NDLI: Coexistence-Aware Scheduling for Wireless System-on-a-Chip Devices

Content Provider	IEEE Xplore Digital Library
Author	Lei Yang Kone, V. Xue Yang Liu, Y. Zhao, B.Y. Haitao Zheng
Copyright Year	2010
Abstract	Today's mobile devices support many wireless technologies to achieve ubiquitous connectivity. Economic and energy constraints, however, are driving the industry to implement multiple technologies into a single radio. This system-on-a-chip architecture leads to competition among networks when devices toggle across different technologies to communicate with multiple networks. In this paper, we study the impact of such network competition using a representative scenario where devices split their time between WiMAX and WiFi connections. We show that competition with WiMAX significantly lowers WiFi's throughput, but this performance degradation is largely unnecessary, and can be attributed to the fact that WiMAX's transmission scheduling does not consider competing networks. We propose PACT, a new coexistence-aware WiMAX scheduling policy that cooperates with WiFi links hosted by its users without compromising its own transmission requirements. We derive PACT's design using an analytical model of network competition, and apply it to design practical WiMAX scheduling algorithms for various traffic classes. We evaluate PACT using OPNET's realistic models for WiFi and WiMAX. Using real network topologies, our experiment results show that PACT significantly improves WiFi performance by up to 17 fold without affecting the WiMAX user experience.
Starting Page	1
Ending Page	9
File Size	345453
Page Count	9
File Format	PDF
ISBN	9781424471508
e-ISBN	9781424471515
DOI	10.1109/SECON.2010.5508245
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	System-on-a-chip WiMAX Job shop scheduling Algorithm design and analysis Power generation economics Industrial economics Throughput Degradation Analytical models Scheduling algorithm
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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