Cognitive radar: A knowledge-aided fully adaptive approach

Guerci, J.R.

doi:10.1109/radar.2010.5494403

Cited by 382 publications

(157 citation statements)

References 21 publications

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“…A similar coexistence problem is currently faced by radars as their performance deteriorates due to coexisting wireless communications systems. Cognitive radars indicate initial attempts to adapt intelligently to complicated environments [4].…”

Section: A Backgroundmentioning

confidence: 99%

Cooperative radar and communications signaling: The estimation and information theory odd couple

Bliss

2014

2014 IEEE Radar Conference

178

119

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Abstract-We investigate cooperative radar and communications signaling. While each system typically considers the other system a source of interference, by considering the radar and communications operations to be a single joint system, the performance of both systems can, under certain conditions, be improved by the existence of the other. As an initial demonstration, we focus on the radar as relay scenario and present an approach denoted multiuser detection radar (MUDR). A novel joint estimation and information theoretic bound formulation is constructed for a receiver that observes communications and radar return in the same frequency allocation. The joint performance bound is presented in terms of the communication rate and the estimation rate of the system.

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Section: A Backgroundmentioning

confidence: 99%

Cooperative radar and communications signaling: The estimation and information theory odd couple

Bliss

2014

2014 IEEE Radar Conference

178

119

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“…The problem to quantitatively define the operational environment of a radar is one of the main components in cognitive radar applications [1]. For various radar applications, including the surveillance of the airports and of urban and suburban areas for detection of unauthorized vehicles, a clutter map is a very useful detection tool [2,3].…”

Section: Introductionmentioning

confidence: 99%

Generation of Land-Clutter Maps for Cognitive Radar Technology

Galati

Pavan

2018

Advances in Intelligent Systems and Computing

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Abstract. The concept of cognitive radar is based on an intelligent signal processing obtained by the interaction of the radar with the surrounding environment in order to optimize the radar operation. In the frame of the vast literature on measurement and modelling of the echoes from the environment such as land, vegetation, man-made infrastructures (called land clutter or fixed clutter in the radar jargon), this paper is aimed to contribute with a practical methodology based on a moveable, lightweight, small and cheap marine radar and its calibration. Live results, related to Radar Cross Section measurements in a typical suburban area, are also shown and analysed. Buildings, streets, highways, car parking areas with different coatings, large and medium size lampposts, soil with grass, trees, all in a radius of a very few kilometres, makes this area interesting as far as land clutter characterization is concerned.

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“…An effective optimization method was introduced in [9]. While there are simple solutions for waveforms with optimal SINR, for example (see [10] or [11]), no such solutions have been presented for the general case of optimizing sidelobe and cross-correlation levels.…”

Section: Introductionmentioning

confidence: 99%

Hybrid optimization method for cognitive and MIMO radar code design

Aittomaki

Koivunen

2017

2017 25th European Signal Processing Conference (EUSIPCO)

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Cognitive and MIMO radars need to adapt the transmitted waveforms based on the radar task as well as the propagation and the target environments. Many waveform optimization methods proposed in the literature for optimizing the sidelobe and cross-correlation levels are based on stochastic search algorithms or slow numerical approximation methods. However, for real-time applications, it is necessary to perform the optimization fast since the radar channels and target parameters may vary rapidly. For this purpose, we propose a hybrid optimization approaches based on gradient and randomization for fast optimization of the transmit waveform codes.

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Cognitive radar: A knowledge-aided fully adaptive approach

Cited by 382 publications

References 21 publications

Cooperative radar and communications signaling: The estimation and information theory odd couple

Cooperative radar and communications signaling: The estimation and information theory odd couple

Generation of Land-Clutter Maps for Cognitive Radar Technology

Hybrid optimization method for cognitive and MIMO radar code design

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