Joint Scheduling and Power Control in Coordinated Multi-Point Clusters

被引：0
|
作者：
Li, Jingya [1 ]
Svensson, Tommy [1 ]
Botella, Carmen [1 ]
Eriksson, Thomas [1 ]
Xu, Xiaodong [2 ]
Chen, Xin [2 ]
机构：
[1] Chalmers Univ Technol, Signals & Syst, S-41296 Gothenburg, Sweden
[2] Beijing Univ Posts & Telecommun, Minist Educ, WTI Lab, Key Lab UWC, Beijing, Peoples R China
来源：
2011 IEEE VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL) | 2011年
关键词：
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 address the problem of designing a joint scheduling and power control algorithm in a downlink coordinated multi-point (CoMP) cluster supporting CoMP joint transmission. The objective is to maximize the cell-edge throughput under per-point power constraints. By an analytical derivation, binary power control is proved to be the optimal solution for any given selected user group. Utilizing this analytical result, a centralized and a semi-distributed version of joint user selection and power control algorithms are proposed. Compared to algorithms without considering joint transmission and algorithms without considering power control, simulation results show that the proposed algorithms achieve a good trade-off between joint transmission and interference coordination, which helps to improve the cell-edge performance.
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页数：5
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