NDLI: Power efficient and sparse spanner for wireless ad hoc networks

Content Provider	IEEE Xplore Digital Library
Author	Xiang-Yang Li Peng-Jun Wan Yu Wang
Copyright Year	2001
Description	Author affiliation: Dept. of Comput. Sci., Illinois Inst. of Technol., Chicago, IL, USA (Xiang-Yang Li)
Abstract	Due to the limited resources available in the wireless ad hoc networking nodes, the scalability is crucial for network operations. One effective approach is to maintain only a sparse spanner of a linear number of links while still preseving the power-efficient route for any pair of nodes. For any spanner G, its power stretch factor is defined as the maximum ratio of the minimum power needed to support any link in this spanner to the least necessary. In this paper, we first consider several well-known proximity graphs including the relative neighborhood graph, Gabriel graph and Yao graph. These graphs are sparse and can be constructed locally in an efficient way. We show that the power stretch factor of the Gabriel graph is always one, and the power stretch factor of the Yao graph is bounded by a constant while the power stretch factor of the relative neighborhood graph could be as large as the network size minus one. Notice that all of these graphs do not have constant degrees. We further propose another sparse spanner that has both constant degree and constant power stretch factor. An efficient local algorithm is presented for the construction of this spanner.
Sponsorship	Army Res. Lab.
Starting Page	564
Ending Page	567
File Size	278855
Page Count	4
File Format	PDF
ISBN	0780371283
ISSN	10952055
DOI	10.1109/ICCCN.2001.956322
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-10-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ad hoc networks Mobile ad hoc networks Network topology Energy consumption Protocols Scalability Routing Joining processes Power measurement Computer science
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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
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