Ntt Docomo, Inc.

Syed Husain

Takashi Koshimizu

Irfan Ali

Malla Reddy Sama

An MScontrols a mobility level (IMM) of user device in an idle mode depending on a movement; state of the user device. The MEincludes a movement state acquisition sectionthat acquires the movement state of the user device, a mobility level selectorchat selects a mobility level out of the multiple mobility levels based on the movement state of the user device acquired by the movement state acquisition section, and a mobility level notification sectionthat notifies the user device of the mobility level selected by the mobility level selector

Mobility level control device and mobility level control method

Provided are an anchor point control device and an anchor point control method that make it possible to select a more suitable anchor point when dynamically changing an anchor point (route switching point). An ME () acquires user information indicating at least either an attribute or a state of UE (), and selects an anchor point out of an anchor point AL and an anchor point AC based on the acquired user information. In addition, the ME () notifies the UEof the selected anchor point.

Anchor point control device and anchor point control method

A radio communication system includes user equipment; a call control device; a subscriber management device; and a connection device that connects an application server, wherein the subscriber management device includes a subscriber information storage unit that stores subscriber information that associates a first identifier for identifying the user equipment in the radio communication system with a second identifier for identifying the user equipment in the application server, wherein the call control device includes a first context storage unit and a first communication processing unit that transmits the first identifier, the second identifier, and a call control device identifier to the connection device, and wherein the connection device includes a second context storage unit and a second communication processing unit that reports, to the application server, that the second identifier is activated.

Growing community of inventors

Chicago, IL, United States of America

Syed Husain