توضیحات
THE fifth generation (5G) mobile networks are expected to support high throughputs for a wide variety of services
with diverse quality-of-service (QoS) requirements, ranging from tactile internet with 1 ms latency to video streaming with much less stringent delay requirement [1], [2]. To support the ever-growing traffic demands with satisfactory user experience and to reduce the cost and global carbon dioxide emissions, energy efficiency (EE) has become one of the major design goals for 5G systems. To meet the possibly conflicting performance metrics, several fundamental tradeoffs need careful examination [3], among which the EE/power-delay tradeoff
has drawn significant attention over the past decade. This is because delay is a representative QoS requirement that is more Manuscript received March 6, 2015; revised August 10, 2015, December 15, 2015, and May 26, 2016; accepted August 3, 2016. Date of publication August 10, 2016; date of current version November 9, 2016. This work was supported in part by China NSFC under Grant 61120106002 and in part by the 973 Program under Grant 2012CB316003. The associate editor coordinating the review of this paper and approving it for publication
was M. C. Gursoy.The authors are with the School of Electronics and Information Engineering, Beihang University, Beijing 100191, China (e-mail: cyshe@buaa.edu.cn; cyyang@buaa.edu.cn). Color versions of one or more of the figures in this paper are available
By:Changyang She
File Information :English Language /14 Page /size :700K
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کاری از :Changyang She
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