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[会议论文]

Uplink Resource Allocation in Mobile Edge Computing-Based Heterogeneous Networks with Multi-Band RF Energy Harvesting

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author:

Zhao, Yisheng (Zhao, Yisheng.) [1] (Scholars:赵宜升) | Leung, Victor C. M. (Leung, Victor C. M..) [2] | Gao, Hui (Gao, Hui.) [3] | Unfold

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CPCI-S

Abstract:

Resource allocation in mobile edge computing (MEC)-based wireless networks with energy harvesting has attracted great attention. However, existing works assume that mobile devices are stationary while harvesting energy. In this paper, an uplink resource allocation strategy is developed in MEC-based heterogeneous networks. A random mobility model is designed to describe the movement of the user equipment (UE). Meanwhile, the UE can harvest energy from six frequency bands while moving along a certain path. The energy harvesting model of the UE is given by an integral expression. The objective of the resource allocation problem is to maximize the energy efficiency (EE) under the constraints of energy consumption, total data rate requirement, sub-carrier allocation, and transmission power. A quantum-behaved particle swarm optimization (QPSO) algorithm is employed to obtain a sub-optimal solution. Numerical results show that the amount of energy harvested by the UE decreases as the moving speed increases. Moreover, the QPSO algorithm has higher EE than an existing particle swarm optimization algorithm.

Community:

  • [ 1 ] [Zhao, Yisheng]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou, Peoples R China
  • [ 2 ] [Chen, Zhonghui]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou, Peoples R China
  • [ 3 ] [Leung, Victor C. M.]Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC, Canada
  • [ 4 ] [Gao, Hui]Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing, Peoples R China
  • [ 5 ] [Ji, Hong]Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Universal Wireless Commun, Beijing, Peoples R China

Reprint 's Address:

  • 赵宜升

    [Zhao, Yisheng]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou, Peoples R China

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Source :

2018 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC)

ISSN: 1550-3607

Year: 2018

Language: English

Cited Count:

WoS CC Cited Count: 12

30 Days PV: 0

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