Overview of Following Chapters

This chapter has served as a brief introduction to mobile communications
systems. The brief overview that has been given, however, is certainly not a
sufficient background to enable a good understanding of third-generation
technology. Therefore, before tackling the details of third-generation systems,
it is necessary to better describe first- and second-generation systems.
Chapter 2, “First Generation (1G),” addresses first-generation technology
and Chapter 3, “Second Generation (2G),” delves into the second-generation
systems. The remaining chapters focus on third-generation systems and
some of the migration paths to obtainment of the IMT2000 vision.