2009•Journal of Taiyuan University of Science and TechnologyRequires access

Semidefinite Programming Relaxation Method for Sensor Network Localization

Meifang Zhang

Abstract

A semidefinite programming method(SDP)has been proposed to solve the sensor network localization.However,due to themax-rankproperty of theSDP relaxation,we use SDP relaxation solution as the initial localization,further improving it by gradientbased local search method.Result of the simulation shows Semidefinite Programming Ralaxation methodis fine feasibility and effciency.

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Key concepts: Semidefinite programming, Semidefinite embedding, Relaxation (psychology), Mathematical optimization, Computer science, Linear programming, Wireless sensor network, Mathematics