吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (01): 245-0249.

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Wireless sensor network centroid localization algorithm based on time difference of arrival

LIU Ying,QIAN Zhi-hong,WANG Xue,LI Yi-nan   

  1. College of Communication Engineering, Jilin University, Changchun 130022, China
  • Received:2008-11-26 Online:2010-01-01 Published:2010-01-01

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Abstract:

Combining the time difference of arrival(TDOA) method and the centroid localization algorithm, a mixed network centroid localization algorithm was proposed based on the weighted proposal.Using the TDOA and several classical localization algorithms to solve the hyperbolic equation group, the location of the node to be localized was obtained. The localized node was used as the coordinates of the centroid algorithm, and the distance between the anchor node and the unknown node was used as the constraint to adjust the node location to reduce the localization error. Simulation results demonstrated the effectiveness of the proposed algorithm.

Key words: communication technology, time difference of arrival(TDOA), wireless sensor network, localization, network node

CLC Number: 

  • TN92
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