A wavelet approach to wideband spectrum sensing for cognitive radios

Z Tian, GB Giannakis - 2006 1st international conference on …, 2006 - ieeexplore.ieee.org
… We consider a wide band of interest in the range of [50, 250] fiat PSD as in (1), its
spectral density a2 can be estimated MHz. Fig. a) illustrates the PSD Sr(f) observed by a CR. …

Wideband spectrum sensing for cognitive radio networks: a survey

H Sun, A Nallanathan, CX Wang… - IEEE Wireless …, 2013 - ieeexplore.ieee.org
… The wavelet transform was then used to locate the singularities of the wideband PSD, and
the wideband spectrum sensing was formulated as a spectral edge detection problem, as …

A review of wideband spectrum sensing methods for cognitive radios

L De Vito - 2012 IEEE International Instrumentation and …, 2012 - ieeexplore.ieee.org
wideband detection problem. In [9], some papers dealing with wideband spectrum sensing
Spectrum sensing in a wide band faces considerable technical challenge. A solution is the …

Compressive wide-band spectrum sensing

YL Polo, Y Wang, A Pandharipande… - 2009 IEEE International …, 2009 - ieeexplore.ieee.org
Wide-band ADCs operating at sampling rates of the order of several giga-samples/s are …
We consider a spectrum sensing scheme based on compressive sampling of the wide-band

Wideband spectrum sensing in cognitive radio networks

Z Quan, S Cui, AH Sayed… - 2008 IEEE international …, 2008 - ieeexplore.ieee.org
bands without causing harmful interference to legacy networks. This paper introduces a novel
wideband spectrum sensing … for the design of wideband spectrum sensing algorithms in …

Methods and technologies for wideband spectrum sensing

L De Vito - Measurement, 2013 - Elsevier
Spectrum sensing in a wide band faces considerable technical challenges. A simple … the
cyclic spectrum of the waveform acquired in the wide band. In [50], the spectrum sensing is …

Optimal wideband spectrum sensing framework for cognitive radio systems

P Paysarvi-Hoseini, NC Beaulieu - IEEE Transactions on signal …, 2010 - ieeexplore.ieee.org
An optimal wideband spectrum sensing framework which identifies secondary transmission
opportunities over multiple nonoverlapping narrowband channels is presented. The …

Compressed wideband spectrum sensing: Concept, challenges, and enablers

B Hamdaoui, B Khalfi, M Guizani - IEEE Communications …, 2018 - ieeexplore.ieee.org
Spectrum sensing research has mostly been focusing on narrowband access, and not until
… looking at wideband spectrum. Broadly speaking, wideband spectrum sensing approaches …

Distributed compressive wide-band spectrum sensing

Y Wang, A Pandharipande, YL Polo… - … Information Theory and …, 2009 - ieeexplore.ieee.org
… of scanning wide bands of frequencies [1… spectrum of licensed systems. In this paper, we
consider the problem of determining spectrum occupancy of licensed systems over a wide band

Spectrum sensing in wideband OFDM cognitive radios

CH Hwang, GL Lai, SC Chen - IEEE Transactions on Signal …, 2009 - ieeexplore.ieee.org
… In this paper, spectrum sensing of an orthogonal frequency division multiplexing (OFDM)
based cognitive radio (CR) is addressed. The goal is to identify the portions of the spectrum that …