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An Offline Roadside Unit ON-OFF Scheduling Algorithm for Energy Efficiency of Ad Hoc Networks

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2018Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Access, volume 6, pages 59,742-59,751 (eissn: 2169-3536,

Authors: Lei Zhang; Yu Wang;

doi: 10.1109/access.2018.2872601

An Offline Roadside Unit ON-OFF Scheduling Algorithm for Energy Efficiency of Ad Hoc Networks

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Abstract

This paper considers the off-line roadside unit (RSU) ON/OFF scheduling problem in a sparse vehicular ad hoc network (VANET). We formulate the problem as a mixed integer non-linear programming problem and propose a heuristic scheduling algorithm called Multi-Level Greedy (MLG) algorithm to find a suboptimal approximation. In the proposed MLG algorithm, we introduce the concepts of optimal service location and suboptimal service location. Then, we obtain the ON-OFF state matrix of RSUs. Simulation results show that the MLG algorithm can significantly reduce the energy consumption of RSUs deployed and can provide a reference basis for energy efficient scheduling in VANETs.

Related Organizations

Jiangsu University
China (People's Republic of)
Jiangsu University
China (People's Republic of)
Jiangsu University of Technology
China (People's Republic of)

Keywords

scheduling algorithm, TK1-9971, Energy efficiency, roadside unit, Electrical engineering. Electronics. Nuclear engineering, vehicular ad hoc networks

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