基于用户体验质量和系统能耗的异构网络联合接入选择和功率分配策略

doi:10.11959/j.issn.1000-0801.2017251

Abstract

Abstract:

Based on multi-objective optimization,a joint user association and power control scheme was proposed in heterogeneous network environment,aiming to reduce the system energy consumption and improve user quality of experience.The scheme took the system energy consumption minimum and the average user quality of experience maximum as objective functions and translated the joint user association and power control to multi-objective problem.Then,the differential evolution optimization algorithm and TOPSIS algorithm was used to solve the multi-objective problem.Simulation results show that the scheme can efficiently reduce the system energy consumption and improve the user quality of experience.

Key words: heterogeneous network, user quality of experience, energy consumption, user association, power control

CLC Number:

TN929.5

Shiyu JI,Liangrui TANG,Shuxian LI,Shimo DU. Joint user association and power control scheme based on energy consumption and QoE in heterogeneous network[J]. Telecommunications Science, 2017, 33(11): 47-55.

Figures/Tables 7

References 22

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MOS区间	用户感受
1,2)	十分不满意
2,3)	不满意
3,4)	满意
4,5]	十分满意

仿真参数	宏蜂窝	微蜂窝
总带宽/MHz	10	10
天线增益	2	2
最大发射功率/dBm	43	33
覆盖半径/m	500	50
用户接收信号处理功率/mW	5～30
高斯白噪声密度/(dBm·Hz^-1)	-174

Joint user association and power control scheme based on energy consumption and QoE in heterogeneous network

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