The term 4G is used broadly to include several types of broadband wireless
access communication systems, not only cellular telephone systems. One of the terms
used to describe 4G is MAGIC—Mobile multimedia, anytime anywhere, Global mobility
support, integrated wireless solution, and customized personal service. As a promise for
the future, 4G systems, that is, cellular broadband wireless access systems have been
attracting much interest in the mobile communication arena. The 4G systems not only will
support the next generation of mobile service, but also will support the fixed wireless
networks. This article presents an overall vision of the 4G features, framework, and
integration of mobile communication.