Results 41 to 50 of about 1,034,587 (282)

Dynamic spectrum sharing access technology based on blockchain

物联网学报, 2020
The blockchain technology written in the smart contract has advantages of the enabling intelligent settlement,value transfer and resource sharing,which provides a new secure and trusted platform for the dynamic spectrum sharing system.Firstly,the ...
Wei WANG, Zuguang LI, Qihui WU
doaj   +2 more sources

Trading-Based Dynamic Spectrum Access and Allocation in Cognitive Internet of Things

IEEE Access, 2019
Next-generation mobile communication networks promise the support for vast number of IoT devices with strong demand for spectrum access. The cater for the continuous growth of IoT applications, one of the challenges to mobile communication network ...
Feng Li, Kwok-Yan Lam, Limin Meng, Hao Luo, Li Wang   +4 more
doaj   +1 more source

Estimation of Primary Channel Mean Period Based on State Transition Probability in Cognitive Radio

IEEE Access, 2022
Primary channel mean period plays an important role in improving the performance of Dynamic Spectrum Access (DSA), because many algorithms to improve the performance of Cognitive Radio (CR) need to use the channel mean period as a prior knowledge ...
Weiqin Li, Guoliang Shentu, Xiang Gao
doaj   +1 more source

Wireless Network Design Optimization for Computer Teaching with Deep Reinforcement Learning Application

Applied Artificial Intelligence, 2023
Computer technology has had a significant impact on the field of education, and its use in classrooms has facilitated the spread of knowledge and has helped students become well-rounded citizens.
Yumei Luo, Deyu Zhang
doaj   +1 more source

A Stochastic Spectrum Trading and Resource Allocation Framework for Opportunistic Dynamic Spectrum Access Networks

IEEE Access, 2022
In this article, the spectrum trading problem between primary users and secondary networks is investigated. The secondary network requests multiple channels with the targeted availability to satisfy its users’ demands. Due to the uncertainty about
Mohamed Abdelraheem, Mohammad M. Abdellatif   +1 more
doaj   +1 more source

A Monitoring Network for Spectrum Governance [PDF]

, 2010
Dynamic Spectrum Access (DSA) is an exciting new technology, which has introduced a paradigm shift in spectrum access. As a result it also changes the role of the regulator.
Schiphorst, Roel, Slump, Cornelis H.
core   +4 more sources

Application-aware dynamic spectrum access [PDF]

Wireless Networks, 2011
Dynamic Spectrum Access (DSA) allows unlicensed wireless devices to opportunistically access unoccupied licensed spectrum bands. DSA yields efficient spectrum utilization which can greatly improve wireless networking performance. In this paper, we advocate application-awareness to effectively manage the side-effects of DSA that can offset its benefits ...
Ashwini Kumar, Kang G. Shin
openaire   +1 more source

Evolution Toward Data-Driven Spectrum Sharing: Opportunities and Challenges

IEEE Access, 2023
As the demand for wireless services continues to grow, the need for efficient and effective management of the radio frequency (RF) spectrum becomes increasingly important. A spectrum management approach based on data analysis and interpretation i.e. data-
Colin Brown, Amir Ghasemi
doaj   +1 more source

Joint spectrum sensing and access for stable dynamic spectrum aggregation [PDF]

, 2015
International ...
Lin Chen, Lingcen Wu, Wei Wang, Zhaoyang Zhang   +3 more
core   +3 more sources

Spectrum Hole Geolocation for Database-Driven IoT-Enabled Dynamic Spectrum Access

IEEE Access
The effective realization of dynamic spectrum access (DSA) subsumes that, when a secondary terminal seeks a vacant band, the geolocation of the candidate spectrum hole coincides with the position of the terminal.
Dayan Adionel Guimaraes
doaj   +1 more source