NDLI: Hierarchical map-based location service for VANETs in urban environments

Content Provider	IEEE Xplore Digital Library
Author	Garg, A. Pandey, K. Singh, B.
Copyright Year	2014
Description	Author affiliation: Dept. of CS &IT, Jaypee Inst. of Inf. & Technol., Noida, India (Garg, A.; Pandey, K.; Singh, B.)
Abstract	Vehicular Ad-hoc Network is gaining the attention of researchers because of the technological advancements for developing an Intelligent Transportation System (ITS). The dynamic nature of vehicles (nodes) leads to frequent path breaks and network fragmentation. Therefore, routing has become a critical issue in inter-vehicle communication. Location management in VANETs is considered as a critical issue in position based routing protocol. For this purpose we have proposed novel distributed map-based location service scheme that uses mobility pattern and density of the vehicles in the region. In the proposed location service mechanism, the geographical region is divided into segments and each segment is further fragmented into cells. For exchanging the routing information among vehicles across network, the location of destination node should be discovered within the cell. In case the destination is not discovered in the cell, the request for location search migrates to the segment. The information extracts from the digital map database helps to select location server in high traffic point regions in the entire area. The location service uses minimum speed aware policy to select location server at high traffic density waypoint and dynamic location updates are sent to location server based on threshold distance. In order to reduce the location discovery delay, adjacent level hierarchy is used for location query sent by the location servers. Simulation results obtained with different scenarios are used to demonstrate the performance of HLS, EMBL and HMLS in terms of location query answer and location update strategy. Simulation results show that HMLS achieve outperforms others in urban environments.
Sponsorship	IEEE Comput. Soc.
Starting Page	199
Ending Page	205
File Size	871424
Page Count	7
File Format	PDF
ISBN	9781479951727
e-ISBN	9781479951734
DOI	10.1109/IC3.2014.6897173
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-07
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement Geographic data files Routing Traffic point Servers Location server Vehicles Databases Simulation Cities and towns Location service Map-based Vehicular-adhoc network
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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