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作者:

Ullah, Sami (Ullah, Sami.) | Abbas, Ghulam (Abbas, Ghulam.) | Waqas, Muhammad (Waqas, Muhammad.) | Abbas, Ziaul Haq (Abbas, Ziaul Haq.) | Tu, Shanshan (Tu, Shanshan.) | Hameed, Ibrahim A. (Hameed, Ibrahim A..)

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摘要:

In Vehicular Adhoc Networks (VANETs), disseminating Emergency Messages (EMs) to a maximum number of vehicles with low latency and low packet loss is critical for road safety. However, avoiding the broadcast storm and dealing with large-scale dissemination of EMs in urban VANETs, particularly at intersections, are the challenging tasks. The problems become even more challenging in a dense network. We propose an Effective Emergency Message Dissemination Scheme (EEMDS) for urban VANETs. The scheme is based on our mobility metrics to avoid communication overhead and to maintain a stable cluster structure. Every vehicle takes into account its direction angle and path loss factor for selecting a suitable cluster head. Moreover, we introduce estimated link stability to choose a suitable relay vehicle that reduces the number of rebroadcasts and communication congestion in the network. Simulation results show that EEMDS provides an acceptable end-to-end delay, information coverage, and packet delivery ratio compared to the eminent EM dissemination schemes.

关键词:

clusters vehicular adhoc networks road safety communication congestion broadcast storms flooding

作者机构:

  • [ 1 ] [Ullah, Sami]GIK Inst Engn Sci & Technol, Telecommun & Networking Res Ctr, Topi 23640, Pakistan
  • [ 2 ] [Abbas, Ghulam]GIK Inst Engn Sci & Technol, Telecommun & Networking Res Ctr, Topi 23640, Pakistan
  • [ 3 ] [Waqas, Muhammad]GIK Inst Engn Sci & Technol, Telecommun & Networking Res Ctr, Topi 23640, Pakistan
  • [ 4 ] [Abbas, Ziaul Haq]GIK Inst Engn Sci & Technol, Telecommun & Networking Res Ctr, Topi 23640, Pakistan
  • [ 5 ] [Abbas, Ghulam]GIK Inst Engn Sci & Technol, Fac Comp Sci & Engn, Topi 23640, Pakistan
  • [ 6 ] [Waqas, Muhammad]GIK Inst Engn Sci & Technol, Fac Comp Sci & Engn, Topi 23640, Pakistan
  • [ 7 ] [Abbas, Ziaul Haq]GIK Inst Engn Sci & Technol, Fac Elect Engn, Topi 23640, Pakistan
  • [ 8 ] [Tu, Shanshan]Beijing Univ Technol, Fac Informat Technol, Engn Res Ctr Intelligent Percept & Autonomous Con, Beijing 100124, Peoples R China
  • [ 9 ] [Hameed, Ibrahim A.]Norwegian Univ Sci & Technol, Fac Informat Technol & Elect Engn, N-7491 Trondheim, Norway

通讯作者信息:

  • [Hameed, Ibrahim A.]Norwegian Univ Sci & Technol, Fac Informat Technol & Elect Engn, N-7491 Trondheim, Norway

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年份: 2021

期: 5

卷: 21

3 . 9 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:96

JCR分区:2

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WoS核心集被引频次: 19

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