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    • 12. 发明申请
    • MOBILE MULTICAST SYSTEM FOR SUPPORTING NETWORK-BASED MOBILITY AND METHOD THEREOF
    • 用于支持基于网络的移动性的移动多播系统及其方法
    • WO2011078474A3
    • 2011-09-09
    • PCT/KR2010007277
    • 2010-10-22
    • KOREA ELECTRONICS TELECOMMUM TAE-WONNAM JONG-WOOKCHO KYEONGSEOBLEE KYOUNGHEELEE HYUN-WOORYU WON
    • UM TAE-WONNAM JONG-WOOKCHO KYEONGSEOBLEE KYOUNGHEELEE HYUN-WOORYU WON
    • H04L12/28H04W4/08
    • H04L12/189H04L45/16H04W8/082H04W8/186H04W76/002
    • The present invention relates to a mobile multicast system and a method thereof, and more particularly to a network-based mobility multicast system and a method thereof. The system according to one embodiment of the present invention is the mobile multicast system for supporting the network-based mobility comprising: access points which communicate with mobile terminals within an access network through a wireless channel, obtains layer 2 addresses of the terminals, and provides the obtained layer 2 addresses of the terminals; management parts which control a handover of each terminal included in the access points, transmit multicast packets to be provided to the terminals, and are provided according to the access points; a router which receives the multicast data through the network, and transmits the multicast packets to the terminals for receiving the multicast data; and a mobile control server which obtains position information of the terminals from the management parts, transmits a query message for determining the reception of the multicast data to each of the management parts so as to confirm whether the terminals join the multicast when receiving the query message from the router, and controls setting of a tunnel between the router and the management part for transmitting a membership report message when receiving the membership report message for joining the multicast.
    • 基于网络的移动多播系统及其方法技术领域本发明涉及一种移动多播系统及其方法,并且更具体地涉及基于网络的移动多播系统及其方法。 根据本发明的一个实施例的系统是用于支持基于网络的移动性的移动多播系统,包括:接入点,其通过无线信道与接入网络内的移动终端进行通信,获得终端的第2层地址,并且提供 获得的终端的第2层地址; 管理部分,用于控制接入点中包括的每个终端的切换,发送要提供给终端的组播分组,并根据接入点提供; 路由器,通过网络接收组播数据,并将组播数据包发送到终端以接收组播数据; 以及移动控制服务器,其从管理部件获得终端的位置信息,向每个管理部件发送用于确定组播数据的接收的查询消息,以便在接收到查询消息时确认终端是否加入组播 并且当接收到用于加入组播的成员报告消息时,控制路由器和管理部件之间的隧道的设置,用于发送成员资格报告消息。
    • 14. 发明申请
    • SYSTEM AND METHOD OF CONTROLLING TRANSMISSION OF ADAPTIVE MEDIA IN PERFORMING HANDOVER BETWEEN HETEROGENEOUS ACCESS NETWORKS
    • 控制自适应介质传输异构访问网络之间切换的系统及方法
    • WO2010074419A2
    • 2010-07-01
    • PCT/KR2009007185
    • 2009-12-03
    • KOREA ELECTRONICS TELECOMMLEE KYOUNG-HEERYU WONKIM BONG-TAE
    • LEE KYOUNG-HEERYU WONKIM BONG-TAE
    • H04W36/14
    • H04W36/005H04W36/0044
    • A system and method of controlling transmission of adaptive media over handover performed between heterogeneous networks are disclosed. When a mobile terminal moves, it detects the necessity of handover between the heterogeneous networks, determines a target network to which it may perform handover, and transmits handover information to an adaptive media server that controls a transmission rate of adaptive media to previously inform about the handover. Then, the adaptive media adjusts a transmission rate of the adaptive media by using the received handover information, and when the mobile terminal performs handover to the target network, it can receive the adaptive media from the adaptive media server. Accordingly, when the mobile terminal using a real time multimedia service in a wireline/wireless environment in which various accessing techniques are integrated performs handover between heterogeneous networks, a change in quality of experience (QoE) sensed by subscribers due to the handover can be reduced.
    • 公开了一种在异构网络之间执行的跨越切换的自适应媒体的传输控制系统和方法。 当移动终端移动时,它检测异构网络之间切换的必要性,确定其可以执行切换的目标网络,并将切换信息发送到控制自适应媒体的传输速率的自适应媒体服务器,以便先前通知 交出。 然后,自适应媒体通过使用接收到的切换信息来调整自适应媒体的传输速率,并且当移动终端执行到目标网络的切换时,它可以从自适应媒体服务器接收自适应媒体。 因此,当在各种接入技术集成的有线/无线环境中使用实时多媒体业务的移动终端执行异构网络之间的切换时,可以减少由于切换而由用户感知的体验质量(QoE)的变化 。