Game-Theoretic Approaches for Energy Cooperation in Energy Harvesting Small Cell Networks

Navid Reyhanian, Behrouz Maham, Vahid Shah-Mansouri, Wayes Tushar, Chau Yuen

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Deploying small cells in cellular networks, as a technique for capacity and coverage enhancement, is an indispensable characteristic of future cellular networks. In this paper, two novel online approaches for enabling energy trading in multitier cellular networks with noncooperative energy-harvesting base stations (BSS) are proposed. The goal is to minimize the nonrenewable energy consumption in a multitier cellular network with an arbitrary number of tiers. In the first approach, a decentralized energy trading framework is established in which BSS are stimulated to compensate their energy shortage with the extra harvested energy from other BSS rather than using the nonrenewable energy. Matching theory is used to assign BSS with energy deficit to the BSS with extra harvested energy. In the second approach, which is centralized, BSS with extra harvested energy and BSS with energy deficit enter a double auction for energy trading. The centralized approach also motivates the BSS with deficient energy to use other BSS extra harvested energy and satisfies a number of properties including truthfulness, individual rationalities, and budget balance. Both approaches achieve Nash equilibrium and motivate noncooperative BSS to share their extra harvested energy. The extra harvested energy is exchanged by the smart grid. We show that the amount of information exchanged in the network to enable BSS to trade energy is reduced in the centralized algorithm compared to the decentralized algorithm at the expense of using a control center. Simulation results verify that the proposed approaches reduce the nonrenewable energy consumption conspicuously. Furthermore, by applying the proposed approaches, BSS gain more profit, and consequently, their utility functions enhance.

Original languageEnglish
Article number7815443
Pages (from-to)7178-7194
Number of pages17
JournalIEEE Transactions on Vehicular Technology
Volume66
Issue number8
DOIs
Publication statusPublished - Aug 1 2017

Keywords

  • Double auction
  • energy harvesting
  • energy trading
  • matching theory
  • multitier cellular network
  • noncooperative base stations (BSS)
  • nonrenewable energy

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Applied Mathematics
  • Electrical and Electronic Engineering

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