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Lookup NU author(s): Dr Lei Li,
Dr K Zhang,
Dr Zhiguo Ding
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© 2014 IEEE. Energy harvesting is necessary to make the wireless network self-sustaining and self-organizing regardless of the traditional power grid. How to allocate the limited radio resources in the energy harvesting wireless network is a challenging work. This paper focuses on optimizing the time and power related resources in the multi-cell scenario to maximize the throughput constraining of the changeable energy in the base station. The optimal off-line resource allocation strategy is proposed, based on analysis of structural properties of the optimal total power sequences. To decrease the complexity of the optimal solution, a low complexity suboptimal off-line algorithm is presented based on the nature of the concave function. Furthermore, inspired by the off-line algorithm, an on-line resource allocation algorithm is proposed as well. Simulation results show the suboptimal offline algorithm closely tracks the performance of the optimal solution. And the proposed on-line algorithm also has brilliant performance compared with several kinds of algorithms under different system settings.
Author(s): Li L, Peng M, Jiang J, Zhang K, Jin H, Ding Z
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: IEEE Wireless Communications and Networking Conference (WCNC)
Year of Conference: 2014
Online publication date: 20/11/2014
Acceptance date: 01/01/1900
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