Cramér-Rao Bounds for UMTS-Based Passive Multistatic Radar

Owing to the favorable ambiguity function properties and the increased deployment, mobile communications systems are useful for passive bistatic radar applications. Further, simultaneously using multiple illuminators in a multistatic configuration will improve the radar performance, providing spatia...

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Bibliographic Details
Published in:IEEE transactions on signal processing 2014-01, Vol.62 (1), p.95-106
Main Authors: Gogineni, Sandeep, Rangaswamy, Muralidhar, Rigling, Brian D., Nehorai, Arye
Format: Article
Language:English
Subjects:
3G mobile communication
Applied sciences
Coherent processing
Cramér-Rao bound
Detection, estimation, filtering, equalization, prediction
distributed
Electronic mail
Estimation
Exact sciences and technology
Information, signal and communications theory
multistatic
Multistatic radar
passive radar
Signal and communications theory
Signal, noise
Telecommunications and information theory
Transmitters
UMTS signals
Vectors
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Summary:Owing to the favorable ambiguity function properties and the increased deployment, mobile communications systems are useful for passive bistatic radar applications. Further, simultaneously using multiple illuminators in a multistatic configuration will improve the radar performance, providing spatial diversity and increased resolution. We compute modified Cramér-Rao lower bounds (MCRLB) for the target parameter (delay, Doppler) estimation error using universal mobile telecommunications system (UMTS) signals as illuminators of opportunity for passive multistatic radar systems. We consider both coherent and non-coherent processing modes. These expressions for MCRLB are an important performance metric in that they enable the selection of the optimal illuminators for estimation.
ISSN:1053-587X
1941-0476
DOI:10.1109/TSP.2013.2284758