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A Base Station Clustering Method Based on Sequential Selection Approach  

Yoo, Hyung-Gil (Department of Electronic Engineering, Sogang University)
Sung, Won-Jin (Department of Electronic Engineering, Sogang University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.48, no.9, 2011 , pp. 1-9 More about this Journal
Abstract
In this paper, we propose an efficient method to create clusters of geographically distributed base stations which cooperatively transmit signals in cellular mobile communication systems. The proposed method utilizes a sequential selection approach to choose candidate base stations which can provide maximum weighted sum-rate gain when they participate in the cooperative transmission with the existing cluster. In particular, the proposed method limits the maximum number of base stations in a cluster by considering the system operational and implementation complexities. Moreover, the combinations of clusters dynamically change along with variations of channel environments. Through computer simulations, performance of the proposed method is verified by comparing with the non-cooperative transmission method and the static clustering method. Numerical result shows that the proposed sequential selection based clustering method is especially advantageous for the performance improvement of lower percentile users in terms of average throughput, and thus the proposed method can effectively improve the fairness among users.
Keywords
다중 사용자 MIMO;기지국 클러스터;가중합 전송률 최대화;협력전송 시스템;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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