AN UPLINK USER SELECTION SCHEME BASED ON PF CRITERION FOR MULTI-USER MIMO SYSTEMS IN LTE-A

被引：0
|
作者：
Li, Zhi [1 ]
Du, Ying [2 ]
Feng, Chunyan [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100876, Peoples R China
[2] China Acad Telecommun Res, Minist Ind & Informat Technol, Beijing, Peoples R China
来源：
PROCEEDINGS OF 2011 INTERNATIONAL CONFERENCE ON COMMUNICATION TECHNOLOGY AND APPLICATION, ICCTA2011 | 2011年
关键词：
LTE-A; Multi-user MIMO; User Scheduling; PF criterion;
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：
An uplink multi-user multi-input multi-output (MIMO) user selection scheme is proposed for Long Term Evolution-Advanced (LTE-A) system. The centralized resource allocation in LTE-A uplink channel is the prerequisite of the scheduling process. The first user on the Resource Block (RB) is selected by Proportion Fair (PF) algorithm at the base station (BS), and the paring users is selected by improved PF (IPF) algorithm which includes interference-weighted factor (IWF). IWF is calculated by BS as a part of priority factor used for selecting the paring user, it can properly reflect the interference of sector-edge users and the probability of selecting sector-edge users is bigger. Simulation results show that the proposed algorithm can obviously improve user fairness and maintain the system throughput.
引用
收藏
页码：121 / 125
页数：5
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