Unified analysis of low-SNR energy detection and threshold selection
For spectrum sensing in cognitive radio networks, the IEEE 802.22 standard requires the
detection of primary signals with a signal-to-noise ratio (SNR) as low as-20 dB and receiver …
detection of primary signals with a signal-to-noise ratio (SNR) as low as-20 dB and receiver …
On the signal-to-noise ratio wall of energy detection in spectrum sensing
In this paper, a comprehensive analysis of the signal-to-noise ratio wall (SNRw) of cognitive
radio (CR)-based non-cooperative spectrum sensing (nCSS) and cooperative spectrum …
radio (CR)-based non-cooperative spectrum sensing (nCSS) and cooperative spectrum …
[LIVRE][B] Spectrum sensing for cognitive radio: Fundamentals and applications
KM Captain, MV Joshi - 2021 - taylorfrancis.com
This comprehensive reference text discusses concepts of cognitive radio and the advances
in the field of spectrum sensing. This text discusses the concept of cognitive radio for next …
in the field of spectrum sensing. This text discusses the concept of cognitive radio for next …
Convergence of mobile broadband and broadcast services: A cognitive radio sensing and sharing perspective
With next generation networks driving the confluence of multi-media, broadband, and
broadcast services, Cognitive Radio (CR) networks are positioned as a preferred paradigm …
broadcast services, Cognitive Radio (CR) networks are positioned as a preferred paradigm …
Cooperative energy detection with heterogeneous sensors under noise uncertainty: SNR wall and use of evidence theory
The analyzed system model in this paper is a distributed parallel detection network in which
each secondary user (SU) evaluates the energy-based test statistic from the received …
each secondary user (SU) evaluates the energy-based test statistic from the received …
Soft decision cooperative spectrum sensing with noise uncertainty reduction
Cognitive radio (CR) is a potential strategy for opportunistic access of idle resources to solve
the conflicts between spectrum scarcity and underutilization. Spectrum sensing (SS) …
the conflicts between spectrum scarcity and underutilization. Spectrum sensing (SS) …
SNR wall for generalized energy detector in the presence of noise uncertainty and fading
The performance of energy detection (ED) degrades under low SNR, noise uncertainty (NU)
and fading. The generalized energy detector (GED) is obtained by changing the squaring …
and fading. The generalized energy detector (GED) is obtained by changing the squaring …
Improvement of noise uncertainty and signal-to-noise ratio wall in spectrum sensing based on optimal stochastic resonance
Noise uncertainty and signal-to-noise ratio (SNR) wall are two very serious problems in
spectrum sensing of cognitive radio (CR) networks, which restrict the applications of some …
spectrum sensing of cognitive radio (CR) networks, which restrict the applications of some …
SNR wall for cooperative spectrum sensing using generalized energy detector
Cognitive radio (CR) is a promising scheme to improve the spectrum utilization. Spectrum
sensing (SS) is one of the main tasks of CR. Cooperative spectrum sensing (CSS) is used in …
sensing (SS) is one of the main tasks of CR. Cooperative spectrum sensing (CSS) is used in …
Full-duplex spectrum sensing and access in cognitive radio networks with unknown primary user activities
In this paper, we consider the problem of optimal opportunistic spectrum access using full-
duplex (FD) radios in presence of uncertain primary user (PU) channel statistics and …
duplex (FD) radios in presence of uncertain primary user (PU) channel statistics and …