Temat: GSM communication - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Design and Implementation of an Embedded System for Ambulatory Cardiac Monitoring
Autorzy:: Hassan, E. M. E.
Mohammed, K.
Powiązania:: https://bibliotekanauki.pl/articles/308491.pdf
Data publikacji:: 2012
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: arrhythmia
ECG
embedded system
GSM communication
heart rate
telemedicine
Opis:: Cardiac monitoring in the environment of the subject is one of the major fields of telemedicine. In this paper we present a prototype of embedded system for acquisition, storage, display on LCD or PC and transfer via GSM alarm warning in case of arrhythmias, which allows a great opportunity for rapid intervention of the physician. In terms of hardware, we have designed and implemented our system with a modular approach to facilitate development and debugging. Thus the system comprises three modules: analog module, digital module microcontroller-based for certain pretreatment, and a GSM communication module. Of course, there is appropriate software behind the material described. The system has the following features: low cost, ease to implement and versatility.
Źródło:: Journal of Telecommunications and Information Technology; 2012, 1; 23-32
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Some practical problems of communications reliability inenviromental monitoring systems
Autorzy:: Dziadak, B.
Makowski, L.
Michalski, A.
Powiązania:: https://bibliotekanauki.pl/articles/220493.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: monitoring systems
GSM communication
floating buoy
real-time messaging
Opis:: In this paper, some issues of building a reliable, distributed measurement system for monitoring of water quality in reservoir Lake Dobczyckie are presented. The system is based on a measurement station that has the shape of a floating buoy which is supposed to be at anchor on the reservoir. Wireless data transmission problems that were encountered during the development of the buoy, modeling a radio link, and measurements of actual signal strength on the reservoir are discussed. A mathematical approach to procedures of early situation assessment was conducted, and specialized procedures were designed for measurement stations of the system. It is also discussed how such computations can improve a qualitative assessment of system performance in terms of real-time messaging.
Źródło:: Metrology and Measurement Systems; 2013, 20, 3; 337-350
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Dynamic Key Generation During a Communication Instance Over GSM
Autorzy:: Zalaket, J.
Challita, K.
Powiązania:: https://bibliotekanauki.pl/articles/108666.pdf
Data publikacji:: 2013
Wydawca:: Społeczna Akademia Nauk w Łodzi
Tematy:: mobile communication
encryption
GSM
A5 algorithm
Opis:: Mobile phone may become the protagonist of the new electronic technology. If we compare it with that of other technologies, the infiltration rate of mobile phones in the world is extremely high, both in cities than rural communities of the most of the countries. According to estimates made by the International Telecommunication Union the access to mobile networks is growing much faster than the access to Internet. This emergence has led many companies to allow new activities which were previously running strictly over the Internet to run over the mobile network such as the electronic payment. These circumstances make the security of mobile communication a priority to preserve the authentication, confidentiality and integrity of data sent between subscribers and mobile network. In this paper, we propose a dynamic key generation for the A5 GSM encryption algorithm to enforce the security and protect the transferred data. Our algorithm can be implemented over any GSM generation GSM/3G/4G.
Źródło:: Journal of Applied Computer Science Methods; 2013, 5 No. 1; 47-57
1689-9636
Pojawia się w:: Journal of Applied Computer Science Methods
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Mobile telecommunication systems changed the electronic communications and ICT market
Autorzy:: Zieliński, A.
Zieliński, K.
Powiązania:: https://bibliotekanauki.pl/articles/308308.pdf
Data publikacji:: 2013
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: GSM cellular network
market penetration
market prospects
mobile communication
services
Opis:: The paper covers development and importance of mobile (cellular) telecommunication services, which developed during last about 20 years and are currently the most important and profitable telecommunication sector. The development of mobile telecommunications becomes essential factor of economic growth in many countries, especially in developing countries. Currently due to the scientific and technological progress as well as the implementation a new standard known as LTE system, cellular telecommunication becomes the basic element of the modern broadband telecommunication infrastructure and internet services. Growing importance of the mobile systems is also connected with great popularity of new mobile terminals – smartphones and tablets. These terminals together with the technology known as cloud computing changed also the ICT market. The paper relates to the situation in many countries, but mainly to Poland.
Źródło:: Journal of Telecommunications and Information Technology; 2013, 2; 5-13
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Monitoring and managing systems based on GPS in the land and air communication
Autorzy:: Trómiński, P.
Zadrąg, P.
Powiązania:: https://bibliotekanauki.pl/articles/393607.pdf
Data publikacji:: 2009
Wydawca:: Polskie Stowarzyszenie Telematyki Transportu
Tematy:: nawigacja
GPS
GSM/GPRS
EGNOS
ADS-B
monitoring
komunikacja
system zarządzania
navigation
communication
management system
Opis:: The article presents conception of authors management and monitoring system based on GPS, for application in the transport and land and air communication. This system arises as an answer to demand of local Civil Services, which are member of a crisis management. System purpose is to increase the effectiveness and safeties during salvage actions. In following years the system evolved, allowing its use not only in land conditions but also in the transport and the air lifesaving. Article shows future plans connected with the system development and the extension with ADS-B system (Automatic Dependent Surveillance - Broadcast).
Źródło:: Archives of Transport System Telematics; 2009, 2, 2; 11-15
1899-8208
Pojawia się w:: Archives of Transport System Telematics
Dostawca treści:: Biblioteka Nauki

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