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In order to reduce the energy consumption of cellular networks, the possibility of turning off base stations under off-peak time has been focused in recent years. However, traffic in cellular networks is always under fluctuation which leads to the sleeping mechanisms which is based on deterministic traffic variation pattern unsuitable. In this paper, a base station sleeping mechanism based on traffic...
In this paper, a resource allocation algorithm for maximizing energy efficiency (EE) is studied in multi-cell orthogonal frequency division multiple access (OFDMA) wireless networks. The resource allocation is designed based on imperfect channel state information (CSI). We formulate the resource allocation problem as a mixed non-convex probabilistic optimization problem. The user scheduling, data...
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