NDLI: Joint Routing and Medium Access Control for Lifetime Maximization of Distributed Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Seung-Jun Kim Xiaodong Wang Mohammad Madihian
Copyright Year	2006
Description	Author affiliation: Columbia University, New York, NY. Email: wangx@ee.columbia.edu (Xiaodong Wang) \|\| NEC Laboratories America, Princeton, NJ. Email: sjkim@nec-labs.com (Seung-Jun Kim) \|\| NEC Laboratories America, Princeton, NJ. Email: madihian@nec-labs.com (Mohammad Madihian)
Abstract	A joint routing and medium access control (MAC) algorithm is proposed for lifetime maximization of distributed wireless sensor networks. By adopting the flow contention graph model and the resulting MAC constraints, the problem can be formulated into a linear program (LP) with separable structure, which can be solved distributively using dual decomposition. However, the message passing overhead of such a solution is still high, since the information exchange must occur among the interfering links as well as the communicating links. In this work, the MAC layer constraints are relaxed in the form of a penalty function, which facilitates distributed optimization using only the collision statistic that each node can accumulate essentially at no extra cost. The resulting algorithm solves a convex optimization problem by a distributed primal-dual approach, where the network layer problem is solved in the dual domain, and the MAC layer problem is solved in the primal domain.
Starting Page	3467
Ending Page	3472
File Size	887271
Page Count	6
File Format	PDF
ISBN	1424403553
ISSN	81649547
DOI	10.1109/ICC.2006.255609
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-11
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Media Access Protocol Wireless sensor networks Physical layer National electric code Energy consumption Mobile ad hoc networks Relays Power control Access protocols
Content Type	Text
Resource Type	Article

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