نتایج جستجو برای: gsm mobile phones

تعداد نتایج: 177530  

2016
Syed Farhan Alam Zaidi Munam Ali Shah Muhammad Kamran Qaisar Javaid Sijing Zhang

The technological advancements in mobile connectivity services such as GPRS, GSM, 3G, 4G, Blue-tooth, WiMAX, and Wi-Fi made mobile phones a necessary component of our daily lives. Also, mobile phones have become smart which let the users perform routine tasks on the go. However, this rapid increase in technology and tremendous usage of the smartphones make them vulnerable to malware and other s...

2012
Hyacinth C. Inyiama Christiana C. Okezie Nkolika O. Nwazor

GSM (Global system for mobile communication) based wireless database access for food and drug administration and control is a system that enables one to send a query to the database using the short messaging system (SMS) for information about a particular food or drug. It works in such a way that a user needs only send an SMS in order to obtain information about a particular drug produced by a ...

2005

Available ubiquitous networks that make use of small mobile devices like PDA and cellular phones, offer varied possibility of use by new generation application softwares. These applications utilize the available networks and devices to help users in their daily activities in different geographical areas. These set of applications constitute location based services and combine Geographic Informa...

2004
M. E. Lutman

GUARD Project: GSM cellular phones and the hearing system: effects of exposure of Sprague-Dawley rats and combined effects of gentamicin and microwaves exposure in Guinea-pigs. Progress report SVM-based criterion for classification and variable selection in AEPs recorded under electromagnetics fields. Effects of the electromagnetic field of mobile telephones on hearing of humans and rats. Study...

2006
Yang Feng

Electronic voting systems have the potential to improve traditional voting procedures by providing added convenience and flexibility to the voter. Numerous electronic voting schemes have been proposed in the past, but most of them have failed to provide voter authentication in an efficient and transparent way. On the other hand, GSM (Global System for Mobile communications) is the most widely u...

2010
Rodney P. O'Connor Steve D. Madison Philippe Leveque H. Llewelyn Roderick Martin D. Bootman

In the course of modern daily life, individuals are exposed to numerous sources of electromagnetic radiation that are not present in the natural environment. The strength of the electromagnetic fields from sources such as hairdryers, computer display units and other electrical devices is modest. However, in many home and office environments, individuals can experience perpetual exposure to an "...

2011
A. A. Ayeni K. T. Braimoh O. B. Ayeni

Concern about human exposure to radiofrequency (RF) is not new. The conveniences and satisfaction derived in the use of GSM mobile phone is being threatened by claims of adverse effects on human health by radiation coming from this device. This radiation belongs to the type called non-ionizing radiation the health hazard of which remains debatable. Research has not been carried out on possible ...

Journal: :Inf. Sec. Techn. Report 2008
Keith Mayes Konstantinos Markantonakis

Cellular communication via a traditional mobile handset is a ubiquitous part of modern life and as device technology and network performance continues to advance, it becomes possible for laptop computers, Personal Digital Assistants (PDAs) and even electrical meters to better exploit mobile networks for wireless communication. As the diverse demands for network access and value added services i...

2009
Maneesh Mailankot Anil P Kunnath H Jayalekshmi Bhargav Koduru Rohith Valsalan

INTRODUCTION Mobile phones have become indispensable in the daily lives of men and women around the globe. As cell phone use has become more widespread, concerns have mounted regarding the potentially harmful effects of RF-EMR from these devices. OBJECTIVE The present study was designed to evaluate the effects of RF-EMR from mobile phones on free radical metabolism and sperm quality. MATERI...

2010
Bjørn Sand Jensen Jan Larsen Kristian Jensen Jakob Eg Larsen Lars Kai Hansen

Prediction and understanding of human behavior is of high importance in many modern applications and research areas ranging from context-aware services, wireless resource allocation to social sciences. In this study we collect a novel dataset using standard mobile phones and analyze how the predictability of mobile sensors, acting as proxies for humans, change with time scale and sensor type su...

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