Combines in one volume the basics of evolving radio access technologies and their implementation in mobile phones • Reviews the evolution of radio access technologies (RAT) used in mobile phones and then focuses on the technologies needed to implement the LTE (Long term evolution) capability • Coverage includes the architectural aspects of the RF and digital baseband parts before dealing in more detail with some of the hardware implementation • Unique coverage of design parameters and operation details for LTE-A phone transceiver • Discusses design of multi-RAT Mobile with the consideration of cost and form factors • Provides in one book a review of the evolution of radio access technologies and a good overview of LTE and its implementation in a handset • Unveils the concepts and research updates of 5G technologies and the internal hardware and software of a 5G phone.