Channel time variation effects on transmit beamforming in the TDD mode of UMTS

被引：0
|
作者：
Andrieux, G [1 ]
Diouris, JF [1 ]
Wang, YD [1 ]
机构：
[1] Univ Nantes, Ecole Polytech, Lab UMr 6597,IRCCyN, Div SETRA, F-44306 Nantes 3, France
来源：
13TH IEEE INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, VOL 1-5, PROCEEDINGS: SAILING THE WAVES OF THE WIRELESS OCEANS | 2002年
关键词：
UMTS; TDD; downlink; antenna array; wireless communications; multipath propagation;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In cellular mobile radio systems, transmit beamforming can be used to reduce the interference in the downlink. In a Time Division Duplex (TDD) system with sufficiently short duplex period, the uplink channel estimation can be used to design the downlink beamformer. The purpose of this paper is to analyse the sensitivity of several transmit techniques to the channel variations between uplink and downlink time-slots. This analysis is done using experimental data obtained from real environments.
引用
收藏
页码：1987 / 1991
页数：5
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