An Efficient Composite Two-Tier Threshold Cooperative Spectrum Sensing Technique for 5G Systems
Sign Up to like & getrecommendations! Published in 2021 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-021-05938-4
Abstract: There are fixed thresholds in the conventional double threshold sensing techniques. There is no sensing or confusion region when the test statistic lies between high and low thresholds leading to meager detection probability and lengthier… read more here.
Keywords: two tier; composite two; cooperative spectrum; spectrum ... See more keywords
Optimal sensing, fusion and transmission with primary user protection for energy-efficient cooperative spectrum sensing in CRNs
Sign Up to like & getrecommendations! Published in 2019 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2018.10.031
Abstract: Abstract In this paper, energy efficiency for cooperative spectrum sensing in cognitive radio network is investigated and optimized. The novel mathematical formulation of energy efficiency maximization problem by considering number of secondary users, sensing time,… read more here.
Keywords: optimal sensing; cooperative spectrum; energy; transmission ... See more keywords
Cluster-based distributed cooperative spectrum sensing over Nakagami fading using diversity reception
Sign Up to like & getrecommendations! Published in 2019 at "IET Networks"
DOI: 10.1049/iet-net.2018.5002
Abstract: Cooperative spectrum sensing (CSS) can solve the problem of hidden terminal in cognitive radio (CR). CSS can be employed in two ways distributed and centralised. In wireless networking, clustering can provide network scalability, better resource… read more here.
Keywords: cooperative spectrum; cluster based; css; based distributed ... See more keywords
A Full Diversity Cooperative Spectrum Sharing Scheme for Cognitive Radio Networks
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DOI: 10.1109/access.2017.2732221
Abstract: This paper presents an enhanced cooperative spectrum sharing scheme in a cognitive radio network, which consists of two pairs: a primary transmitter-primary receiver pair and a secondary base station-secondary receiver pair. The developed scheme is… read more here.
Keywords: scheme cognitive; diversity; spectrum sharing; cooperative spectrum ... See more keywords
Simultaneous Wireless Information and Power Transfer for Dynamic Cooperative Spectrum Sharing Networks
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2018.2885849
Abstract: In this paper, we provide a comprehensive performance analysis of simultaneous wireless information and power transfer (SWIPT) for cognitive relay networks with different relay schemes. In the considered system, the energy-constrained secondary transmitter harvests the… read more here.
Keywords: spectrum sharing; cooperative spectrum; power; energy ... See more keywords
Channel Status Learning for Cooperative Spectrum Sensing in Energy-Restricted Cognitive Radio Networks
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2916065
Abstract: A cognitive radio (CR) is a promising technology to solve the emerging spectrum crisis, especially for applications where thousands of wireless sensor nodes are deployed. Since continuous spectrum sensing will greatly reduce the lifetime of… read more here.
Keywords: cooperative spectrum; spectrum; cognitive radio; energy ... See more keywords
Soft Decision Cooperative Spectrum Sensing With Entropy Weight Method for Cognitive Radio Sensor Networks
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3001006
Abstract: By fully utilizing the spatial gain and exploiting the multiuser diversity, cooperative spectrum sensing can enhance the sensing accuracy. In the actual wireless environment, the effect of shadowing and fading will result in the different… read more here.
Keywords: cooperative spectrum; entropy weight; decision; weight method ... See more keywords
Cooperative Spectrum Sensing Algorithm Based on Evolutionary Game Theory
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3188794
Abstract: To address the inert behavior of cognitive users who do not sense to increase their throughput in the collaborative spectrum sensing process, a spectrum sensing model with a contribution reward and punishment mechanism is proposed… read more here.
Keywords: spectrum sensing; evolutionary game; spectrum; cooperative spectrum ... See more keywords
Multi-Agent Learning and Bargaining Scheme for Cooperative Spectrum Sharing Process
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3268754
Abstract: Recently, the lack of spectrum resources has become a key technical bottleneck to develop the Industrial Internet of Things (IIoT). Based on cognitive radio technology, the cognitive IIoT (CIIoT) paradigm can improve spectrum utilization via… read more here.
Keywords: ciiot; multi agent; spectrum; ciiot system ... See more keywords
Cooperative Spectrum Sensing With Heterogeneous Devices: Hard Combining Versus Soft Combining
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2016.2582647
Abstract: Practical cognitive radio networks (CRNs) would have users with different capabilities and access levels to prior information about the primary users (PUs). For instance, some users may have the privilege to access information about the… read more here.
Keywords: spectrum sensing; cooperative spectrum; soft combining; detector ... See more keywords
Cooperative Spectrum Sensing Meets Machine Learning: Deep Reinforcement Learning Approach
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2020.2984430
Abstract: Cognitive radio network (CRN) emerged to utilize the frequency bands efficiently. To use the frequency bands efficiently without any interference on the licensed user, detection of the frequency holes is the first step, which is… read more here.
Keywords: cooperative spectrum; deep reinforcement; spectrum; machine learning ... See more keywords