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434 Results Found

  • Communication
  • Open Access
4 Citations
2,543 Views
16 Pages

Multi-Radio Based Rendezvous Technique for Heterogeneous Cognitive Radio Sensor Network

  • Md. Tahidul Islam,
  • Sithamparanathan Kandeepan and
  • Robin. J. Evans

24 April 2021

In a distributed cognitive radio (CR) sensor network, transmission and reception on vacant channels require cognitive radio nodes to achieve rendezvous. Because of the lack of adequate assistance from the network environment, such as the central cont...

  • Article
  • Open Access
7 Citations
7,576 Views
15 Pages

Secure Beamforming in 5G-Based Cognitive Radio Network

  • Hyils Sharon Magdalene Antony and
  • Thulasimani Lakshmanan

9 October 2019

Cognitive radio network (CRN) and non-orthogonal multiple-access (NOMA) is a significant system in the 5G wireless communication system. However, the system is an exceptional way for the cognitive users to secure a communication from the interference...

  • Article
  • Open Access
16 Citations
3,308 Views
17 Pages

GRU-SVM Based Threat Detection in Cognitive Radio Network

  • Evelyn Ezhilarasi I and
  • J Christopher Clement

24 January 2023

Cognitive radio networks are vulnerable to numerous threats during spectrum sensing. Different approaches can be used to lessen these attacks as the malicious users degrade the performance of the network. The cutting-edge technologies of machine lear...

  • Article
  • Open Access
2 Citations
2,387 Views
12 Pages

Energy Efficient Multicast Communication in Cognitive Radio Wireless Mesh Network

  • Imran Baig,
  • Najam Ul Hasan,
  • Prajoona Valsalan and
  • Manaf Zghaibeh

27 July 2022

Multicasting is a basic networking primitive used in a wide variety of applications that is also true for cognitive radio-based networks. Although cognitive radio technology is considered to be the most promising technology to deal with spectrum scar...

  • Article
  • Open Access
34 Citations
4,407 Views
15 Pages

15 January 2022

Cognitive radio, as a key technology to improve the utilization of radio spectrum, acquired much attention. Moreover, spectrum sensing has an irreplaceable position in the field of cognitive radio and was widely studied. The convolutional neural netw...

  • Article
  • Open Access
13 Citations
4,145 Views
19 Pages

Cognitive radio (CR) is an adaptive radio technology that can automatically detect available channels in a wireless spectrum and change transmission parameters to improve the radio operating behavior. A CR ad-hoc network (CRAHN) should be able to coe...

  • Article
  • Open Access
28 Citations
5,993 Views
23 Pages

13 September 2020

Cognitive radio (CR) is a critical technique to solve the conflict between the explosive growth of traffic and severe spectrum scarcity. Reasonable radio resource allocation with CR can effectively achieve spectrum sharing and co-channel interference...

  • Article
  • Open Access
7 Citations
2,533 Views
25 Pages

In-Network Data Aggregation for Ad Hoc Clustered Cognitive Radio Wireless Sensor Network

  • Mohamad Rida Mortada,
  • Abbass Nasser,
  • Ali Mansour and
  • Koffi-Clément Yao

11 October 2021

In cognitive radio wireless sensor networks (CRSN), the nodes act as secondary users. Therefore, they can access a channel whenever its primary user (PU) is absent. Thus, the nodes are assumed to be equipped with a spectrum sensing (SS) module to mon...

  • Article
  • Open Access
19 Citations
3,676 Views
19 Pages

26 February 2020

For wireless communication networks, cognitive radio (CR) can be used to obtain the available spectrum, and wideband compressed sensing plays a vital role in cognitive radio networks (CRNs). Using compressed sensing (CS), sampling and compression of...

  • Article
  • Open Access
4 Citations
2,854 Views
11 Pages

9 August 2021

Cognitive radio (CR) is one of the emerging technologies for 4G/5G applications. Cooperative relay communications and network coding are some techniques that helped in enhancing the CR applications. This paper considers a primary broadcasting system...

