Patent ID: 7257368
Filing Date: 2007-08-14
Classification: H04L,H04W

Abstract:
1. A content distribution system that multicasts the same content from a mobile communication network system to a plurality of mobile communication terminals, said mobile communication network system having a re-distributing means which resends said content to each mobile communication terminal that failed in receiving said multicasted content, each of said plurality of mobile communication terminals has a re-distribution requesting means for requesting said mobile communication network system to resend said content in a case in which a mobile communication terminal fails in receiving said multicasted content, wherein said re-distributing means of said mobile communication network system, in response to a re-distributing request from said re-distribution requesting means, resends said content requested by said mobile communication terminal, wherein said content is multicasted from said mobile communication network system after properness said mobile communication terminals is ascertained, said re-distributing requesting means of said mobile communication terminal, when requesting re-distributing of said content to said mobile communication network system, sends to said mobile communication network system information required to verify said properness of said mobile communication terminal, and said re-distributing means of said network system judges, based on said network system information received from said mobile communication terminal, whether or not to execute re-distribution to said mobile communication terminal.