Techniques ( ESPRIT ) algorithms for the estimation of signals parameters, the proposed method can work when the number of paths exceeds the number of antennas. The Cramer Rao Bound ( CRB ) and simulations are provided.
作者 YANYu-ping LIUZe-min
机构地区 SchoolofTelecommunicationEngineering SchoolofTelecommunicationEngineering
出处 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2002年第2期13-16,61,共5页 中国邮电高校学报（英文版）
关键词 CDMA blind channel identification JADE WSF CRB CDMA blind channel identification JADE WSF CRB
分类号 TN929.533 [电子电信—通信与信息系统]
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参考文献15

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同被引文献14

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  • 103GPP TS 25.102.UTRA (UE) TDD; radio transmission and reception [S].2004.

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The Journal of China Universities of Posts and Telecommunications
2002年 第2期

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