Multi-snapshot spectrum sensing for cognitive radar via block-sparsity exploitation

A Aubry, V Carotenuto, A De Maio… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Two-dimensional (2-D) spectrum sensing is addressed in the context of a cognitive radar to
gather real-time space-frequency electromagnetic awareness. Assuming a sensor equipped …

Off-Grid Multi-Snapshot Spectrum Sensing for Cognitive Radar

A Aubry, P Babu, A De Maio… - IEEE Transactions on …, 2025 - ieeexplore.ieee.org
Spectrum sensing is a key aspect of next-generation cognitive radars that make use of the
perception-action cycle to improve their performance while endowing cohabitation with other …

Two-dimensional spectrum sensing for cognitive radar

A Aubry, A De Maio, M Govoni - 2018 IEEE Radar Conference …, 2018 - ieeexplore.ieee.org
The two-dimensional (2-D) spectrum sensing problem is addressed in this paper.
Specifically, assuming a sensor equipped with multiple receive antennas, three signal …

Direct-conversion spectrum sensor impaired by symmetric α-stable and α-sub-gaussian noises

LGB Guedes, DA Guimaraes - Journal of Communication and …, 2023 - jcis.sbrt.org.br
Spectrum sensing in underwater cognitive acoustic networks or in underwater acoustic
sensor networks can be impaired by impulsive noise generated by snap** shrimps. In …

Cooperative spectrum sensing based on generalized likelihood ratio test for cognitive radio channels with unknown primary user's power and colored noise

SS Moghaddam, A Habibzadeh - International Journal of …, 2018 - ingentaconnect.com
Background & Objective: This paper proposes a modified eigenvalue-based Generalized
Likelihood Ratio Test (GLRT). The proposed model is appropriate for cognitive wireless …

Kernel canonical correlation analysis for robust cooperative spectrum sensing in cognitive radio networks

J Manco‐Vásquez, SV Vaerenbergh… - Transactions on …, 2017 - Wiley Online Library
Spectrum sensing is a key operation in cognitive radio (CR) systems, where secondary
users (SUs) are able to exploit spectrum opportunities by first detecting the presence of …

Efficient fusion of spectrum sensing information under parameter uncertainty and impulsive noise

PHC Souza, DA Guimarães… - … of Communication and …, 2018 - jcis.emnuvens.com.br
This paper addresses the performance of an efficient fusion scheme for cooperative
spectrum sensing in the context of cognitive radio systems. The secondary users' decisions …

Continuous spectrum sensing and transmission in MIMO cognitive radio network

AJ Braga, RAA de Souza… - IEEE Latin America …, 2016 - ieeexplore.ieee.org
In order to fit the demand of future communication systems, cognitive radio is a candidate
solution for 5G systems. Data transmission of secondary users in classical cognitive radio …

[HTML][HTML] Delegation based user authentication framework over cognitive radio networks

H Kim, EK Ryu - Journal of Sensor and Actuator Networks, 2017 - mdpi.com
To address the ever increasing demand for wireless bandwidth, cognitive radio networks
(CRNs) have been proposed to improve the efficiency of channel utilization. CRN permits …