Benben Wen

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In this paper, by maximizing the energy efficiency (EE), an optimal power allocation scheme is developed for downlink distributed antenna system (DAS). Different from conventional optimal power allocation schemes that need iterative calculation, the developed scheme can provide closed-form power allocation and no iteration is required. Based on the(More)
This paper investigates the energy efficiency (EE) of distributed antenna system (DAS) with continuous-rate adaptive modulation (CAM) under different quality of service requirements, and develops adaptive power allocation (PA) schemes for DAS. Firstly, the EE for DAS with CAM is presented. By maximizing the EE subject to the maximum transmit power, target(More)
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