The LTE technology as specified within 3GPP Release 8 was first commercially deployed by end 2009. Since then the number of operators implementing the technology is strongly increasing around the globe. LTE has become the fastest developing mobile system technology. The same way GSM and WCDMA have been enhanced with additional features over time, LTE is continuously worked on. This white paper describes the initial enhancements that have been included in the 3GPP Release 9.
Rohde&Schwarz, LTE, LTE release 9, 3GPP Release 9