Distributed Uplink Base Station Cooperation for Optimal SIR Assignment

被引：0
|
作者：
Hadisusanto, Yosia [1 ]
Thiele, Lars [1 ]
Jungnickel, Volker [1 ]
机构：
[1] Fraunhofer German Sino Lab Mobile Commun MCI, D-10587 Berlin, Germany
来源：
2010 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC 2010) | 2010年
关键词：
CELLULAR RADIO SYSTEMS; POWER-CONTROL;
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：
Base station cooperation is considered as a promising approach to increase the quality of service (QoS) in uplink. Base stations are connected via high-capacity backhaul links, which makes it possible to perform joint detection through information sharing among several base stations. Joint detection broadens the feasible signal to interference ratio (SIR) region, in which any SIR assignment for all users can be concurrently supported. Thus it provides a higher system throughput. We characterized the Pareto-optimal boundary of the feasible SIR region of power control with base station cooperation by utilizing the property of concave interference function. We suggest a distributed power control algorithm that exploits the broader feasible SIR region and optimizes the SIR assignment. Depending on the feasibility of the network to support cooperation, we analyze 3 degrees of cooperation: no cooperation, limited cooperation, and full cooperation.
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页数：6
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