in this paper the reflection coefficient of electromagnetic wave incidence on the walls of the buildings and obstacles that occurs in mobile communication path was modified by solving the riccati nonlinear equations. for this purpose, the building walls are assumed inhomogeneous layers where their permittivity changes as function of the wall thickness. using this reflection coefficient, a new p...

change the interests of young people toward communicating in cyberspace, using mobile phone and sms communications is a threat in the some critics’ point of view, which can be an opportunity to learn anytime, anywhere. mobile learning is an approach to targeted nourishing of curious minds of technology generation in the wireless communication world. thus, this study toward establishing the grou...

the increasing penetration rate of mobile phone, with specific characteristics of this medium, such as almost everywhere with the audience, has attracted companies' attention to it as an advertising channel. mobile devices facilitate highly customized marketing communication in terms of person, time location and context so numbers of companies that use this medium for communicating with th...

in recent years, the advancement of information and communication technologies and particularly rapid changes of mobile technologies lead to new applications and services. furthermore, the possibility of mobile service delivery will change its current applications. therefore, it is important to identify the user’s acceptance of mobile services; thus, it is necessary to determine the effective a...

this research has been designed in order to provide an appropriate methodology for business model change and update based on applying new information and communication technologies such as mobile technology in an organization. in this way, after investigation of all related references in the field of business model, ict change, business model change and applying mobile technology in organizatio...

introduction: the mobile phone is viewed as an important communication tool and has become an integral part of the iranian society and they are increasingly using the mobile phone rather than the fixed line telephone as a way to keep in touch with their family, friends, colleagues and business associates. today, mobile phones are equipped with other features that allow further communication and...

in recent decades, since increasing the competition betweenorganizations for developing products and services, creating anddeveloping modern technologies has been strongly growing. in suchcircumstances, the main challenge of organizations is development oracquisition of the right technology in respect of the organizational goals.thus, this study intends to present a scale for evaluating communi...