Zobrazeno 1 - 10
of 530
pro vyhledávání: '"IEEE 802.22"'
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 3, Pp 167-177 (2022)
Wide-area communication systems using TV white space (TVWS) are promising technologies capable of full-coverage and cost-effective vehicular and transportation communications owing to their excellent propagation characteristics. IEEE 802.22 was devel
Externí odkaz:
https://doaj.org/article/51bef177d11f40f2b9f05bad654c54f1
Publikováno v:
IEEE Access, Vol 9, Pp 144587-144599 (2021)
During the design and development of a reliable transceiver, its performance and robustness are evaluated using channel models that simulate the propagation channel characteristics in a real-world environment. In the case of wide-area communication s
Externí odkaz:
https://doaj.org/article/0be778b5fbdf4cedbd6f16e2f3566497
Akademický článek
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Cooperative Spectrum Sensing in Cognitive Radio Networks: A Survey on Machine Learning-based Methods
Autor:
Sundous Khamayseh, Alaa Halawani
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 3 (2020)
The continuous growth of demand experienced by wireless networks creates a spectrum availability challenge. Cognitive radio (CR) is a promising solution capable of overcoming spectrum scarcity. It is an intelligent radio technology that may be progra
Externí odkaz:
https://doaj.org/article/9dc5bc86ec764d97a86641199df395d9
Publikováno v:
IEEE Access, Vol 6, Pp 7579-7592 (2018)
The IEEE 802.22 standard targets rural and sparsely populated regions exploiting television white space (TVWS) technology. In these regions, there are fewer mobile users per density and end-user traffic is light. Hence, there is a need to adopt traff
Externí odkaz:
https://doaj.org/article/5b7cf64020bc4fa4803d3c4e1190617b
Autor:
Abhijeet Bishnu, Vimal Bhatia
Publikováno v:
IEEE Access, Vol 5, Pp 17781-17794 (2017)
Wireless communication channels are highly prone to interference in addition to the presence of additive white Gaussian noise (AWGN). Stochastic gradient (SG)-based non-parametric maximum likelihood (NPML) estimator, gives better channel estimates in
Externí odkaz:
https://doaj.org/article/f824a6c302eb412da3dea5e4ae0cf6bd
Colombia tiene como propósito usar huecos en televisión Espectrales (TVWS por sus siglas en inglés) para conectar áreas rurales aisladas, para ello genera un marco legal con todas las condiciones técnicas y operativas en las bandas 470 MHz y 698
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3896::5542030d7384c9ac446294e19270de74
https://hdl.handle.net/11634/50374
https://hdl.handle.net/11634/50374
Avoiding collision among contending customer premise equipments (CPEs) attempting to associate with a base station (BS), the only available solution in IEEE 802.22 standard is binary exponential random backoff process in which the contending CPEs ret
Externí odkaz:
http://hdl.handle.net/10454/9109
Publikováno v:
EAI Endorsed Transactions on Cognitive Communications, Vol 1, Iss 1, Pp 1-9 (2014)
A two-hop wireless regional area network (WRAN) providing monitoring services operating in Television White Space (TVWS), i.e., IEEE P802.22b, may employ a great number of subscriber customer-premises equipments (S-CPEs) possibly without mains power
Externí odkaz:
https://doaj.org/article/e5adfcd1b04f433d9fc0fd7a867ac02e
Publikováno v:
IEEE Access, Vol 9, Pp 144587-144599 (2021)
During the design and development of a reliable transceiver, its performance and robustness are evaluated using channel models that simulate the propagation channel characteristics in a real-world environment. In the case of wide-area communication s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fcf9ecabfe5a545be67de6ca5d227c1
https://ieeexplore.ieee.org/document/9557289/
https://ieeexplore.ieee.org/document/9557289/