
142 ◾ Mobile Enterprise Transition and Management
further away. Next Generation Network (NGN) is a sophisticated 3G network
evolving from the convergence of the feature-rich Internet and the ubiquitous tele-
phony networks.
Beyond 4G
Advances beyond 4G are too early to contemplate, but transitioning businesses
need to keep them in mind from a futuristic viewpoint. Researchers expect fifth
generation (5G) wireless systems that converge using a much higher bandwidth,
provide global mobility, and incorporate tight security and realize a seamless wire-
less Internet for commercial use. is generation of mobile communications will
deal with issues