NDLI: Multi-hop delay reduction for safety-related message broadcasting in vehicle-to-vehicle communications

Content Provider	IET Digital Library
Author	Li, Xiaohuan Hu, Bin jie Chen, Hongbin Li, Bing Teng, Huanglong Cui, Manman
Abstract	In vehicle-to-vehicle (V2V) communications, low delay and long propagation distance are very important for multi-hop safety-related message broadcasting. Most earlier studies focused on one-hop broadcasting while little attention has been paid to multi-hop delay and propagation distance. In this study, a new model for analysing the connectivity probability, average hop count and one-hop delay of multi-hop safety-related message broadcasting in V2V communications is built, taking into account the following factors: propagation distance, one-hop transmission range, distribution of vehicles, vehicle density, average length of vehicles and minimum safe distance between vehicles. Simulation results demonstrate that the proposed model can provide better performance in terms of multi-hop delay and there exists an optimal one-hop transmission range to minimise the multi-hop delay. After that, A new scheme is proposed to track the optimal one-hop transmission range by using a Genetic Algorithm. With this scheme, vehicles are allowed to adjust the one-hop transmission range based on vehicle density to reduce the multi-hop delay. The proposed scheme is validated by simulations using realistic vehicular traces.
Starting Page	404
Ending Page	411
Page Count	8
ISSN	17518628
Volume Number	9
e-ISSN	17518636
Issue Number	Issue 3, Feb (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/9/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2014.0303
Journal	IET Communications
Publisher Date	2015-01-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Average Hop Count Connectivity Probability Genetic Algorithm Long Propagation Distance Mobile Radio System Multihop Delay Reduction One-hop Broadcasting One-hop Transmission Range Optimisation Technique Radio Network Relay Network Safety-related Message Broadcasting Statistical Distribution Statistics Telecommunication V2V Communication Vehicle Average Length Vehicle Density Vehicle Distribution Vehicle-to-vehicle Communication Vehicular Ad Hoc Network Wireless Mesh Network
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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