A novel adaptive MIMO precoding scheme for VBLAST systems

被引：0
|
作者：
Zhu, Y [1 ]
Zhou, SD [1 ]
Wang, J [1 ]
Jiang, JJ [1 ]
机构：
[1] Tsing Hua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
2004 JOINT CONFERENCE OF THE 10TH ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS AND THE 5TH INTERNATIONAL SYMPOSIUM ON MULTI-DIMENSIONAL MOBILE COMMUNICATIONS, VOLS 1 AND 2, PROCEEDINGS | 2004年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we develop a new adaptive spacetime signaling scheme by using the optimal precoder and constellation rotation. Our approach sufficiently utilize both the channel state information (CSI) and the constellation of the information streams to optimize the overall system. We also find that some precoders can be greatly enhanced by the constellation rotation,, while others achieve nearly no improvement. We give an explanation to this phenomenon and therefore develop some criteria to design the combination of them. Numerical simulations are presented and verify our results.
引用
收藏
页码：170 / 173
页数：4
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