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On the Sum-Rate Capacity of Multi-User Distributed Antenna System with Circular Antenna Layout Jiansong GAN Shidong ZHOU Jing WANG Kyung PARK Publication IEICE TRANSACTIONS on Communications Vol.E89-B No.9 pp.2612-2616 Publication Date: 2006/09/01 Online ISSN: 1745-1345 DOI: 10.1093/ietcom/e89-b.9.2612 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Fundamental Theories for Communications Keyword: distributed antenna system (DAS), multiple-access channel (MAC), sum-rate capacity, random matrix theory, Full Text: PDF(188.3KB)>>
Summary: In this letter, we investigate the sum-rate capacity of a power-controlled multi-user distributed antenna system (DAS) with antennas deployed symmetrically on a circle. The sum-rate capacity, when divided by user number, is proved to converge to an explicit expression as user number and antenna number go to infinity with a constant ratio. We further show how this theoretical result can be used to optimize antenna deployment. Simulation results are also provided to demonstrate the validity of our analysis and the applicability of the asymptotic results to a small-scale system. | |||||
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