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KDDI picks LTE for 3.9G mobile comms

Posted: 24 Dec 2008 ?? ?Print Version ?Bookmark and Share

Keywords:LTE? broadband network? 3.9G mobile?

KDDI Corp. has chosen LTE for 3.9-generation (3.9G) mobile communication systems for deployment of its next high-speed broadband mobile communication network. As the core network equipment vendor, KDDI selected Hitachi. In this role, Hitachi will work with Nortel Networks as its partner in LTE development.

LTE standard includes peak data rate of more than 100Mbit/s, and its standardization has moved forward under the 3G Partnership Project (3GPP). KDDI participated in the 3GPP in November 2005, and has since been active in designing and proposing technologies.

LTE's advantages
Next-generation high-speed wireless communication, known as 3.9G, enables instantaneous transmission of rich multimedia content such as music and video. It also enables the provision of video streaming applications, real-time mobile games and online services, which demand high bandwidth and low latency. KDDI has decided to base its 3.9G network on LTE due to LTE's advantages in terms of cost, versatility, global trend and future potential.

KDDI selected Hitachi to be a joint development vendor of core network nodes (MME, S-GW, P-GW and PCRF) defined as SAE by the 3GPP, network equipment and O&M equipment for monitoring and control. In developing the equipment, Hitachi will collaborate with Nortel Networks to develop a Mobility Management Entity (MME) to ensure seamless handover between base stations. In addition, Hitachi will be responsible for the overall integration of the system.

Compared with existing systems, the KDDI system promises greater effectiveness from a smaller installation space. Product development at Hitachi will be carried out by Hitachi Communication Technologies Ltd, a wholly owned subsidiary that develops and manufactures communication network equipment.

KDDI plans to place the order for the commercial core network by the end of fiscal 2008. KDDI also plans to select the development vendors for base stations in 2009, and complete the development of both core network and base stations for LTE by 2010.





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