Recent advances on artificial intelligence and learning techniques in cognitive radio networks

N Abbas, Y Nasser, KE Ahmad - EURASIP Journal on Wireless …, 2015 - Springer
Cognitive radios are expected to play a major role towards meeting the exploding traffic
demand over wireless systems. A cognitive radio node senses the environment, analyzes …

[图书][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 …

Parzen window entropy based spectrum sensing in cognitive radio

N Swetha, PN Sastry, YR Rao, SL Sabat - Computers & Electrical …, 2016 - Elsevier
In this paper, we propose a Parzen window entropy based spectrum sensing algorithm for
enhancing the signal-to-noise ratio (SNR) wall of cognitive radio primary user detection. We …

Optimal multinode sensing in a malicious cognitive radio network

S Srinu, SL Sabat - IEEE Systems Journal, 2013 - ieeexplore.ieee.org
Spectrum sensing is an essential function in cognitive radio systems for dynamic spectrum
access. Multinode sensing is a technique being used in cognitive radio networks to enhance …

Efficient elimination of erroneous nodes in cooperative sensing for cognitive radio networks

S Srinu, AK Mishra - Computers & Electrical Engineering, 2016 - Elsevier
Cooperative spectrum sensing is a process of achieving spatial diversity gain to make global
decision for cognitive radio networks. However, accuracy of global decision effects owing to …

Spectrum sensing for cognitive radio networks

S Sesham, SL Sabat - White Space Communication: Advances …, 2014 - Springer
Spectrum sensing is a primary and an essential function in cognitive radio (CR) for dynamic
spectrum access. Cognitive user should detect the whitespaces or vacant frequency bands …

Energy‐aware secondary user selection in cognitive sensor networks

A Sepasi Zahmati, X Fernando… - IET Wireless Sensor …, 2014 - Wiley Online Library
In cognitive radio, accurate spectrum sensing is essential to optimally use the available
spectrum opportunities. On the other hand, energy is a scarce resource especially in …

Entropy-based Spectrum Sensing for Cognitive Radio Networks in the Presence of an Unauthorized Signal

J So - KSII Transactions on Internet and Information Systems …, 2015 - koreascience.kr
Spectrum sensing is a key component of cognitive radio. The prediction of the primary user
status in a low signal-to-noise ratio is an important factor in spectrum sensing. However …

Cooperative wideband sensing based on entropy and cyclic features under noise uncertainty

S Srinu, SL Sabat - IET Signal Processing, 2013 - Wiley Online Library
Spectrum sensing is a key component to realise the cognitive radio. The main requirements
of spectrum sensing are the prediction of signal status in multiple frequency bands in a low …

Malicious user detection in cooperative sensing environment using robust distance

N Swetha, DL Chaitanya, HB Valiveti… - Inventive Computation …, 2020 - Springer
Abstract In a Cooperative Spectrum Sensing environment, malicious secondary users (SU)
degrade the overall performance of the radio network. The existing techniques need to …