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On Power Consumption of Multi-user Distributed Wireless Communication Systems

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4 Author(s)
Wei Feng ; Dept. of Electron. Eng., Tsinghua Univ., Beijing, China ; Yunzhou Li ; Shidong Zhou ; Jing Wang

In this paper, we focus on the downlink performance of a multi-user distributed wireless communication system(DWCS). The power consumption of each network-side antenna element is investigated. Without loss of insights, the single antenna mobile terminals are considered, and a simple antenna selection scheme is adopted, based on which each mobile terminal is served by only the network-side antenna element with the strongest channel gain. By assuming ideal joint processing on the network side, we derive the relationship between the power consumption and the worst-point signal to interference and noise ratio (WP-SINR) theoretically. Compared with the co-located antenna system (CAS) and the distributed antenna system (DAS), the power consumption of a DWCS is greatly reduced for the same guaranteed WP-SINR. Thus, DWCS is concluded as a promising power-efficient green radio system.

Published in:

Communications and Mobile Computing (CMC), 2010 International Conference on  (Volume:2 )

Date of Conference:

12-14 April 2010

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