NDLI: Topology-aware transmission scheduling for highway wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Bagaria, D. Kuang-Ching Wang Chowdhury, M.
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, Clemson University, SC, USA (Bagaria, D.; Kuang-Ching Wang) \|\| Department of Civil Engineering, Clemson University, SC, USA (Chowdhury, M.)
Abstract	This study considers a highway wireless sensor network that is deployed along major highways as an infrastructure for supporting a wide range of traffic monitoring operations. Contrary to other low data rate wireless sensor networks, the highway sensor network is expected to carry rich media (e.g., video) with high throughput and low latency requirements. While line power is potentially available at selected locations of selected highways, it is expected most sensors will be individually solar-powered to enable practical implementation at large scales and flexible locations. The paper presents a set of centralized and distributed slotted transmission scheduling methods for IEEE 802.11 based sensor platforms. The methods divide sensors into groups based on their deployed road segment and optimize the bidirectional relay throughput, delay, and energy efficiency for each segment. The approach conforms well to the prevalent practice of placing traffic controllers at regular intersections. Based on local network topology, the methods utilize controllers to coordinate sensor transmission time slots with a pipelined, rotational, and load weighted approach. Simulations in ns-2 showed 20–40% higher throughput, 65–90% less energy, and similar delays compared to unscheduled IEEE 802.11 mesh networks. With multi-intersection coordination, we show that the distributed method was able to achieve 96% of the centralized method's throughput at much lesser communication overheads.
Starting Page	770
Ending Page	777
File Size	518173
Page Count	8
File Format	PDF
ISBN	9781424444885
ISSN	07421303
DOI	10.1109/LCN.2009.5355032
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-20
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Road transportation Wireless sensor networks Throughput Delay Telecommunication traffic Monitoring Large-scale systems Optimization methods Relays Energy efficiency conflict-free scheduling IEEE 802.11 energy-efficient
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
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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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