Statistical CSI-assisted multiuser scheduling in MIMO broadcast channels

被引：2
|
作者：
Lee, S. [1 ]
Thompson, J. [2 ]
Kim, J. [1 ]
机构：
[1] ETRI, Smart Radio Res Team, Taejon 305350, South Korea
[2] KB, IDCOM, Edinburgh EH9 3JL, Midlothian, Scotland
来源：
ELECTRONICS LETTERS | 2008年 / 44卷 / 20期
关键词：
Channel estimation - Codes (symbols) - Scheduling algorithms - Radio broadcasting - MIMO systems - Communication channels (information theory);
D O I：
10.1049/el:20081727
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：
A multiuser scheduling algorithm in multiple input multiple output (MIMO) broadcast channels (BCs) is presented. It is likely that there is a time difference between obtaining channel state information (CSI) and using that CSI at the transmitter. This causes mismatches of the channel estimate in a temporally correlated MIMO BC. The proposed algorithm can minimise the effect of the delay-induced channel estimation error by exploiting statistical CSI for allocating multiple users into spatio-temporal slots in a cross-layer way.
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页码：1222 / 1223
页数：2
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