Future 4G front-ends enabling smooth vertical handovers

This article presents an overview of the most important effects that handover considerations have on the design of multi-standard mobile radio transceivers. It specifically points out the multitude of design issues and challenges that should be taken into account in the RF/analog front-end part. Many of these issues have not been widely considered yet by the relevant communities though they are instrumental in achieving an always-best-connected mobile terminal.