Power based scheduling for Collaborative MIMO system 


Vol. 33,  No. 12, pp. 1209-1216, Dec.  2008


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  Abstract

In order to maximize spectrum efficiency and data rate MIMO(Multiple Input Multiple Output) is adopted to wireless system. OFDM-based WiMAX and LTE accommodate MIMO as mandatory technology. STC(Space Time Coding) and SM(Spatial Multiplexing) are used in downlink while in uplink C-MIMO(Collaborative MIMO) is used to improve data throughput. In this paper conventional pairing schemes, RPS(Random Pairing Scheduling) and DPS(Determinant Pairing Scheduling) are analyzed. From the analysis the performance of DPS algorithm is better than that of RPS because DPS measures orthogonal factor between paired users. However, there are potential problems such as hardware complexity and performance. To overcome the issues Power-Based Scheduling(PBS) algorithm is proposed for C-MIMO. PBS can provide higher performance compared to RPS and dramatically reduce hardware complexity compared to DPS

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  Cite this article

[IEEE Style]

Y. Kim, J. Lee, D. Baik, "Power based scheduling for Collaborative MIMO system," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 12, pp. 1209-1216, 2008. DOI: .

[ACM Style]

Young-Joon Kim, Jung-Seung Lee, and Doo-Kwon Baik. 2008. Power based scheduling for Collaborative MIMO system. The Journal of Korean Institute of Communications and Information Sciences, 33, 12, (2008), 1209-1216. DOI: .

[KICS Style]

Young-Joon Kim, Jung-Seung Lee, Doo-Kwon Baik, "Power based scheduling for Collaborative MIMO system," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 12, pp. 1209-1216, 12. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880