NDLI: A vertical handover scheme from WMAN to WLAN by taking into account the maximum available resource

Content Provider	IEEE Xplore Digital Library
Author	Hsiu-Lang Wang Shang-Juh Kao
Copyright Year	2011
Description	Author affiliation: Department of Computer Science and Engineering, National Chung Hsing University, Taichung, Taiwan (Hsiu-Lang Wang; Shang-Juh Kao)
Abstract	In heterogeneous wireless networks, the end users are expected to get more bandwidth from WLAN, other than from WMAN, for real time applications. However, adopting traditional Received Signal Strength (RSS) based approach could be inadequate for vertical handover. When WLAN is within the coverage of a WMAN Base Station, an associated Mobile Node (MN) can hardly connect to a WLAN Access Point (AP) due to the default high handover triggering threshold. On the other hand, without knowing the utilization information of scanned APs, once the MN handover to a busy AP by detecting a better signal, it may suffer from bandwidth contention. In this paper, we propose an efficient handover scheme, from WMAN to WLAN, to make use of the received signal to interference and noise ratio and the information about back-haul bandwidth for the criteria to trigger a handover. The time to start a handover is determined by considering the variations of data rate as the MN moves and the most suitable target AP is selected according to its maximum available bandwidth. The simulation results show that the MN consistently has a better throughput with the proposed scheme, as compared with the RSS-based vertical handover scheme. And among all candidates APs, the MN has the minimum packet delay with the selected AP association.
Starting Page	1373
Ending Page	1378
File Size	240346
Page Count	6
File Format	PDF
ISBN	9781424497171
e-ISBN	9781424497188
DOI	10.1109/ICCSE.2011.6028887
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-03
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless LAN RSS Data Rate IEEE 802.16 Standards Bandwidth Interference Throughput Back-haul bandwidth SINR Manganese Signal to noise ratio
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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