Results 21 to 30 of about 1,521,290 (297)

Identification of a quantitative method for the evaluation of the environmental quality of educational centers near to antennas of base stations of mobile telephony

open access: yesTecnura, 2017
Context: The objective of this research is to define an appropriate quantitative method to evaluate the environmental quality affected by the location of antennas of base stations of mobile telephony near educative centers.
Alexander Armesto Arenas   +1 more
doaj   +1 more source

Chromosome damage in human cells induced by UMTS mobile telephony radiation.

open access: yesGeneral Physiology and Biophysics, 2019
Environmental exposure to modern microwave telecommunication electromagnetic fields (EMFs) has increased to unprecedented levels with consequent health complaints and concerns.
Dimitris J. Panagopoulos
semanticscholar   +1 more source

PARTICULARTS REGARDING THE ACCOUNTING RECOGNITION OF REVENUE – THE CASE OF MOBILE OPERATORS [PDF]

open access: yesRisk in Contemporary Economy, 2015
For the current economy, the sector of telecommunications which includes mobile telephony is one of the most important worldwide. World leaders of this sector are among the companies present in Romania, in terms of income and as financial performance ...
Iuliana Oana Mihai, Riana Iren Radu
doaj  

Bricolage and informal businesses: Young entrepreneurs in the mobile telephony sector in Accra, Ghana

open access: yesFutures, 2019
The concept of bricolage has primarily been used in exploring how entrepreneurs in the formal sector, in addition to social entrepreneurs, mobilise resources in developing their businesses.
R. Afutu‐Kotey, K. Gough
semanticscholar   +1 more source

Osnovne karakteristike mobilnih sistema treće generacije i trendovi daljeg razvoja / Basic characteristics of the third generation mobile communication systems and development trends

open access: yesVojnotehnički Glasnik, 2008
U radu su prikazane osnovne karakteristike treće generacije mobilne telefonije, kao i pregled servisa koji su dostupni u tele komunikacionoj mreži ove generacije.
Radiša Stefanović
doaj   +1 more source

The Development of Mobile Telephony in the World and in Croatia

open access: yesPromet (Zagreb), 2012
The paper first describes the invention and introduction ofmobile telephony in the world and in Croatia. Then the basiccharacteristics are compared as well as the possibilities of certaingenerations of the mobile radio telephone systems with emphasison ...
Miroslav Mikula   +2 more
doaj   +1 more source

Radiofrequency electromagnetic radiation from Wi-fi and its effects on human health, in particular children and adolescents. Review

open access: yesRoczniki Panstwowego Zakladu Higieny, 2020
Radiofrequency electromagnetic radiation emitted from Wi-Fi devices is nonionizing radiation. The frequencies used in wireless technology are similar to those applied in mobile telephony. Due to the much lower output power of devices using Wi-Fi compared
Andrzej Magiera, Jolanta Solecka
doaj   +1 more source

10.5937/tehnika1703383L= Development of methods for traffic simulation of telecommunication processes in IRITEL over 45 years [PDF]

open access: yesTehnika, 2017
This paper summarizes the programs intended for simulation of traffic processes in different telecommunications systems. These programs are developed, implemented and verified by the members of the Institute IRITEL through numerous scientific papers and ...
Lebl Aleksandar V.   +12 more
doaj   +1 more source

Des opérateurs de téléphonie mobile aux opérateurs financiers : usage du mobile money au Congo-Brazzaville

open access: yesRevue Française des Sciences de l’Information et de la Communication, 2020
Mobile money, an electronic wallet via the mobile phone in Africa and Congo has enabled financial exchanges between the rural population and the townspeople. Flexibility and ease of access have favored its integration into all social strata. This service
Privat Tiburce Massanga, Theodora Miere
doaj   +1 more source

La communication d’un opérateur téléphonique au Congo : providentielle, relationnelle ou compassionnelle ?

open access: yesRevue Française des Sciences de l’Information et de la Communication, 2022
In Congo-Brazzaville, the telecommunications operator MTN organizes its communication around the dissemination of mostly symbolic elements to increase its notoriety and build a relationship of proximity and trust with its customers and social actors in ...
Jacques Ibanez-Bueno, Theodora Miere
doaj   +1 more source

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