Joint Space-Time Transmitter-Receiver Beamforming

被引：0

作者：

Chen, Zhijie ^{[1
]}

Manikas, Athanassios ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept EEE, London SW7 2AZ, England

来源：

2010 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE GLOBECOM 2010 | 2010年

关键词：

MULTIUSER MIMO SYSTEMS; TRANSCEIVER OPTIMIZATION; DOWNLINK;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Joint transmitter-receiver beamforming is a powerful approach that has been considered for the downlink DS-CDMA system over frequency-selective channels and much recent effort is devoted to its integration with spatio-temporal (ST) processing. In the DS-CDMA system, the ST processing has been employed at the receiver, however, with the transmitter based on spatial-only processing (S-ST). In this paper antenna arrays with ST integration are employed at both transmitter and receiver (ST-ST) aiming at further improving the performance over S-ST in frequency-selective channels. The joint optimization problem is solved by an iterative method and a closed-form method respectively. The mean square error (MSE) of ST-ST and S-ST is derived using the closed-form solution which can be considered as an upper bound when the system is lightly loaded.

引用

页数：5

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