A concave-convex procedure for TDOA based positioning

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A concave-convex procedure for TDOA based positioning.pdf (135.49 KB)

Date

2013

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Source Title

IEEE Communications Letters

Print ISSN

1089-7798

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Publisher

IEEE

Volume

17

Issue

4

Pages

765 - 768

Language

English

Type

Article

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Abstract

This letter investigates the time-difference-of-arrival based positioning problem in wireless sensor networks. We consider the least-mean absolute, i.e., the ℓ1 norm, minimization of the residual errors and formulate the positioning problem as a difference of convex functions (DC) programming. We then employ a concave-convex procedure to solve the corresponding DC programming. Simulation results illustrate the improved performance of the proposed approach compared to existing methods. © 1997-2012 IEEE.

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Keywords

DC programming , Wireless sensor network , Concave-convex procedure , D-C programming , Residual error , Electrical engineering , Mathematical models , Wireless sensor networks

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http://hdl.handle.net/11693/21069

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http://dx.doi.org/10.1109/LCOMM.2013.020513.122732

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Department of Electrical and Electronics Engineering