Special Article on IMT-2000 Services (2) -Launch of FOMA ... · duce packet-switched services in an...
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NTT DoCoMo Technical Journal Vol. 3 No.3 49
Special Article on IMT-2000 Services (2) -Launch of FOMA ... · duce packet-switched services in an efficient, flexi- ble and prompt manner, and the role and characteristics of
This article reviews the development concepts of the gateway systems developed by NTT DoCoMo with the aim to introduce IMT-2000 packet-switched services in an efficient, flexible and prompt manner, and the role and characteristics of the three gateway systems developed based on these concepts.