Results 251 to 260 of about 1,521,290 (297)

Leapfrogging in mobile telephony: A measure for comparing country performance

Technological Forecasting and Social Change, 2009
There is widespread agreement as to what constitutes leapfrogging in technology and also that mobile phones are a good example of this phenomenon. What is lacking in the literature, however, is any attempt to operationalize the notion of leapfrogging in a way that allows us to rank different countries.
openaire   +2 more sources

Introduction to Mobile Telephony

2002
What follows is concerned with the evolution of, and prospects for, so-called third-generation or 3G services provided using mobile devices. It is particularly concerned with developments in Western Europe because that is where most progress has so far been made in terms of the number of countries involved, but full account is also taken of ...
openaire   +1 more source

Advanced Noise Reduction for Mobile Telephony

Computer, 2008
Mobile telephones now contain advanced noise reduction based on the operation of the human hearing system.
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Mobile Internet telephony: mobility extension to H.323

IEEE Transactions on Vehicular Technology, 2001
This paper studies mobility extensions to ITU-T Rec. H.323 for the support of mobile Internet telephony. Internet telephony, also known as voice-over Internet protocol (IP) (VoIP), requires the transmission of two-way and real-time traffic over IP-based networks.
openaire   +1 more source

Mobile Telephony: Evidence of Harm?

Current trends in radiation protection, 2020
B. Veyret
semanticscholar   +1 more source

Mobile telephony in the UK [PDF]

, 1997
This paper discusses aspects of recent policy towards mobile telephony in the U.K., including (i) the level of retail charges for calls from fixed to mobile networks, (ii) the level of call termination charges on mobile networks, and (iii) the level of connection subsidies offered by mobile networks.
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Mobile Cellular Telephony

2022
Marcelo Sampaio de Alencar, Djalma de Melo Carvalho Filho   +1 more
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Motor telephony: the practices and problems of regulating mobile telephony and driving

2007
This thesis is about the uses of mobile phones while driving, the problems they create and the strategies which have been adopted in addressing the practice. Using a cross-disciplinary framework, I provide a rich description of the regulatory options that have been debated and implemented, highlighting the differences between Victorian, Australian and ...
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Mobile Telephony

2012
Steffen Hoernig, Tommaso Valletti
openaire   +1 more source

Identity Confidentiality in 5G Mobile Telephony Systems

IACR Cryptology ePrint Archive, 2018
H. Khan, Benjamin Dowling, K. Martin
semanticscholar   +1 more source