Multiuser MIMO Scheduling for LTE-A Downlink Cellular Networks

被引：0
|
作者：
Fan, Jiancun [1 ]
Li, Geoffrey Ye [2 ]
Zhu, Xiaolong [3 ]
机构：
[1] Xi An Jiao Tong Univ, Sch EIE, Xian 710049, Peoples R China
[2] Georgia Inst Technol, Sch ECE, Atlanta, GA 30332 USA
[3] Huawei Shanghai Res Inst, Shanghai, Peoples R China
来源：
2014 IEEE 79TH VEHICULAR TECHNOLOGY CONFERENCE (VTC-SPRING) | 2014年
关键词：
PERFORMANCE;
D O I：
暂无
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：
In this paper, we investigate multiuser MIMO scheduling in LTE downlink cellular networks. We formulate the downlink LTE-A MIMO scheduling as a weighted sum rate maximization problem by allocating the RBs to users or user pairs subject to some constraints in LTE-A. We develop a low-complexity MU-MIMO scheduling and resource allocation algorithm and propose an adaptive switching approach between SU-MIMO and MU-MIMO to improve network performance. System-level simulation results demonstrate significantly performance improvement of the proposed MU-MIMO scheduling algorithm and the adaptive switching algorithm.
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收藏
页数：5
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