A Framework for Joint Cross-Layer and Node Location Optimization in Mobile Sensor Networks

Authors:
Vladimir Marbukh;Kamran Sayrafian-Pour
Affiliations:
Information Technology Laboratory, National Institute of Standards and Technology,;Information Technology Laboratory, National Institute of Standards and Technology,
Venue:
ADHOC-NOW '08 Proceedings of the 7th international conference on Ad-hoc, Mobile and Wireless Networks
Year:
2008

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Abstract

This paper proposes an extension to Network Utility Maximization (NUM) framework, referred to as L-NUM (Location-aware NUM). This framework is intended to characterize both the amount of the received sensor information and the network ability to deliver the information to the intended recipient(s). The sensor location is controlled by maximization of the system utility production, which accounts for both rate of the network utility increase and the negative effects of the energy consumption as a result of sensor motion. Definition of sensor utility in L-NUM incorporates the value of sensor information which is affected by sensor locations. Once model-specific network utility and system utility production are defined, L-NUM provides intuitively appealing and tractable framework for mobile sensor network optimization.