Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOBILE MULTICAST SYSTEM FOR SUPPORTING NETWORK-BASED MOBILITY AND METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2011/078474
Kind Code:
A2
Abstract:
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.

Inventors:
UM TAE-WON (KR)
NAM JONG-WOOK (KR)
CHO KYEONGSEOB (KR)
LEE KYOUNGHEE (KR)
LEE HYUN-WOO (KR)
RYU WON (KR)
Application Number:
PCT/KR2010/007277
Publication Date:
June 30, 2011
Filing Date:
October 22, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KOREA ELECTRONICS TELECOMM (KR)
UM TAE-WON (KR)
NAM JONG-WOOK (KR)
CHO KYEONGSEOB (KR)
LEE KYOUNGHEE (KR)
LEE HYUN-WOO (KR)
RYU WON (KR)
International Classes:
H04L12/28; H04L45/16; H04W4/08
Domestic Patent References:
WO2003017703A12003-02-27
Foreign References:
EP1959637A12008-08-20
US20090036152A12009-02-05
KR20050075627A2005-07-21
Attorney, Agent or Firm:
SHINSUNG PATENT FIRM (KR)
특허법인 신성 (KR)
Download PDF: