Wireless sensor networks (WSNs) are attracting great interest in a number of application
domains concerned with monitoring and control of physical phenomena, as they enable …

Recent availability of small inexpensive low power GPS receivers and techniques for finding
relative coordinates based on signal strengths, and the need for the design of power efficient …

Topology Control (TC) is one of the most important techniques used in wireless ad hoc and
sensor networks to reduce energy consumption (which is essential to extend the network …

Extensive empirical studies presented in this article confirm that the quality of radio
communication between low-power sensor devices varies significantly with time and …

Delineating the tremendous growth in this area, the Handbook of Approximation Algorithms
and Metaheuristics covers fundamental, theoretical topics as well as advanced, practical …

As the field of communications networks continues to evolve, the challenging area of
wireless sensor networks is rapidly coming of age. Recent advances have made it possible …

We consider a two-tiered Wireless Sensor Network (WSN) consisting of sensor clusters
deployed around strategic locations and base-stations (BSs) whose locations are relatively …

Sensor networks pose a number of challenging conceptual and optimization problems such
as location, deployment, and tracking. One of the fundamental problems in sensor networks …

An ad hoc wireless network, or simply an ad hoc network, consists of a collection of
geographically distributed nodes that communicate with one other over a wireless medium …

Wireless sensor networks are attracting increased interest for a wide range of applications,
such as environmental monitoring and vehicle tracking. However, develo** sensor …