Closed Loop Space-Time Block Coding for Wireless Downlink Transmission

被引：0
|
作者：
李勇朝
廖桂生
王峰
机构：
[1] Xi’an 710071
[2] Xidian University
[3] China
[4] National Key Lab. for Radar Signal Processing
来源：
Railway Engineering Science | 2005年 / 01期
关键词：
Space-time block coding; Eigenbeamforming; Downlink transmission;
D O I：
暂无
中图分类号：
TN925 [无线电中继通信、微波通信];
学科分类号：
080402 ; 080904 ; 0810 ; 081001 ;
摘要：
In order to improve the poor performance of Space-Time Block Coding (STBC) in a downlink correlated fading environment, a closed loop scheme is proposed. With the known channel fading statistics fed from the receiver, eigenbeamforming is utilized to improve the performance of STBC at the transmitter. The new system achieves the array and diversity gain simultaneously. Because reduced dimension processing is adopted, the proposed system has a relative simple structure compared with the traditional beamforming system. The validity of the scheme is verified in several situations by simulation experiments.
引用
收藏
页码：18 / 22
页数：5
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