FurtherEnhancementsofLTE-LTERelease9--Further分析.PDFVIP

LTE Standardization Radio Access Network Further Enhancements of LTE LTE Release 9 l NTT DOCOMO is currently developing and testing a sys- Radio Access Network Development Department Mikio Iwamura a tem conforming to the LTE Release 8 specification in an Anil Umesh n effort to commercialize the standard for next generation Wuri A. Hapsari r u mobile communications systems created by 3GPP: LTE. o Meanwhile, the 3GPP has been working on further J enhancements of LTE toward Release 9, planned to be l released in spring of 2010. LTE Release 9 enhances some a of the features introduced in Release 8, including CSG con- c trol and SON functionality, and introduces additional fea- i n tures to support LCS and MBMS. In order to realize sys- h tems that support high data rates and a variety of services c at low cost, NTT DOCOMO has contributed proactively in e clarifying requirements and developing technical stan- T dards, and in participating as rapporteur and editor in cre- O ating specification documents. M ization of LTE, since the basic concept the technical specifications of LTE. 1. Introduction O proposal in 2004, in order to provide LTE Release 8 specifies funda- C As a promising radio access tech- more efficient, more economical, and mental features of LTE, including O nology for next generation mobile more sophisticated radio access net- Orthogonal Frequency Division Multi- D communication systems, LTE is being works to our valued customers. NTT