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.

引用

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页码：1222 / 1223

页数：2

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