The diffusion process of information and communication technology for mobile telephones, personal computers and internet users seems to follow the Bass’ diffusion model in most nations, but some of the factors affecting diffusion speeds are still unidentified. We focused on three geographical regions, of mostly developing nations namely: Eastern Europe, Southeast Asia, and Central America/Carib...

During last decades, the Internet teleobotics has been growing at an enormous rate due to the rapid improvement of Internet technology. This paper presents the internet-based remote control of mobile robot. To face unpredictable Internet delays and possible connection rupture, a direct continuous control based teleoperation architecture with “Speed Limit Module” (SLM) and “Delay Approximator” (...

Technological advances in semiconductor products have essentially been the primary driver for the growth of networking that led to improvements and simplification in the long-distance communication infrastructure in the twentieth century. Two major networks of networks, the public switched telephone network (PSTN) and the Internet and Internet II, exist today. The PSTN, a low-delay, fixed-bandw...

he public's desire for mobile communications and computing, as evidenced by the popularity of cellular phones, pagers, and laptop computers, combined with the rapid growth in demand for Internet access, suggest a very promising future for wireless data services. The key to realizing this potential is the development and deployment of high-performance radio systems. While many proposals for thir...

The issue of firm growth has long been regarded as an essential concern in the economics and management field. In recent years, the information and Internet technology has been improving in an increasing speed. Internet firms have occupied a vigorous position in the economy. How Internet firms keep develop in the fierce competition and what the key factors are in the growth of Internet firms ar...

introduction: in the current world of business, benefiting from information technology is considered as one of the main factors to develop and improve the performance of organizations. this study was performed to identify access to infrastructures of information technology among the managers and executive experts of health departments in iranian universities of medical sciences. it also tried t...

development of commodity based palmtop devices with built-in high-speed packet radio access to the Internet will have a major impact on the way we communicate. Large numbers of mobile users equipped with wireless IP-enabled communicators will have access to a wide array of Web-based mobile multimedia services. Future wireless network infrastructure will have to support a wide variety of users, ...