Zobrazeno 1 - 10
of 203
pro vyhledávání: '"Philip Constantinou"'
Publikováno v:
Communications, Vol 14, Iss 2, Pp 48-54 (2012)
Digital video broadcasting (DVB) transmission technologies are suitable for wireless delivery of multimedia content both to static and mobile end-users. On the one hand, DVB-T standard has been adopted for digital terrestrial television (DTT) and it
Externí odkaz:
https://doaj.org/article/6661a615f305404f98c9665fa27f6a3b
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
Inverted-F antennas (IFAs) are a primary choice to implement the radiating system of portable devices. A tried and tested idea can remain topical if proven useful in modern applications. This paper shows that printed IFAs (PIFAs) are capable of formi
Externí odkaz:
https://doaj.org/article/69323347f4d94b5f81d3c471352395e7
Publikováno v:
International Journal of Antennas and Propagation, Vol 2010 (2010)
Wireless sensors emerged as narrowband, resource-constrained devices to provide monitoring services over a wide life span. Future applications of sensor networks are multimedia-driven and include sensor mobility. Thus, sensors must combine small size
Externí odkaz:
https://doaj.org/article/0b3e7e19db274438b55ad3597808862d
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2009 (2009)
This paper presents results of a narrowband measurement campaign conducted inside a Boeing 737–400 aircraft, the objective being the development of a propagation prediction model which can be used in the deployment of in-cabin wireless networks. Th
Externí odkaz:
https://doaj.org/article/6418915bebd94a499dd5f04fef832ccd
Publikováno v:
International Journal of Telemedicine and Applications, Vol 2008 (2008)
The present paper studies the prospective and the performance of a forthcoming high-speed third generation (3.5G) networking technology, called enhanced uplink, for delivering mobile health (m-health) applications. The performance of 3.5G networks is
Externí odkaz:
https://doaj.org/article/a3aa90c4e28a4dea97867ed3537d83eb
Autor:
Nektarios Moraitis, Constantine G. Kakoyiannis, A. Marousis, Athanasios G. Kanatas, Philip Constantinou, Panagiotis N. Vasileiou
Publikováno v:
IEEE Antennas and Propagation Magazine. 56:123-141
This paper presents a design performed for the digital terrestrial television network in Greece. Based on the initial assumptions provided by the General Secretariat of Telecommunications, and the functional requirements of modern broadcasting networ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::912f59d5970c82dc93799905bd5d591e
https://doi.org/10.1109/map.2014.7011024
https://doi.org/10.1109/map.2014.7011024
Publikováno v:
Wireless Personal Communications. 78:449-474
Efficient radio spectrum utilization can be improved using cognitive radio technology. In this work, we consider a spectrum underlay cognitive radio system operating in a fading environment. We propose an efficient power control scheme that maximizes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78a4b1ec0dd20ecdb521bb3c8e58b461
https://doi.org/10.1007/s11277-014-1761-8
https://doi.org/10.1007/s11277-014-1761-8
Publikováno v:
Transactions on Emerging Telecommunications Technologies. 27:146-152
Cognitive radio CR technology aspires to the efficient usage of the limited and underutilised radio spectrum resources. Constituting a flexible and intelligent network, the unlicensed secondary users SUs may coexist with the licensed primary users PU
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79e4e55fa641c13ac8703521a50369b3
https://doi.org/10.1002/ett.2823
https://doi.org/10.1002/ett.2823
Publikováno v:
Serbian Journal of Electrical Engineering, Vol 11, Iss 3, Pp 435-455 (2014)
The purpose of this paper is to present fully automated systems that monitors on a real time basis the non-ionizing electromagnetic radiation emitted by wireless networks. The presented radio monitoring systems aim to perform repetitive and reliable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1834a7d4070233a23cd7ec7cbc0f9251
http://www.doiserbia.nb.rs/img/doi/1451-4869/2014/1451-48691403435P.pdf
http://www.doiserbia.nb.rs/img/doi/1451-4869/2014/1451-48691403435P.pdf