Performance analysis and optimization for downlink distributed MIMO systems

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Abstract

In this paper, we analyze and optimize the ergodic capacity for a downlink multi-cell multi-user distributed multiple input multiple output (MIMO) system. We first derive the system ergodic capacity by using the approximated Gamma distribution. In order to maximize the system capacity, an optimization problem with respect to the number of remote access unit (Rau) antennas and the number of users is formulated. Then an iteration algorithm is proposed to obtain the optimization configuration of Rau antennas and users. Our simulation results show that the proposed algorithm can obtain the optimal configuration of Rau antennas and supportable users to maximize the system ergodic capacity.

Original languageEnglish
Title of host publicationProceedings - 20th International Symposium on Wireless Personal Multimedia Communications, WPMC 2017
PublisherIEEE Computer Society
Pages481-486
Number of pages6
ISBN (Electronic)9781538627679
DOIs
StatePublished - 2 Jul 2017
Event20th International Symposium on Wireless Personal Multimedia Communications, WPMC 2017 - Bali, Indonesia
Duration: 17 Dec 201720 Dec 2017

Publication series

NameInternational Symposium on Wireless Personal Multimedia Communications, WPMC
Volume2017-December
ISSN (Print)1347-6890

Conference

Conference20th International Symposium on Wireless Personal Multimedia Communications, WPMC 2017
Country/TerritoryIndonesia
CityBali
Period17/12/1720/12/17

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