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Title: Rate-and-Power Control Based Energy-Saving Transmissions in OFDMA-Based Multicarrier Base Stations
Authors: Yao-Liang Chung
Contributors: 國立臺灣海洋大學:通訊與導航工程系
Date: 2015-06
Issue Date: 2018-09-07T08:01:52Z
Publisher: IEEE Systems Journal (Full Paper)
Abstract: Abstract: In parallel with the amazing increase in mobile data traffic, the fast-growing requirement and development of the green communication technology have led to many energy-saving designs in mobile networks. Meanwhile, as advanced cellular technologies progress, more than one component carrier (CC) can now be jointly utilized in a base station (BS). As a result, the energy consumption of the BS has become an important concern. In this paper, a novel green rate-and-power control transmission scheme is therefore proposed for the BS transmission to address the problem of energy minimization at BS transceivers subject to certain quality-of-service and fairness requirements for all users. Communication activities in downlink transmissions of the BS with orthogonal frequency-division multiple access-based multi-CCs are considered. Simulation results demonstrate that the energy consumption of the proposed novel energy-saving scheme is much better than that of existing schemes, when all schemes satisfy the same constraints.
Relation: 9(2) pp.578-584
Appears in Collections:[Department of Communications Navigation and Control Engineering] Periodical Articles

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