Results 21 to 30 of about 5,132,694 (221)

Dynamic Spectrum Sharing Models for Cognitive Radio Aided Ad Hoc Networks and Their Performance Analysis [PDF]

open access: yes, 2011
In this paper, two dynamic spectrum sharing models are proposed, namely a Markov-chain model and a queue-based model in order, to evaluate the performance of CRAHNs, where the shared Primary Channels (PCs) are complemented by unshared Secondary Channels (
Liu, Gan   +5 more
core   +2 more sources

Coordinated Allocation of Radio Resources to Wi-Fi and Cellular Technologies in Shared Unlicensed Frequencies

open access: yesIEEE Access, 2021
Wireless connectivity is essential for industrial production processes and workflow management. Moreover, the connectivity requirements of industrial devices, which are usually long-term investments, are diverse and require different radio interfaces. In
David Candal-Ventureira   +3 more
doaj   +1 more source

Dynamic spectrum sharing access technology based on blockchain

open access: yes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

Information reuse in dynamic spectrum access [PDF]

open access: yes, 2013
Dynamic spectrum access (DSA), where the permission to use slices of radio spectrum is dynamically shifted (in time an in different geographical areas) across various communications services and applications, has been an area of interest from technical ...
Tipper, D   +8 more
core   +1 more source

Spectrum Sensing Scheme Measuring Packet Lengths of Interfering Systems for Dynamic Spectrum Sharing

open access: yesIEEE Access, 2021
For the dynamic spectrum sharing (DSS), this paper proposes a spectrum sensing scheme that measures packet lengths of interfering systems. DSS requires spectrum sensing techniques to measure a length of time for which the interfering systems use a ...
Hideya So, Hayato Soya, Kazuhiko Fukawa
doaj   +1 more source

Efficient dynamic spectrum sharing through rate compensation and spectrum handoff [PDF]

open access: yes2013 Proceedings IEEE INFOCOM, 2013
In this work, we propose a heuristic for dynamic spectrum sharing in cognitive radio networks. The concept of rate compensation is introduced so that cognitive radio users are able to achieve their rate requirement by performing adequately spectrum handoffs.
Lertsinsrubtavee, Adisorn   +2 more
openaire   +3 more sources

Systematization of Knowledge: Spectrum Sharing Between Radar and Communications

open access: yesIEEE Access, 2023
To help meet the growing demand for wireless data capacity, the United States Federal Communications Commission (FCC) and National Telecommunications and Information Administration (NTIA) define and regulate a spectrum-sharing approach in several radio ...
Joseph Tolley   +2 more
doaj   +1 more source

Dynamic primary-secondary spectrum sharing with cellular systems [PDF]

open access: yesProceedings of the 5th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2010
This paper considers primary-secondary spectrum sharing when the primary is a cellular system. Sharing is allowed if primary communications can withstand additional interference, rather than if there are no primary communications. We consider cases when primary and secondary systems cooperate (cooperative sharing) and when they do not (coexistent ...
Rathapon Saruthirathanaworakun   +1 more
openaire   +2 more sources

User-Centric Spectrum Sharing in Dynamic Network Architecture [PDF]

open access: yes2016 IEEE Globecom Workshops (GC Wkshps), 2016
Dynamic network architecture (DNA) has emerged as a promising networking paradigm which establishes a low-cost ubiquitous network connectivity without the need for significant changes in software and hardware infrastructure. In this concept the major player in spectrum sharing process is the user itself hence the name user-centric spectrum sharing ...
Shams Shafigh Alireza, Glisic Savo
openaire   +3 more sources

Review and prospect on the research of dynamic spectrum sharing

open access: yesDianxin kexue, 2016
As one of the most efficient ways to alleviate the problem of spectrum scarcity,dynamic spectrum sharing has drawn worldwide attention. Firstly,the concept of dynamic spectrum sharing was briefly introduced.
Yan FENG, Hao SUN, Ying XU, Jian FANG
doaj   +2 more sources

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