AT&T Wireless is the first carrier in North America to deploy Universal
Mobile Telecommunications System (UMTS), a pioneering wireless technology that
is being adopted by operators globally. This technology promises to be the
dominant cellular technology by the end of the decade. This PDF covers the
following topics related to UMTS : Introduction, UMTS Capabilities, How the AT&T
Wireless UMTS Network Operates, Application Development and Deployment.
This PDF covers the following
topics related to UMTS : Introduction, Requirements for UMTS Long Term
Evolution, LTE Downlink Transmission Scheme, LTE Uplink Transmission Scheme, LTE
MIMO Concept, LTE Protocol Architecture, UE capabilities, Voice and SMS in LTE,
LTE Testing.