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- W2023232495 abstract "The explosive growth of high-data-rate multimedia services, with diverse quality-of-service (QoS) requirements, in wireless networks will lead to enormous energy consumption. Thus, the main challenge in designing recent wireless networks is to utilize network resources as efficiently as possible while ensuring the QoS for users. In this paper, we investigate the energy-efficient power allocation with QoS considered in the downlink of wireless multimedia networks with orthogonal frequency division multiple access (OFDMA). Firstly, energy-efficient power allocation problem is molded as the maximization of energy efficiency (EE) under different QoS requirements. Subsequently, an energy-efficient power allocation algorithm with chaotic particle swarm optimization (CPSO) is proposed. Finally, simulation results show that the proposed algorithm can converge much faster, compared with water-filling power allocation (WFPA), but both of them improve the EE greatly, compared with equal-power power allocation (EPPA)." @default.
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- W2023232495 date "2014-09-01" @default.
- W2023232495 modified "2023-09-23" @default.
- W2023232495 title "Energy-efficient power allocation with QoS guarantee in OFDMA wireless networks" @default.
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- W2023232495 doi "https://doi.org/10.1109/wpmc.2014.7014810" @default.
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