  • Article
  • Open Access
9 Citations
4,134 Views
20 Pages

Resource Allocation in the Cognitive Radio Network-Aided Internet of Things for the Cyber-Physical-Social System: An Efficient Jaya Algorithm

  • Xiong Luo,
  • Zhijie He,
  • Zhigang Zhao,
  • Long Wang,
  • Weiping Wang,
  • Huansheng Ning,
  • Jenq-Haur Wang,
  • Wenbing Zhao and
  • Jun Zhang

27 October 2018

Currently, there is a growing demand for the use of communication network bandwidth for the Internet of Things (IoT) within the cyber-physical-social system (CPSS), while needing progressively more powerful technologies for using scarce spectrum reso...

  • Article
  • Open Access
25 Citations
3,306 Views
21 Pages

2 July 2018

Cognitive Radio (CR) is a promising technology to overcome spectrum scarcity, which currently faces lots of unsolved problems. One of the critical challenges for setting up such systems is how to coordinate multiple protocol layers such as routing an...

  • Article
  • Open Access
9 Citations
2,026 Views
17 Pages

30 March 2023

Energy efficiency and throughput are concerns for energy-harvesting cognitive radio networks. However, attaining the maximum level of both requires optimization of sensing duration, harvested energy, and transmission time. To obtain the optimal value...

  • Article
  • Open Access
10 Citations
5,042 Views
19 Pages

Unscented Kalman Filter Based on Spectrum Sensing in a Cognitive Radio Network Using an Adaptive Fuzzy System

  • Md Ruhul Amin,
  • Md Mahbubur Rahman,
  • Mohammad Amazad Hossain,
  • Md Khairul Islam,
  • Kazi Mowdud Ahmed,
  • Bikash Chandra Singh and
  • Md Sipon Miah

In this paper, we proposed the unscented Kalman filter (UKF) based on cooperative spectrum sensing (CSS) scheme in a cognitive radio network (CRN) using an adaptive fuzzy system—in this proposed scheme, firstly, the UKF to apply the nonlinear s...

  • Article
  • Open Access
492 Views
33 Pages

3 December 2025

Cognitive radio networks (CRNs) rely heavily on spectral sensing to detect primary user (PU) activity, yet detection at low signal-to-noise ratios (SNRs) remains a major challenge. Hence, a novel “Deep Wavelet Cyclostationary Independent Gaussi...

  • Article
  • Open Access
20 Citations
4,271 Views
19 Pages

Primary User Traffic Pattern Based Opportunistic Spectrum Handoff in Cognitive Radio Networks

  • Kaleem Arshid,
  • Iftikhar Hussain,
  • Muhammad Khawar Bashir,
  • Shahid Naseem,
  • Allah Ditta,
  • Natash Ali Mian,
  • Misha Zahid and
  • Israr Ali Khan

2 March 2020

Through the expeditious expansion of the wireless network, the unlicensed bandwidth-based devices are growing substantially as compared to the present vacant bandwidth. Cognitive radio networks present a proficient solution to the spectrum shortage d...

  • Article
  • Open Access
3 Citations
4,925 Views
28 Pages

15 September 2017

The data sequence of spectrum sensing results injected from dedicated spectrum sensor nodes (SSNs) and the data traffic from upstream secondary users (SUs) lead to unpredictable data loads in a sensor network-aided cognitive radio ad hoc network (SN-...

  • Review
  • Open Access
19 Citations
8,493 Views
34 Pages

Assessing Routing Strategies for Cognitive Radio Sensor Networks

  • Suleiman Zubair,
  • Norsheila Fisal,
  • Yakubu S. Baguda and
  • Kashif Saleem

26 September 2013

Interest in the cognitive radio sensor network (CRSN) paradigm has gradually grown among researchers. This concept seeks to fuse the benefits of dynamic spectrum access into the sensor network, making it a potential player in the next generation (Nex...

  • Article
  • Open Access
7 Citations
5,230 Views
18 Pages

20 October 2014

A cognitive radio sensor network (CRSN) is a wireless sensor network in which sensor nodes are equipped with cognitive radio. CRSNs benefit from cognitive radio capabilities such as dynamic spectrum access and transmission parameters reconfigurabili...

