09年发布，v9.0.0已出，但3gpp网页出现错误，无法下载-Digital cellular telecommunications system (Phase 2+) Universal Mobile Telecommunications System (UMTS) LTE Global text telephony (GTT) Stage 1: Service descr iption (3GPP TS 22.226 version 8.0.0 Release

09年发布，包括UMTS协议，IMS的stage2-Digital cellular telecommunications system (Phase 2+) Universal Mobile Telecommunications System (UMTS) LTE IP Multimedia Subsystem (IMS) Stage 2 (3GPP TS 23.228 version 8.10.0 Release 8)

lte evolution implementation in matlab mimo system try its an open source model

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3G-The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and m