Long range FM-based passive radar

Malanowski, Mateusz; Kulpa, Krzysztof; Samczyński, Piotr; Misiurewicz, Jacek; Kulpa, Janusz S.

doi:10.1049/cp.2012.1578

Cited by 26 publications

(9 citation statements)

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“…Applying stretch processing it is possible to extend integration time to more than 10 s, resulting in 0.3 m/s resolution. A typical bistatic detection range lies within 300 km [1], but it is possible to extend it to 700-800 km [7]. A typical ambiguity function of an FM signal is presented in Fig.…”

Section: Available Illuminators Of Opportunitymentioning

confidence: 99%

Application of Communication Signals for Remote Sensing

Kulpa

Malanowski

Samczyński

et al. 2014

Procedia Technology

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The paper presents the concept of applying different communication signals as illuminating signals in a remote sensing application. Classical remote sensing in radio frequency and microwave regions is based on active radar technology. When specially designed, in most cases a pulse signal is sent by the radar to illuminate the sensing scene and the return echo is analyzed. As more and more communication signals are freely available in the surveillance space, microwave sensing without its own illumination has been the focus of increasing interest. In the paper detailed discussion of the properties of different signals for remote sensing is presented, together with experimental results carried out at the Warsaw University of Technology, Poland.

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Section: Available Illuminators Of Opportunitymentioning

confidence: 99%

Application of Communication Signals for Remote Sensing

Kulpa

Malanowski

Samczyński

et al. 2014

Procedia Technology

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“…For the narrow band signals such as analogue AM radio, FM radio and GSM the range resolution is very low, in the range of several km, and thus localization accuracy is very low. Such low accuracy can be accepted in long-range passive radars such ones exploiting FM radio illuminations and having coverage up to 350 km [3] but is not acceptable for short range radars based e.g. on GSM illumination.…”

Section: Introductionmentioning

confidence: 99%

Doppler only localization in GSM-based passive radar

Wielgo

Krysik

Klincewicz

et al. 2014

2014 International Radar Conference

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The localization in a classical multistatic passive radar is based on finding bistatic ellipsoid crossing with at least three pairs of transmitter-receiver. The localization accuracy is dependent on the geometry and bandwidth of the illumination signal. For narrow band signals like GSM cellular phone transmission the bistatic range resolution is very poor, in a range of several kilometers. The paper presents an alternative solution -exploitation of Doppler information and localization based on Doppler-only measurements. Because there were 4 unknowns (in 2-D localization: two spatial and to velocity components) or 6 unknowns (in 3D localization) it is necessary to have at least 4 or 6 bistatic measurements to localized the target. The paper presents the theory of Doppler-only target localization in GSM passive radar, related simulation results and accuracy considerations.

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“…These advantages are derived from the lack of the transmitter. The PCL system operates by using transmitters which already exist in use for other purposes such as Global System for Mobile Communications (GSM) [7], Wireless Fidelity (WIFI) [8], Analogue TV, Digital Audio Broadcast (DAB), Digital Video Broadcasting-Terrestrial (DVB-T) [9,10], Digital Video Broadcasting-Satellite (DVB-S) [11], and FM radio [12] instead of a dedicated transmitter. On the other hand, the lack of the transmitter in the PCL system causes drawbacks such as complicated signal processing, not having control over the transmitted signal and continuous synchronization between receiver and transmitter.…”

Section: Introductionmentioning

confidence: 99%