Fast and Reliable Emergency Message Dissemination Mechanism in Vehicular ad-hoc Networks 1 Jeng-Farn Lee, Jeng-Farn Lee, 1 Chang-Sheng Chang-Sheng Wang , Wang , 1 Ming-Chin Chunag Ming-Chin Chunag 1 Department of Computer Science and Information Department of Computer Science and Information Engineering Engineering National Chung Cheng University, Chia-Yi, National Chung Cheng University, Chia-Yi, Taiwan, R.O.C. Taiwan, R.O.C. WCNC 2010 WCNC 2010
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Fast and Reliable Emergency Message Dissemination Mechanism in Vehicular ad-hoc Networks
Fast and Reliable Emergency Message Dissemination Mechanism in Vehicular ad-hoc Networks. 1 Jeng-Farn Lee, 1 Chang-Sheng Wang , 1 Ming-Chin Chunag 1 Department of Computer Science and Information Engineering National Chung Cheng University, Chia-Yi, Taiwan, R.O.C. WCNC 2010. Outline. - PowerPoint PPT Presentation
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Fast and Reliable Emergency Message Dissemination Mechanism in Vehicular ad-hoc Networks
Fast and Reliable Emergency Message Dissemination Mechanism in Vehicular ad-hoc Networks
11Jeng-Farn Lee, Jeng-Farn Lee, 11Chang-Sheng Wang ,Chang-Sheng Wang ,11Ming-Chin Ming-Chin ChunagChunag11Department of Computer Science and Information EngineeringDepartment of Computer Science and Information Engineering
When a car accident happenedWhen a car accident happened 1)Is it a new message ?1)Is it a new message ? 2)is the message delivered from vehicle in 2)is the message delivered from vehicle in
front of me?front of me?
FR-EDMFR-EDM
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Fast ForwardingFast Forwarding GPSGPS
FR-EDMFR-EDM
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FR-EDMFR-EDM
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Ox: length of blockOy: wide of blockArea: size of transmission area
FR-EDMFR-EDM The value of block sizeThe value of block size
4m*4m,8m*8m,16m*16m4m*4m,8m*8m,16m*16m
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FR-EDMFR-EDM The value of block sizeThe value of block size
4m*4m,8m*8m,16m*16m4m*4m,8m*8m,16m*16m
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FR-EDMFR-EDM The value of block sizeThe value of block size
ConclusionsConclusions We propose a fast and reliable emergency We propose a fast and reliable emergency
message dissemination mechanism (FR-EDM)message dissemination mechanism (FR-EDM) In the simulation results, our protocol achieves In the simulation results, our protocol achieves
the low disseminating delay and high reliability the low disseminating delay and high reliability while disseminating the emergency messagewhile disseminating the emergency message