Results 21 to 30 of about 33,992 (111)
Optimal sensing performance for cooperative and non-cooperative cognitive radio networks
International Journal of Distributed Sensor Networks, 2017 Spectrum sensing has gained new aspects with the advent of cognitive radio and opportunistic spectrum access techniques. Spectrum sensing plays a vital role in cognitive radio networks, and its reliability determines the success of transmission.
Waqas Khalid, Heejung Yu
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Distributed Cognitive Radio Spectrum Access with Imperfect Sensing Using CTMC
International Journal of Distributed Sensor Networks, 2013 Cognitive radio (CR) has become an efficient approach for the utilization of scarce spectrum by enabling spectrum access in an opportunistic manner.
K. Muthumeenakshi, S. Radha
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Optimizing Spectrum Utilization and Security in SAS-Enabled CBRS Systems for Enhanced 5G Performance
IEEE AccessWith the growing demand for delay-sensitive voice, video, and data-based applications, the challenge of efficient spectrum utilization is becoming more critical.
Waseem Abbass +5 more
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On multiple handoff blocking‐then‐reaccess for opportunistic spectrum access
IET CommunicationsOpportunistic spectrum access (OSA), a promising technology to resolve radio spectrum scarcity, is still faced with some challenges, of which one is potentially frequent channel handoff (CH) even handoff blocking (HB) for secondary user (SU) to avoid ...
Jing Zhang +4 more
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A Machine Learning Approach for Backoff Manipulation Attack Detection in Cognitive Radio
IEEE Access, 2020 Cognitive radio (CR) is a promising paradigm that comes to address the scarcity of the radio spectrum by providing opportunistic utilization of the underutilized licensed channels to attain higher spectrum efficiency.
Wassim Fassi Fihri +3 more
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Journal of Applied Mathematics, 2013 The optimization problem for the performance of opportunistic spectrum access is considered in this study. A user, with the limited sensing capacity, has opportunistic access to a communication system with multiple channels.
Xiaofeng Jiang, Hongsheng Xi
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On the performance of single ring law based sensing approaches for opportunistic spectrum access
Engineering Science and Technology, an International Journal, 2018 Multiple antenna systems are becoming increaingly prominent startig from 4G systems to the evolving 5G systems. During the course of these system deployments, spectrum scarcity has been a well prevailing problem.
Dhana Lakshmi Potteti +1 more
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International Journal of Distributed Sensor Networks, 2013 Cognitive radio (CR) is a regulated technique for opportunistic access of idle resources. In CR, spectrum sensing is one of the key functionalities. It is used to sense the unused spectrum in an opportunistic manner.
Ashish Bagwari, Geetam Singh Tomar
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ENERGY EFFICENT AUCTION BASED DYNAMIC SPECTRUM ACCESS NETWORK
International Islamic University Malaysia Engineering Journal, 2017 A framework is proposed which is aimed at increasing the much needed revenue of the wireless service providers. The model uses the price paid by the wireless users to control the amount of energy consumed and the admission process based on a dynamic ...
Abdulkarim Ayopo Oloyede
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IEEE Access, 2018 We investigate the spatial spectrum sharing mechanism design in fog-aided cognitive radio (CR) networks with the methods of guard zone and interference cancellation.
Chao Jia, Xiaoshi Song, Xiangbo Meng
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