The most remarkable trends in communication have been the huge popularity of Internet and the growth of digital cellular telephony usage. There is a strong demand to combine these...
One of the most promising future applications in the domain of mCommerce is the mobile payment. Different approaches come to the market and try to address existing needs, but up t...
In pervasive computing environments, powerful handheld devices with wireless connections create opportunities for many new nomadic applications. We propose a new service discovery...
—Today, international mobile roaming (IMR) is experiencing changes both in terms of technology and business models. Traditionally, voice and SMS have been the only services offer...
The Differentiated Services (DiffServ) approach is intended to provide Quality of Service (QoS) in IP-based networks. This is a very important issue not only in wire-line fixed n...