We live in an interconnected word, a world where people cannot afford living isolated anymore. In a few years wireless Internet access evolved form a matter of convenience to a real need for some people. The number and variety of available applications for this environment is overwhelming and the number of applications grows in a daily bases. These systems must be validated before being available to the users. However, in the development of applications for wireless medium designers normally just ignore the medium as a relevant factor to be considered. Not because it does not affect their...