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Energy Efficiency Based on Joint Data Packet Fragmentation and Cooperative Transmission 被引量:3
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作者 ZHANG Zufan YI Yinxue YANG Jing JING Xiaorong 《China Communications》 SCIE CSCD 2014年第10期96-105,共10页
Energy efficiency(EE) is a key requirement for the design of short-range communication network.In order to alleviate energy consumption(EC) constraint,a novel layered heterogeneous mobile cloud architecture is propose... Energy efficiency(EE) is a key requirement for the design of short-range communication network.In order to alleviate energy consumption(EC) constraint,a novel layered heterogeneous mobile cloud architecture is proposed in this paper.Based on the proposed layered heterogeneous mobile cloud architecture,we establish an appropriate energy consumption model,and design an energy efficiency scheme based on joint data packet fragmentation and cooperative transmission and analyze the energy efficiency corresponding to different packet sizes and the cloud size.Simulation results show that,when all nodes of the cloud are accessing the same size of data packet fragmentation,the proposed layered heterogeneous mobile cloud architecture can provide significant energy savings.The results provide useful insights into the possible operation of the strategies and show that significant energy consumption reductions are possible. 展开更多
关键词 layered heterogeneous mobilecloud energy efficiency data packetfragmentation cooperative transmission
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大规模天线下能量广播方法
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作者 赵龙 赵慧 郑侃 《北京邮电大学学报》 EI CAS CSCD 北大核心 2016年第2期77-81,共5页
为了提高大规模天线能量广播系统的平均用户能量收获效用,在采用最大比传输预编码下,利用大规模天线的性质推导了单能量源场景的最优功率分配方案,利用小区间干扰提出了多能量源协作传输方法,并给出了协作能量传输的最优功率分配方案.... 为了提高大规模天线能量广播系统的平均用户能量收获效用,在采用最大比传输预编码下,利用大规模天线的性质推导了单能量源场景的最优功率分配方案,利用小区间干扰提出了多能量源协作传输方法,并给出了协作能量传输的最优功率分配方案.仿真结果表明,在单能量源中,所提功率分配方案的性能好于等功率分配方案的性能,协作能量传输方案的性能优于非协作能量传输方案的性能. 展开更多
关键词 大规模天线 最大比传输 能量收获 协作能量传输
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