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http://dx.doi.org/10.7840/KICS.2011.36A.4.318

On The performance of Coordinated Random Beamforming Schemes in A Two-Cell Symmetric Interference Channel  

Yang, Jang-Hoon (한독미디어 대학원 대학교 뉴미디어학부)
Chae, Hyun-Jin (연세대학교 전기전자공학과)
Kim, Yo-Han (삼성전자)
Kim, Dong-Ku (연세대학교 전기전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.36, no.4A, 2011 , pp. 318-324 More about this Journal
Abstract
In this paper, three coordinated random beamforming (CRBF) schemes are analyzed in a two-cell symmetric interference channel. A simple partial coordination of RBF with base station selection (BSS) is shown to achieve the same average sum rate performance of CRBF with joint encoding (JE). To improve the sum rate performance further, we also propose a transmission mode selection (TMS) between the BSS and JE which is shown to have additional sum rate gain for the large number of users. Simulation results verify the eectiveness of the proposed CRBF schemes and accuracy of the proposed analysis.
Keywords
MIMO; network MIMO; Cell Coordination; limited feedback; precoding;
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