Results 241 to 250 of about 1,001,924 (298)
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1996
The intention of this report is to give a picture of existing digital radio systems as well as of future systems under development. The emphasis is put on systems based on European standards and on research done in Europe. The following systems are introduced: · GSM, a second generation public mobile system offering speech, data and supplementary ...
Immonen, Jukka +3 more
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The intention of this report is to give a picture of existing digital radio systems as well as of future systems under development. The emphasis is put on systems based on European standards and on research done in Europe. The following systems are introduced: · GSM, a second generation public mobile system offering speech, data and supplementary ...
Immonen, Jukka +3 more
openaire +4 more sources
Migrasi Radio Konvensional menjadi Radio Digital
Bandung Conference Series: Communication ManagementAbstract. The digitalization process in the radio broadcasting industry has made radio easy to access and consume by loyal radio listeners. Digital radio is a new trend among broadcasters and even beginners in this field, starting from various social media to applications focused on radio broadcasting have begun to develop features to make it easier ...
null Salman Aditya Rahman Santoso +1 more
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1995
Mobile and portable telephone systems present some unique engineering challenges. One of these is their use of radio wave propagation, with its highly variable path characteristics. Another is the fact that the switching system no longer can count on a given subscriber set simply being at the end of a corresponding wire pair.
Bernhard E. Keiser, Eugene Strange
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Mobile and portable telephone systems present some unique engineering challenges. One of these is their use of radio wave propagation, with its highly variable path characteristics. Another is the fact that the switching system no longer can count on a given subscriber set simply being at the end of a corresponding wire pair.
Bernhard E. Keiser, Eugene Strange
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MILCOM 97 MILCOM 97 Proceedings, 2002
For several years, GEC-Marconi Hazeltine (GMH) and Northrop Grumman Corp. (NGC) have been developing and field demonstrating a common module programmable digital radio (PDR) for army, air force and navy applications. This third generation 1.5 MHz to 2 GHz software radio handles not only the traditional narrow band waveforms (HF, VHF, UHF), but also ...
openaire +1 more source
For several years, GEC-Marconi Hazeltine (GMH) and Northrop Grumman Corp. (NGC) have been developing and field demonstrating a common module programmable digital radio (PDR) for army, air force and navy applications. This third generation 1.5 MHz to 2 GHz software radio handles not only the traditional narrow band waveforms (HF, VHF, UHF), but also ...
openaire +1 more source
New Media & Society, 2000
Digital audio technology, though only a decade old in broadcasting, is being so comprehensively integrated into control rooms and studios that the time for wake-up calls to critics and theorists is past. Based on eight years' observation at BBC Radio and Danmarks Radio studios, this article speculates on how the new technology of radio is shaped by ...
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Digital audio technology, though only a decade old in broadcasting, is being so comprehensively integrated into control rooms and studios that the time for wake-up calls to critics and theorists is past. Based on eight years' observation at BBC Radio and Danmarks Radio studios, this article speculates on how the new technology of radio is shaped by ...
openaire +1 more source
Digital-to-radio converter for software radio
11th IEEE International Symposium on Personal Indoor and Mobile Radio Communications. PIMRC 2000. Proceedings (Cat. No.00TH8525), 2002We have proposed a digital-to-radio (D/R) converter that can directly change a digital signal generated by a logic circuit into a radio signal. This D/R converter enables an RF circuit and an antenna to be composed of one simple device, and the radio can be directly controlled by software; this is the essence of software radio.
T. Kohri, T. Hattori
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Delivering digits to rural radios: making Digital Radio Mondiale work
2nd European Conference on Antennas and Propagation (EuCAP 2007), 2007This paper describes work done at BBC research towards ensuring that Digital Radio Mondiale (DRM) can be received reliably by our listeners. Our work in testing the first generation of consumer receivers is briefly described, followed by a detailed description of methods which next- generation receivers might use to extend reliable reception to a ...
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Digital cellular radio systems
1989In the last chapter, the use of established analogue modulation techniques was described in the context of high-capacity cellular radio telephone applications. Conclusions regarding existing systems operation and future developments may be drawn, and these centre on the issue of capacity.
J. D. Parsons, J. G. Gardiner
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1985
Considers free-space propagation and discusses deviations from it due to effects of terrain, atmosphere, and precipitation Describes multipath fading due to ground reflection or atmospheric refraction and characterizes it with fading parameters and statistical models Describes empirical path loss models Explains digital radio performance
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Considers free-space propagation and discusses deviations from it due to effects of terrain, atmosphere, and precipitation Describes multipath fading due to ground reflection or atmospheric refraction and characterizes it with fading parameters and statistical models Describes empirical path loss models Explains digital radio performance
openaire +1 more source