Resource Allocation for Energy Harvesting-Powered D2D Communication Underlaying UAV-Assisted Networks

Haichao Wang, Jinlong Wang, Guoru Ding, Le Wang, Theodoros Tsiftsis, Prabhat Kumar Sharma

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

In this paper, we investigate the resource allocation problem for unmanned aerial vehicle (UAV)-assisted networks, where a UAV acting as an energy source provides radio frequency energy for multiple energy harvesting-powered device-to-device (D2D) pairs with much information to be transmitted. The goal is to maximize the average throughput within a time horizon while satisfying the energy causality constraint under a generalized harvest-transmit-store model, which results in a non-convex problem. By introducing the Lagrangian relaxation method, we analytically show that the behavior of all D2D pairs at each time slot is exclusive: harvesting energy or transmitting information signals. The formulated non-convex optimization problem is thus transformed into a mixed integer nonlinear programming (MINIP). We then design an efficient resource allocation algorithm to solve this MINIP, where D.C. (difference of two convex functions) programming and golden section method are combined to achieve a suboptimal solution. Furthermore, we provide an idea to reduce the computational complexity for facilitating the application in practice. Simulations are conducted to validate the effectiveness of the proposed algorithm and evaluate the system throughput performance.

Original languageEnglish
Pages (from-to)14-24
Number of pages11
JournalIEEE Transactions on Green Communications and Networking
Volume2
Issue number1
DOIs
Publication statusPublished - Mar 1 2018

Fingerprint

Energy harvesting
Nonlinear programming
Unmanned aerial vehicles (UAV)
Resource allocation
Throughput
Communication
Computational complexity

Keywords

  • Device-to-device
  • energy harvesting
  • resource allocation
  • unmanned aerial vehicle

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Renewable Energy, Sustainability and the Environment

Cite this

Resource Allocation for Energy Harvesting-Powered D2D Communication Underlaying UAV-Assisted Networks. / Wang, Haichao; Wang, Jinlong; Ding, Guoru; Wang, Le; Tsiftsis, Theodoros; Sharma, Prabhat Kumar.

In: IEEE Transactions on Green Communications and Networking, Vol. 2, No. 1, 01.03.2018, p. 14-24.

Research output: Contribution to journalArticle

Wang, Haichao ; Wang, Jinlong ; Ding, Guoru ; Wang, Le ; Tsiftsis, Theodoros ; Sharma, Prabhat Kumar. / Resource Allocation for Energy Harvesting-Powered D2D Communication Underlaying UAV-Assisted Networks. In: IEEE Transactions on Green Communications and Networking. 2018 ; Vol. 2, No. 1. pp. 14-24.
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