计算机科学 ›› 2017, Vol. 44 ›› Issue (1): 117-122.doi: 10.11896/j.issn.1002-137X.2017.01.023
彭颖,王高才,王淖
PENG Ying, WANG Gao-cai and WANG Nao
摘要： 数据传输能耗是移动网络能耗的重要部分,提高数据传输能耗效率是优化移动网络能耗的重要课题。考虑数据具有传输延时的要求,研究了基于数据到达速率的数据传输平均能耗最小化问题。利用无线信道质量随机变化的特征,构建基于数据到达速率的平均能耗最小化问题,然后将其转化为最优停止问题,证明最优停止规则存在。最后通过求解最优近视停止规则来获得各侦测时刻的最优传输速率阈值,实现基于数据到达速率的数据传输能耗优化策略。对提出的策略与其他策略就平均能耗、平均传递率和平均调度周期进行了仿真对比,结果表明提出的策略具有较小的平均能耗和较高的平均传递率,取得了较好的能耗优化效果。
| [1] LIN Chuang,TIAN Yuan,YAO Min.Green network and green evaluation:mechanism,modeling and evaluation [J].Chinese Journal of Computers,2011,34(4):593-612.(in Chinese) 林闯,田源,姚敏.绿色网络和绿色评价:节能机制、模型和评价[J].计算机学报,2011,34(4):593-612. [2] ZHANG F,ANTA A F,WANG L,et al.Network energy consumption models and energy efficient algorithms[J].Chinese Journal of Computers,2012,35(3):603-615.(in Chinese) 张法,Anta A F,王林,等.网络能耗系统模型及能效算法[J].计算机学报,2012,35(3):603-615. [3] GARCIA-SAAVEDRA A,SERRANO P,B ANCHS A.Energy-efficient optimization for distributed opportunistic scheduling[J].IEEE Communications Letters,2014,18(6):1083-1086. [4] POULAKIS M I,PANAGOPOULOS A D,C ONSTANTINOU P.Channel-aware opportunistic transmission scheduling for energy-efficient wireless links [J].IEEE Transactions on Vehi-cular Technology,2013,62(1):192-204. [5] PENG Ying,WANG Gao-cai,HUANG Shu-qiang,et al.An ener-gy consumption optimization strategy for data transmission based on optimal stopping theory in mobile networks [J].Chinese Journal of Computers,2016,9(6):1162-1175.(in Chinese) 彭颖,王高才,黄书强,等.移动网络中基于最优停止理论的数据传输能耗优化策略[J].计算机学报,2016,9(6):1162-1175. [6] AMIN O,LAMPE L.Opportunistic energy efficient cooperative communication [J].IEEE Wireless Communication Letters,2012,1(5):412-415. [7] ZHENG Dong,GE Wei-Yan,ZHANG Jun-Shan.Distributed opportunistic scheduling for Ad Hoc networks with random access:an optimal stopping approach [J].IEEE Transactions on Information Theory,2009,55(1):205-222. [8] MAO Wen-guang,WU Shan-shan,WANG Xu-dong.QoS-oriented distributed opportunistic scheduling for wireless networks with hybrid links [C] ∥Proceedings of the 2013 Globecom.Atlanta,USA,2013:4524-4529. [9] HayKin S,等.通信系统 [M].宋铁成,徐平平,等译.北京:电子工业出版社,2012. |
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