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http://dx.doi.org/10.5573/ieek.2013.50.6.062

Gauss-Newton Based Estimation for Moving Emitter Location Using TDOA/FDOA Measurements and Its Analysis  

Kim, Yong-Hee (Department of Electronics Engineering, Pusan National University)
Kim, Dong-Gyu (Department of Electronics Engineering, Pusan National University)
Han, Jin-Woo (Agency for Defense Development)
Song, Kyu-Ha (Agency for Defense Development)
Kim, Hyoung-Nam (Department of Electronics Engineering, Pusan National University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.50, no.6, 2013 , pp. 62-71 More about this Journal
Abstract
The passive emitter location method using TDOA and FDOA measurements has higher accuracy comparing to the single TDOA or FDOA based method. Moreover, it is able to estimate the velocity vector of a moving platform. Recently, several non-iterative methods were suggested using the nuisance parameter but the common reference sensor is needed for each pair of sensors. They show also relatively low performance in the case of a long range between the sensor groups and the emitter. To solve this, we derive the estimation method of the position and velocity of a moving platform based on the Gauss-Newton method. In addition, to analyze the estimation performance of the position and velocity, respectively, we decompose the CRLB matrix into each subspace. Simulation results show the estimation performance of the derived method and the CEP planes according to the given geometry of the sensors.
Keywords
Geolocation; TDOA; FDOA;
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Times Cited By KSCI : 3  (Citation Analysis)
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