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Multicarrier energy allocation for differentiated QoS provision and dynamic range reduction

Effective energy allocation in a multicarrier communication system for differentiated quality of services (QoS) provision and transmit power dynamic range reduction is investigated in this work. Two different methods are analyzed and compared. The first one is to partition data classes and use their importance weights to develop a multiclass allocation scheme. The second one is to perform a single class allocation scheme at each time slot. A closed-form energy allocation algorithm is developed for fast implementation. The advantage of using multiclass allocation in dynamic range reduction is quantified. This reduction leads to smaller RF output power as well as DC power required by the system. Both theoretical and simulation results are presented in to demonstrate performance