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Energy Efficiency and Capacity Tradeoff in Cloud Radio Access Network of High-Speed Railways
Mobile Information Systems
To meet the increasing demand of high-data-rate services of high-speed railway (HSR) passengers, cloud radio access network (C-RAN) is proposed. This paper investigates the tradeoff between energy efficiency (EE) performance and capacity in C-RAN of HSR. Considering that the train location can be predicted, we propose a predictable path loss based time domain power allocation method (PPTPA) to improve EE performance of HSR communication system. First, we consider that the communication systemdoi:10.1155/2017/5816862 fatcat:677otos7enfg5nofig4xnt4czu