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A Novel Evaluation Method for the Downlink Capacity of Distributed Antenna Systems Wei FENG Yifei ZHAO Ming ZHAO Shidong ZHOU Jing WANG Minghua XIA Publication IEICE TRANSACTIONS on Communications Vol.E92-B No.6 pp.2226-2230 Publication Date: 2009/06/01 Online ISSN: 1745-1345 DOI: 10.1587/transcom.E92.B.2226 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Fundamental Theories for Communications Keyword: distributed antenna system (DAS), downlink capacity, random matrix theory, iterative method, Full Text: PDF>>
Summary: This letter focuses on the simplified capacity evaluation for the downlink of a distributed antenna system (DAS) with random antenna layout. Based on system scale-up, we derive a good approximation of the downlink capacity by developing the results from random matrix theory. We also propose an iterative method to calculate the unknown parameters in the approximated expression of the downlink capacity. The approximation is illustrated to be quite accurate and the iterative method is shown to be quite efficient by Monte Carlo simulations. | |||||
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