The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2014
Filed:
Aug. 18, 2010
Pyung-koo Park, Daejeon, KR;
Nam Seok Ko, Daejeon, KR;
Jong Dae Park, Daejeon, KR;
Sung Kee Noh, Daejeon, KR;
Soon Seok Lee, Daejeon, KR;
Sung Back Hong, Daejeon, KR;
Pyung-Koo Park, Daejeon, KR;
Nam Seok Ko, Daejeon, KR;
Jong Dae Park, Daejeon, KR;
Sung Kee Noh, Daejeon, KR;
Soon Seok Lee, Daejeon, KR;
Sung Back Hong, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
In a system for providing an IPTV service, if a multicast address of an IPTV channel received from a head-end is a multicast address requested by a mobile node through a tunnel, an end router confirms a care of address (CoA) of the mobile node corresponding to the multicast address of the IPTV channel, sets the multicast address in the first header of broadcasting traffic, sets the CoA of the mobile node in the second header of the broadcasting traffic, and then sends the broadcasting traffic.