Results 271 to 280 of about 48,854 (319)
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Mobile WiMAX rollouts announced [Mobile Radio]
IEEE Vehicular Technology Magazine, 2006Sprint Nextel has announced its plans to develop and deploy what it claims will be the first 4G nationwide broadband mobile network. The 4G wireless broadband network will use the mobile WiMAX (worldwide interoperability for microwave access) IEEE 802.16e-2005 technology standard.
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The age of mobility [radio communication]
Proceedings of 8th Mediterranean Electrotechnical Conference on Industrial Applications in Power Systems, Computer Science and Telecommunications (MELECON 96), 2002Presents a general discussion of the concept of mobile radio communication and how it is evolving. Various types of mobility are considered.
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The Antennas for Mobile Radio Communications
31st European Microwave Conference, 2001, 2001The results of new two-frequency two-vibrator radiators researches are presented. It is shown that under certain ratios of operational frequencies there is a current cut-off effect between vibrators that provides optimum quasiisotropic patterns.
V. Ovsyanikov, A. Krjukov
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2003
Private mobile radio (PMR) differs from the more familiar mobile phone system in the sense that access is restricted to those with licences. It is usually used for communication of a mobile station with its base, although in many instances two mobile stations can communicate.
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Private mobile radio (PMR) differs from the more familiar mobile phone system in the sense that access is restricted to those with licences. It is usually used for communication of a mobile station with its base, although in many instances two mobile stations can communicate.
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Integrated circuits for mobile radio
27th IEEE Vehicular Technology Conference, 1977Traditionally the integrated circuits used in radio transmitters and receivers have not been developed for radio communication applications but have been adapted to them from other uses such as television or broadcast receivers. Such integrated circuits do not meet the demanding specifications of today's mobile radio designs, and this paper considers ...
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Digital mobile radio communication
23rd IEEE Vehicular Technology Conference, 1972This thesis is aimed at the problem of quickly and accurately communicating digital data between fixed and mobile (either vehicle-mounted or hand-held) radio stations. Digital error is of prime concern and the effects which multipath propagation, Gaussian noise, and implusive noise have on digital errors are analyzed.
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The Perfect Technology: Radio and Mobility
Journal of Radio & Audio Media, 2015Radio is at a critical juncture in terms of its listeners and future as a viable medium. As the Baby Boomer generation fades away and is replaced by the Millennial Generation and soon, Generation Z, the broadcast radio industry must rethink its place in the market and make a concentrated effort to remain competitive.
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Data transmission for mobile radio
IEEE Transactions on Vehicular Technology, 1978During the last few years data communication has become important in the mobile radio services. This tutorial paper introduces the reader to the basic concepts of data transmission. Typical transmission channel configurations, various modulation methods, signal spectra, and bit error probabilities when transmitting data over a mobile radio channel are ...
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Characterisation of Mobile Radio Channel
2015In densely built-up areas, the transmitted signal from the base station mostly arrives at the mobile station as a multitude of partial waves from different directions. This is known as multipath propagation. This effect gives rise to multipath fading. Due to this, received signal strength decreases and sometimes unable to recognise. So characterisation
G. Sasibhushana Rao, Lavanya Vadda
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2003
This chapter describes precedence and preemption in Land Mobile Radio (LMR), the primary communications medium used by First Responders worldwide. It differentiates between implicit and explicit means for achieving precedence and preemption, and describes the situational variability in priority — a fundamental characteristic of public safety emergency ...
Ian Brown +3 more
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This chapter describes precedence and preemption in Land Mobile Radio (LMR), the primary communications medium used by First Responders worldwide. It differentiates between implicit and explicit means for achieving precedence and preemption, and describes the situational variability in priority — a fundamental characteristic of public safety emergency ...
Ian Brown +3 more
openaire +2 more sources