  • Article
  • Open Access
28 Citations
7,717 Views
21 Pages

20 April 2015

The advancement in electronics, wireless communications and integrated circuits has enabled the development of small low-power sensors and actuators that can be placed on, in or around the human body. A wireless body area network (WBAN) can be effect...

  • Review
  • Open Access
26 Citations
9,033 Views
19 Pages

Medium Access Control Protocols for Cognitive Radio Ad Hoc Networks: A Survey

  • Mahdi Zareei,
  • A. K. M. Muzahidul Islam,
  • Sabariah Baharun,
  • Cesar Vargas-Rosales,
  • Leyre Azpilicueta and
  • Nafees Mansoor

16 September 2017

New wireless network paradigms will demand higher spectrum use and availability to cope with emerging data-hungry devices. Traditional static spectrum allocation policies cause spectrum scarcity, and new paradigms such as Cognitive Radio (CR) and new...

  • Article
  • Open Access
23 Citations
4,998 Views
20 Pages

30 June 2016

A cognitive radio sensor network (CRSN) is a wireless sensor network in which sensor nodes are equipped with cognitive radio. In this paper, we propose an energy-efficient game-theory-based spectrum decision (EGSD) scheme for CRSNs to prolong the net...

  • Article
  • Open Access
13 Citations
6,674 Views
31 Pages

21 May 2014

The need for implementing reliable data transfer in resource-constrained cognitive radio ad hoc networks is still an open issue in the research community. Although geographical forwarding schemes are characterized by their low overhead and efficiency...

  • Article
  • Open Access
7 Citations
3,753 Views
21 Pages

5 April 2019

With the development of wireless communication technology, wireless body area networks (WBANs) have become a fundamental support tool in medical applications. In a real hospital scenario, however, the interference between wireless medical devices and...

  • Review
  • Open Access
45 Citations
6,979 Views
19 Pages

10 September 2016

Cognitive radio wireless sensor networks (CR-WSNs) have attracted a great deal of attention recently due to the emerging spectrum scarcity issue. This work attempts to provide a detailed analysis of the role of node clustering in CR-WSNs. We outline...

  • Review
  • Open Access
21 Citations
4,256 Views
28 Pages

A Review of Cognitive Hybrid Radio Frequency/Visible Light Communication Systems for Wireless Sensor Networks

  • Rodrigo Fuchs Miranda,
  • Carlos Henrique Barriquello,
  • Vitalio Alfonso Reguera,
  • Gustavo Weber Denardin,
  • Djeisson Hoffmann Thomas,
  • Felipe Loose and
  • Leonardo Saldanha Amaral

12 September 2023

The development and growth of Wireless Sensor Networks (WSNs) is significantly propelled by advances in Radio Frequency (RF) and Visible Light Communication (VLC) technologies. This paper endeavors to present a comprehensive review of the state-of-th...

  • Article
  • Open Access
11 Citations
3,025 Views
20 Pages

Machine Learning Techniques Based on Primary User Emulation Detection in Mobile Cognitive Radio Networks

  • Ernesto Cadena Muñoz,
  • Luis Fernando Pedraza and
  • Cesar Augusto Hernández

21 June 2022

Mobile cognitive radio networks (MCRNs) have arisen as an alternative mobile communication because of the spectrum scarcity in actual mobile technologies such as 4G and 5G networks. MCRN uses the spectral holes of a primary user (PU) to transmit its...

  • Article
  • Open Access
12 Citations
3,458 Views
17 Pages

15 April 2020

In the underlay cognitive radio networks, the radio environment maps (REMs) estimation is the main challenge in sensing the idle wireless spectrum resources. Traditional deep learning-based algorithms estimate the REMs on the basis of the high-qualit...

  • Article
  • Open Access
5 Citations
2,519 Views
17 Pages

18 November 2022

Energy harvesting (EH) and cooperative communication techniques have been widely used in cognitive radio networks. However, most studies on throughput in energy-harvesting cooperative cognitive radio networks (EH-CCRNs) are end-to-end, which ignores...

