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Omar Serghini, Hayat Semlali, Asmaa Maali, Abdelilah Ghammaz and Salvatore Serrano
Spectrum sensing is an essential function of cognitive radio technology that can enable the reuse of available radio resources by so-called secondary users without creating harmful interference with licensed users. The application of machine learning tec...
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Chuanzhe Gao, Shidang Li, Mingsheng Wei, Siyi Duan and Jinsong Xu
With the rapid development of wireless communication networks and Internet of Things technology (IoT), higher requirements have been put forward for spectrum resource utilization and system performance. In order to further improve the utilization of spec...
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Luis A. Camuñas-Mesa and José M. de la Rosa
The paradigm known as Cognitive Radio (CR) proposes a continuous sensing of the electromagnetic spectrum in order to dynamically modify transmission parameters, making intelligent use of the environment by taking advantage of different techniques such as...
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Liang Zhou, Weiqiang Xu, Chengqun Wang and Hsiao-Hwa Chen
Due to its flexible deployment and high mobility of unmanned aerial vehicles (UAVs), the UAV-assisted cognitive radio (CR) network has attracted a lot of attention as one of the most promising techniques to address spectrum congestion issues in futuristi...
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Ernesto Cadena Muñoz, Gustavo Chica Pedraza, Rafael Cubillos-Sánchez, Alexander Aponte-Moreno and Mónica Espinosa Buitrago
The primary user emulation (PUE) attack is one of the strongest attacks in mobile cognitive radio networks (MCRN) because the primary users (PU) and secondary users (SU) are unable to communicate if a malicious user (MU) is present. In the literature, so...
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Salvatore Serrano and Marco Scarpa
Quality of service (QoS) is a crucial requirement in distributed applications. Internet of Things architectures have become a widely used approach in many application domains, from Industry 4.0 to smart agriculture; thus, it is crucial to develop appropr...
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Rehna Batool, Nargis Bibi, Nazeer Muhammad and Samah Alhazmi
Cognitive Radio Network (CRN) is an emerging technology used to solve spectrum shortage problems in wireless communications. In CRN, unlicensed secondary users (SUs) and licensed primary users (PUs) use spectrum resources at the same time by avoiding any...
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David Góez, Paola Soto, Steven Latré, Natalia Gaviria and Miguel Camelo
Next-generation communication systems will face new challenges related to efficiently managing the available resources, such as the radio spectrum. DL is one of the optimization approaches to address and solve these challenges. However, there is a gap be...
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Mohamed S. AbuZeid, Yasmine A. Fahmy and Magdy S. El-Soudani
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 for ...
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Samuel D. Okegbile and Bodhaswar T. Maharaj
In this paper, we investigate users? performance under the hybrid spectrum access model in the massive cognitive radio network (CRN), where multiple primary users (PUs) and secondary users (SUs) transmit on the same channel simultaneously. SUs first dete...
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Carla E. Garcia, Mario R. Camana and Insoo Koo
Security is considered a critical issue in the deployment of 5G networks because of the vulnerability of information that can be intercepted by eavesdroppers in wireless transmission environments. Thus, physical layer security has emerged as an alternati...
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Said Lakhal,Zouhair Guennoun
Pág. 308 - 315
In a cognitive radio network, the licensed userscan partially or completely sell their spectra to the unlicensedusers. This paper examines a monopoly market with completeinformation and rational actors. At the beginning, we establish a necessary and suff...
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Chien-Min Wu, Yen-Chun Kao, Kai-Fu Chang
Pág. 45 - 55
Cognitive radios have the ability to dynamically sense and access the wireless spectrum, and this ability is a key factor in successfully building Internet-of-Things (IoT)-enabled mobile ad hoc networks. This paper proposes a contention-free token-based ...
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Chien-Min Wu, Yen-Chun Kao, Kai-Fu Chang
Cognitive radios have the ability to dynamically sense and access the wireless spectrum, and this ability is a key factor in successfully building Internet-of-Things (IoT)-enabled mobile ad hoc networks. This paper proposes a contention-free token-based ...
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Yongchul Kim
The rendezvous process is considered a key operation that allows a secondary user (SU) to access an unused authorized spectrum in cognitive radio networks (CRNs). Most existing works focused on fast guaranteed rendezvous without considering a sophisticat...
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Youness Arjoune, Zakaria El Mrabet and Naima Kaabouch
Cognitive radio is an intelligent wireless solution that aims to enhance the access to the radio spectrum. In this technology, secondary users sense the radio spectrum, select the best channel among a pool of free channels, and determine the optimal tran...
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MK Kaushik,Y Yoganandam,S K Sahoo
Pág. 239 - 248
With the recent emergence and its wide spread applicability Internet of Things (IoT) is putting pressure on network resources and most importantly on availability of spectrum. Spectrum scarcity is the issue to be addressed in networking within IoT. Cogni...
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Yongqun Chen, Huaibei Zhou, Ruoshan Kong, Li Zhu and Huaqing Mao
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Hyunsung Kim and Eun Kyung Ryu
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