Title :
Optimal geometry analysis for elliptic target localization by multistatic radar with independent bistatic channels
Author :
Ngoc Hung Nguyen ; Dogancay, Kutluyil
Author_Institution :
Inst. for Telecommun. Res., Univ. of South Australia, Mawson Lakes, SA, Australia
Abstract :
This paper derives the optimal angular geometry for elliptic time-of-arrival localization by a multistatic radar consisting of multiple independent bistatic channels. The optimal geometry analysis is conducted based on minimization of the area of the estimation confidence region which is equivalent to maximizing the determinant of the Fisher information matrix. It is shown that the optimal angular geometry is obtained when the transmitter and receiver of each bistatic channel are collinear with the target where the target is placed at the either end. The optimization problem therefore boils down to determination of the optimal angular separation between different bistatic channels which is mathematically equivalent to the optimal angular sensor separation for angle-of-arrival localization. These analytical results are confirmed by simulation examples.
Keywords :
direction-of-arrival estimation; radar tracking; radio receivers; radio transmitters; target tracking; time-of-arrival estimation; Fisher information matrix; angle-of-arrival localization; collinear bistatic channel; elliptic target localization; elliptic time-of-arrival localization; multiple independent bistatic channels; multistatic radar; optimal angular geometry; optimal angular sensor separation; optimal angular separation; optimal geometry analysis; optimization problem; radio receiver; radio transmitter; Analytical models; Geometry; Multistatic radar; Optimization; Receivers; Transmitters; Fisher information matrix; Optimal sensor placement; bistatic radar; elliptic TOA localization; multistatic radar;
Conference_Titel :
Acoustics, Speech and Signal Processing (ICASSP), 2015 IEEE International Conference on
Conference_Location :
South Brisbane, QLD
DOI :
10.1109/ICASSP.2015.7178474