Zobrazeno 1 - 10
of 455
pro vyhledávání: '"TVWS"'
Publikováno v:
Visión Electrónica, Vol 17, Iss 1 (2023)
La elaboración de esta investigación va dirigida a conocer los aspectos más importantes de la tecnología TV White Spaces (TVWS), como la operación, arquitectura, casos de uso, regulación e implementaciones en Colombia y en diversas partes del m
Externí odkaz:
https://doaj.org/article/1ec841c34ee4414294cccb5e0f65aa86
Publikováno v:
Heliyon, Vol 9, Iss 3, Pp e13752- (2023)
This study proposes a novel hybrid Firefly Algorithm, Genetic Algorithm, and Ant Colony Optimization Algorithm (FAGAACO) for spectrum allocation in TV White Space (TVWS) networks. The Genetic Algorithm (GA) was used in the design to provide cross-ove
Externí odkaz:
https://doaj.org/article/6179c51eaecf4a64949b7c073d711f76
Autor:
Reza E. Rad, Yasser M. Qaragoez, Sungjin Kim, Arash Hejazi, Dong Gyu Kim, Danial Khan, Imran Ali, Behnam S. Rikan, Sang-Sun Yoo, Younggun Pu, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
Publikováno v:
IEEE Access, Vol 10, Pp 54214-54220 (2022)
This paper presents a wide-band multi-level switched mode class-E/F23 Power Amplifier (PA) with a reconfigurable power stage core transistor and a load with reconfigurable reactance compensation part. An Automatic Calibration Scheme (ACS) is proposed
Externí odkaz:
https://doaj.org/article/bde7feabc19c4875ab5dddc464097164
Autor:
Anjali R. Askhedkar, Bharat S. Chaudhari, Maha Abdelhaq, Raed Alsaqour, Rashid Saeed, Marco Zennaro
Publikováno v:
Future Internet, Vol 15, Iss 8, p 270 (2023)
Low power wide area network (LPWAN) is a wireless communication technology that offers large coverage, low data rates, and low power consumption, making it a suitable choice for the growing Internet of Things and machine-to-machine communication appl
Externí odkaz:
https://doaj.org/article/1ea9a90af9f34949a67df3bea9043960
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 2, Pp 2449-2462 (2021)
Even at the current age of sophisticated communication systems, remote rural communities with low user density throughout the world lack broadband Internet service of good quality. Traditional ways fall short to meet the demand of those regions due t
Externí odkaz:
https://doaj.org/article/9c2d9825883b4d849f7d7c5f4c5444be
Autor:
Hadeel S. Abed, Hikmat N. Abdullah
Publikováno v:
Iraqi Journal of Information & Communication Technology, Vol 1, Iss 1 (2021)
Cognitive radio (CR) is a promising technology for solving spectrum sacristy problem. Spectrum sensing is the main step of CR. Sensing the wideband spectrum produces more challenges. Compressive sensing (CS) is a technology used as spectrum sening in
Externí odkaz:
https://doaj.org/article/0770cea1bbcb4b0e9af4ba2e481267db
Akademický článek
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Akademický článek
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Autor:
Moses Ismail
Publikováno v:
Tanzania Journal of Engineering and Technology; Vol. 41 No. 3 (2022): Sixth Tanzania Annual ICT (TAIC) Conference; 22-28
This study compared the CAPEX requirements for a television white space (TVWS) based broadband network and that of deploying the UMTS based mobile broadband networks to deliver broadband connectivity in areas with sparse population which characterize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f893026703772fb5705390e2f7e632a
https://doi.org/10.52339/tjet.v41i3.841
https://doi.org/10.52339/tjet.v41i3.841
Publikováno v:
Telfor Journal, Vol 9, Iss 2, Pp 80-85 (2017)
Cognitive Radio has now become a realistic option for the solution of the spectrum scarcity problem in wireless communication. TV channels (the primary user) can be protected from secondary-user interference by accurate prediction of TV White Spaces
Externí odkaz:
https://doaj.org/article/06565b58865048b18e1b36568c474f4a