NDLI: MAC-level measurement based traffic distribution over IEEE 802.11 multi-radio networks

Content Provider	IEEE Xplore Digital Library
Author	Jong-Ok Kim Ueda, T. Obana, S.
Copyright Year	1975
Abstract	It is expected that multiple radio access technologies coexist within a single terminal. In those networks, we focus on the problem of how to distribute IP traffic into multiple underlying links in order to enhance the overall aggregated throughput. As an effective aggregation mechanism, traffic is equivalently assigned to each link, in proportion to its available capacity. To this end, the capacity of each link is commonly measured for easy comparison between radio links, and then, the relative split ratio is accordingly determined. We identify LTT (link transmission time) as a common link resource measure. We specifically consider that each terminal is equipped with IEEE 802.11a and 802.11b devices, and have implemented a practical testbed network system. In IEEE 802.11 networks, LTT is considerably variable due to random back-off process, depending on neighboring contending terminals and radio signal quality variations. It is actually captured at a radio device driver instead of theoretical calculation. Based on measurements, we determine traffic split ratios to both links. Extensive experimental results show that the proposed method could reduce the packet reorder delay at the receiver by achieving equal load-balance, rapidly adapting to varying link qualities (i.e., channel access contention and radio signal attenuation).
Sponsorship	IEEE Consumer Electronics Society
File Size	1024700
File Format	PDF
ISSN	00983063
Volume Number	54
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Telecommunication traffic Radio link Time measurement Throughput System testing Signal processing Protocols Electronic equipment testing Paper technology Delay multi-radio network, link transmission time, measurement, traffic split, IEEE 802.11 WLAN
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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