  • Article
  • Open Access
13 Citations
5,964 Views
15 Pages

Opportunistic Hybrid Transport Protocol (OHTP) for Cognitive Radio Ad Hoc Sensor Networks

  • Yousaf Bin Zikria,
  • Summera Nosheen,
  • Farruh Ishmanov and
  • Sung Won Kim

15 December 2015

The inefficient assignment of spectrum for different communications purposes, plus technology enhancements and ever-increasing usage of wireless technology is causing spectrum scarcity. To address this issue, one of the proposed solutions in the lite...

  • Review
  • Open Access
93 Citations
8,247 Views
19 Pages

11 September 2023

The aim of this systematic review was to identify the correlations between spectrum sensing, clustering algorithms, and energy-harvesting technology for cognitive-radio-based internet of things (IoT) networks in terms of deep-learning-based, nonortho...

  • Review
  • Open Access
10 Citations
3,743 Views
26 Pages

5 November 2018

The increase of application areas in wireless sensor networks demands novel solutions in terms of energy consumption and radio frequency management. Cognitive radio sensor networks (CRSNs) are key for ensuring efficient spectrum management, by making...

  • Article
  • Open Access
4 Citations
5,407 Views
8 Pages

Decentralized Blind Spectrum Selection in Cognitive Radio Networks Considering Handoff Cost

  • Yongqun Chen,
  • Huaibei Zhou,
  • Ruoshan Kong,
  • Li Zhu and
  • Huaqing Mao

Due to the spectrum varying nature of cognitive radio networks, secondary users are required to perform spectrum handoffs when the spectrum is occupied by primary users, which will lead to a handoff delay. In this paper, based on the multi-armed band...

  • Article
  • Open Access
6 Citations
2,929 Views
15 Pages

24 April 2022

The Age of Information (AoI) measures the freshness of information and is a critic performance metric for time-sensitive applications. In this paper, we consider a radio frequency energy-harvesting cognitive radio network, where the secondary user ha...

  • Article
  • Open Access
1 Citations
1,423 Views
22 Pages

Multiple PUE Attack Detection in Cooperative Mobile Cognitive Radio Networks

  • Ernesto Cadena Muñoz,
  • Gustavo Chica Pedraza and
  • Alexander Aponte Moreno

4 December 2024

The Mobile Cognitive Radio Network (MCRN) are an alternative to spectrum scarcity. However, like any network, it comes with security issues to analyze. One of the attacks to analyze is the Primary User Emulation (PUE) attack, which leads the system t...

  • Article
  • Open Access
16 Citations
3,638 Views
15 Pages

Rényi Entropy-Based Spectrum Sensing in Mobile Cognitive Radio Networks Using Software Defined Radio

  • Ernesto Cadena Muñoz,
  • Luis Fernando Pedraza Martínez and
  • Cesar Augusto Hernandez

6 June 2020

A very important task in Mobile Cognitive Radio Networks (MCRN) is to ensure that the system releases a given frequency when a Primary User (PU) is present, by maintaining the principle to not interfere with its activity within a cognitive radio syst...

  • Article
  • Open Access
10 Citations
5,989 Views
20 Pages

11 August 2014

A cognitive radio sensor network (CRSN) is a wireless sensor network whose sensor nodes are equipped with cognitive radio capability. Clustering is one of the most challenging issues in CRSNs, as all sensor nodes, including the cluster head, have to...

  • Article
  • Open Access
36 Citations
7,495 Views
19 Pages

Energy-Efficient Cognitive Radio Sensor Networks: Parametric and Convex Transformations

  • Muhammad Naeem,
  • Kandasamy Illanko,
  • Ashok Karmokar,
  • Alagan Anpalagan and
  • Muhammad Jaseemuddin

21 August 2013

Designing energy-efficient cognitive radio sensor networks is important to intelligently use battery energy and to maximize the sensor network life. In this paper, the problem of determining the power allocation that maximizes the energy-efficiency o...

  • Article
  • Open Access
8 Citations
3,197 Views
24 Pages

18 July 2019

Integrating cognitive radio into the current power grid is designed to enable smart communication and decisions within the grid. Communication within the grid is not feasible without channel(s) and most studies have emphasized the use of cellular spe...

