tailieunhanh - Báo cáo hóa học: "Particle Filtering Algorithms for Tracking a Maneuvering Target Using a Network of Wireless Dynamic Sensors"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Particle Filtering Algorithms for Tracking a Maneuvering Target Using a Network of Wireless Dynamic Sensors | Hindawi Publishing Corporation EURASIP Journal on Applied Signal Processing Volume 2006 Article ID 83042 Pages 1-16 DOI ASP 2006 83042 Particle Filtering Algorithms for Tracking a Maneuvering Target Using a Network of Wireless Dynamic Sensors Joaquin Miguez and Antonio Artes-Rodriguez Departamento de Teoria de la Senal y Comunicaciones Universidad Carlos III de Madrid Avenida de la Universidad 30 Leganes 28911 Madrid Spain Received 16 June 2005 Revised 24 January 2006 Accepted 30 April 2006 We investigate the problem of tracking a maneuvering target using a wireless sensor network. We assume that the sensors are binary they transmit 1 for target detection and 0 for target absence and capable of motion in order to enable the tracking of targets that move over large regions. The sensor velocity is governed by the tracker but subject to random perturbations that make the actual sensor locations uncertain. The binary local decisions are transmitted over the network to a fusion center that recursively integrates them in order to sequentially produce estimates of the target position its velocity and the sensor locations. We investigate the application of particle filtering techniques namely sequential importance sampling auxiliary particle filtering and cost-reference particle filtering in order to efficiently perform data fusion and propose new sampling schemes tailored to the problem under study. The validity of the resulting algorithms is illustrated by means of computer simulations. Copyright 2006 J. Miguez and A. Artes-Rodriguez. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. 1. INTRODUCTION Recently there has been a surge of interest in the application of networks of wireless microsensors in diverse areas including manufacturing health and medicine transportation environmental monitoring .

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