Naoto Itaba

Radio access network apparatus and mobile communication system using the same

Mobile communication system, server, portable terminal and data transfer method used for it

Mobile software distribution system, server, terminal and method

Mobile communication system and control method thereof and radio network controller and base station used for the same

MOBILE COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND MOBILE STATION, RADIO BASE STATION, AND HIGHER-ORDER APPARATUS FOR RADIO BASE STATION USED FOR MOBILE COMMUNICATION SYSTEM AND COMMUNICATION METHOD

BASE STATION, MOBILE COMMUNICATION SYSTEM USING THE BASE STATION, AND DATA TRANSFER METHOD

Mobile communication system, communication method, and mobile station, radio base station, and its upper node device used for the system

Transport bearer setting control system and method in a mobile communication system, and radio access network for this system

User plane and control plane split in radio access network

Vorrichtung für den Funknetzzugang und Mobilfunksystem, welches dieselbe benutzt