  • Feature Paper
  • Article
  • Open Access
14 Citations
2,932 Views
14 Pages

Wireless sensor networks are considered an integral part of the Internet of Things, which is the focus of research centers and governments around the world. Clustering mechanisms and cognitive radio, in turn, are considered promising wireless network...

  • Article
  • Open Access
9 Citations
2,975 Views
20 Pages

Entice to Trap: Enhanced Protection against a Rate-Aware Intelligent Jammer in Cognitive Radio Networks

  • Khalid Ibrahim,
  • Abdullah M. Alnajim,
  • Aqdas Naveed Malik,
  • Athar Waseem,
  • Saleh Alyahya,
  • Muhammad Islam and
  • Sheroz Khan

3 March 2022

Anti-jamming in cognitive radio networks (CRN) is mainly accomplished using machine learning techniques in the domains of frequency, coding, power and rate. Jamming is a major threat to CRN because it can cause severe performance damage such as netwo...

  • Article
  • Open Access
61 Citations
5,739 Views
19 Pages

6 January 2020

In the underlay cognitive radio networks, the main challenge in detecting the idle radio resources is to estimate the power spectrum maps (PSMs), where the radio propagation characteristics are hard to obtain. For this reason, we propose a novel PSMs...

  • Proceeding Paper
  • Open Access
8 Citations
2,370 Views
7 Pages

18 January 2018

In recent year, the most emerging and growing field of research and development is “Internet of Things” (IoT). This is due to advancement in wireless sensor network (WSN) which operate in the unlicensed industrial, scientific and medical (ISM) spectr...

  • Article
  • Open Access
10 Citations
2,840 Views
11 Pages

19 February 2020

Spectrum handoff is one of the key techniques in a cognitive radio system. In order to improve the agility and the reliability of spectrum handoffs as well as the system throughput in hybrid cognitive radio networks (HCRNs) combing interweave mode wi...

  • Article
  • Open Access
7 Citations
2,542 Views
21 Pages

9 April 2021

This article studies the strategic access of single-server retrial queue with two types of customers, where priority is given according to their category. On the basis of this concept, a cognitive-radio network was developed as retrial queue with ene...

  • Article
  • Open Access
10 Citations
3,929 Views
20 Pages

Distributed Spectrum Management in Cognitive Radio Networks by Consensus-Based Reinforcement Learning

  • Dejan Dašić,
  • Nemanja Ilić,
  • Miljan Vučetić,
  • Miroslav Perić,
  • Marko Beko and
  • Miloš S. Stanković

23 April 2021

In this paper, we propose a new algorithm for distributed spectrum sensing and channel selection in cognitive radio networks based on consensus. The algorithm operates within a multi-agent reinforcement learning scheme. The proposed consensus strateg...

  • Proceeding Paper
  • Open Access
8 Citations
4,043 Views
11 Pages

Cognitive Radio Network Technology for IoT-Enabled Devices

  • Omer Al-Dulaimi,
  • Mohammed Al-Dulaimi,
  • Aymen Al-Dulaimi and
  • Maiduc Osiceanu Alexandra

The exponential development of wireless applications has increased problems in the spectrum. The unlicensed frequency spectrum is becoming highly saturated, in order to support the conditions of new radio devices with increasing data rates. The spect...

  • Article
  • Open Access
9 Citations
5,926 Views
19 Pages

20 July 2016

Cognitive radio can significantly improve the spectrum efficiency, and spectrum handoff is considered as an important functionality to guarantee the quality of service (QoS) of primary users (PUs) and the continuity of data transmission of secondary...

  • Article
  • Open Access
9 Citations
4,912 Views
20 Pages

2 August 2017

In cognitive radio networks (CRNs), spectrum sensing is critical for guaranteeing that the opportunistic spectrum access by secondary users (SUs) will not interrupt legitimate primary users (PUs). The application of full-duplex radio to spectrum sens...

  • Article
  • Open Access
6 Citations
3,323 Views
14 Pages

29 January 2019

In this paper, we study the connectivity of cognitive radio ad-hoc networks (CRAHNs) where primary users (PUs) and secondary users (SUs) are randomly distributed in a given area following a homogeneous Poisson process. Moreover, for the sake of more...

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