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As renewable energy is intermittent and randomly distributed, it is difficult for energy harvesting enabled networks to reliably supply the time-varying mobile traffic. We propose a brand new approach of energy sharing and load shifting to overcome this issue. In this paper, we first investigate the user association (UA) problem with energy cooperation to minimize the grid energy expenditure of heterogeneous...
We study the user association problem targeting on the throughput optimization for energy harvesting (EH) relay-assisted cellular networks where the base stations (BSs) are powered by grid power and the relay stations (RSs) are powered by renewable energy. Since the harvested energy of RS is stochastic and not always large enough, our challenge is how to match the user association with the energy...
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