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dc.contributor.authorNguyen, Thanh Tung-
dc.descriptionMobile Networks and Applications April 2014, Volume 19, Issue 2, pp 249–257en_US
dc.description.abstractSensor networks are deployed in numerous military and civil applications, such as remote target detection, weather monitoring, weather forecast, natural resource exploration and disaster management. Despite having many potential applications, wireless sensor networks still face a number of challenges due to their particular characteristics that other wireless networks, like cellular networks or mobile ad hoc networks do not have. The most difficult challenge of the design of wireless sensor networks is the limited energy resource of the battery of the sensors. This limited resource restricts the operational time that wireless sensor networks can function in their applications. Routing protocols play a major part in the energy efficiency of wireless sensor networks because data communication dissipates most of the energy resource of the networks. The above discussions imply a new family of protocols called chain-based protocols. In the protocols, all sensor nodes sense and gather data in an energy efficient manner by cooperating with their closest neighbors. The gathering process can be done until an elected node calculates the final data and sends the data to the base station. In our works, we have proposed two methods to optimize the lifetime of chain-based protocols using Integer Linear Programming (ILP) formulations. Also, a method to determine the bounds of the lifetime for any energy-efficient routing protocol is presented. Finally, simulation results verify the work in this chapter. Furthermore, previous researches assume that the base station position is randomly placed without optimization. In our works, a non convex optimization model has been developed for solving the base station location optimization problem.en_US
dc.publisherSpringer USen_US
dc.subjectChain based routingen_US
dc.subjectLinear programmingen_US
dc.subjectNon convex optimizationen_US
dc.titleEnergy-Aware Optimization Model in Chain-Based Routingen_US
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