Results 1 to 10 of about 1,483,043 (251)

First dual-frame telephone survey for non-communicable disease risk and protective factors: Methods and main findings from a central Brazilian state, 2022 [PDF]

open access: yesPublic Health in Practice
Objectives: To Describe the methodology used in the first risk factor survey for non-communicable diseases in Goiás, a central state of Brazil and identify differences in prevalence of risk and protective factors for chronic disease between landline and ...
Magna Maria de Carvalho   +6 more
doaj   +2 more sources

Research on Mobile Network Parameters Using Unmanned Aerial Vehicles [PDF]

open access: yesSensors
The study of phenomena related to the propagation of electromagnetic waves is a necessity with the development of mobile telephony networks. This paper deals with the problem of the quality of mobile telephony signals.
Jan Warczek   +4 more
doaj   +2 more sources

Analysis of Mobile Telephony Development in Croatia

open access: yesPromet (Zagreb), 2012
Mobile telephony appeared in 1955 and its development inthe world and in Croatia can be divided into two generations:analogue mobile system and digital mobile systems.
Slavko Šarić   +2 more
doaj   +2 more sources

A Technical Approach to the Evaluation of Radiofrequency Radiation Emissions From Mobile Telephony Base Stations [PDF]

open access: yesInternational Journal of Environmental Research and Public Health, 2017
Igor Cretescu   +2 more
exaly   +2 more sources

A role of Excel program in telecommunication processes simulation [PDF]

open access: yesScientific Technical Review, 2023
This paper presents the simulation of mobile telephony systems realized in Excel program. Although primarily intended for other applications, Excel has several advantages over other specialized programs for simulation purposes.
Lebl Aleksandar   +2 more
doaj   +1 more source

The development of telephony in the last fifty years: From the two-party lines to the video-phone connections [PDF]

open access: yesTehnika, 2020
This short paper reviews the changes in telephone technology that have taken place over the last 50 years. Electromechanical technique, semi-electronic, electronic, digital and packet is mentioned.
Markov Žarko M.
doaj  

Mobile Phone Use by Zimbabwean Smallholder Farmers: A Baseline Study

open access: yesThe African Journal of Information and Communication, 2018
This article provides findings from a baseline study on mobile phone use by smallholder farmers in Zimbabwe. The study investigated use of mobile phones by 58 farming households in a village in Zimbabwe's Midlands Province.
Samuel Musungwini
doaj   +3 more sources

MARKET STRUCTURE IMPACT ON INDUSTRY PERFORMANCE OF THE MOBILE TELEPHONY IN MAGHREB

open access: yesRevue Economie, Gestion et Société, 2016
This paper deals, in the light of the SCP paradigm, with the relationship between the structure of the Mobile Telephony Industry (ITM) and the performance of its operators.
Ahmed AIT BARI, Lahoucine ASLLAM
doaj   +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

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  

Home - About - Disclaimer - Privacy