Results 21 to 30 of about 4,155 (271)
Multi-Radio Based Rendezvous Technique for Heterogeneous Cognitive Radio Sensor Network [PDF]
Sensors, 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 controller and other nodes, assisted rendezvous for distributed CR is inefficient in a dynamic network. As a
Islam, T, Kandeepan, S, Evans, RobinJ
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Cognitive Radio Networks as Sensor Networks [PDF]
, 2007 Cognitive radios are wireless communication networks that learn and adapt to variations in interference environment by changing their transmission and reception parameters, and as a result achieve much higher spectral efficiency and reliability. The technology relies on rapid and accurate sensing of interference characteristics such as detection and ...
Bandari, Dorna +3 more
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A robust and energy-efficient transport protocol for cognitive radio sensor networks. [PDF]
Sensors (Basel), 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 reconfigurability ...
Salim S, Moh S.
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International Journal of Distributed Sensor Networks, 2021 The development of a modern electric power grid has triggered the need for large-scale monitoring and communication in smart grids for efficient grid automation.
Emmanuel Ogbodo +2 more
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To Relay or Not to Relay in Cognitive Radio Sensor Networks [PDF]
IEEE Transactions on Vehicular Technology, 2015 Recent works proposed the relaying at the MAC layer in cognitive radio networks whereby the primary packets are forwarded by the secondary node maintaining an extra queue devoted to the relaying function. However, relaying of primary packets may introduce delays on the secondary packets (called secondary delay) and require additional power budget in ...
Fotis Foukalas, Tamer Khattab
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Unified Channel Management for Cognitive Radio Sensor Networks Aided Internet of Things. [PDF]
Sensors (Basel), 2018 Cognitive capabilities are indispensable for the Internet of Things (IoT) not only to equip them with learning, thinking, and decision-making capabilities but also to cater to their unprecedented huge spectrum requirements due to their gigantic numbers ...
Aslam S, Ansar-ul-Haq, Jang JW, Lee KG.
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An Energy-Efficient Game-Theory-Based Spectrum Decision Scheme for Cognitive Radio Sensor Networks. [PDF]
Sensors (Basel), 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 network
Salim S, Moh S.
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An energy-efficient and compact clustering scheme with temporary support nodes for cognitive radio sensor networks. [PDF]
Sensors (Basel), 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 use ...
Salim S, Moh S, Choi D, Chung I.
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ICBCA – Improved Cluster Based Channel Allocation in Cognitive Radio Sensor Networks
Journal of Telecommunications and Information Technology, 2020 Wireless sensor networks (WSNs) operate in an overcrowded electromagnetic environment, as the spectrum is shared by various wireless communication technologies. This gives rise to various challenges related to optimized and efficient spectrum utilization.
Veeranna Gatate, Jayashree Agarkhed
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Estimation of distribution algorithm for resource allocation in green cooperative cognitive radio sensor networks. [PDF]
Sensors (Basel), 2013 Due to the rapid increase in the usage and demand of wireless sensor networks (WSN), the limited frequency spectrum available for WSN applications will be extremely crowded in the near future.
Naeem M, Pareek U, Lee DC, Anpalagan A.
europepmc +2 more sources