发明名称 |
Ciphering method in a mobile communication system supporting a multimedia broadcast/multicast service |
摘要 |
A method for ciphering MBMS (Multimedia Broadcast/Multicast Service) data in a wired/wireless communication system is provided. The MBMS service enables the same service or desired services to be provided to a number of users. In the ciphering method, a ciphering key for encoding MBMS data is previously provided to an authorized UE, and the authorized UE is informed of when MBMS data encoded using the ciphering key is to be transmitted, thereby preventing unauthorized UEs from illegally receiving the MBMS service.
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申请公布号 |
US7526287(B2) |
申请公布日期 |
2009.04.28 |
申请号 |
US20040909890 |
申请日期 |
2004.08.02 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD |
发明人 |
HWANG SUNG-OH;LEE KOOK-HEUI;CHOI SUNG-HO;KIM EUN-JUNG |
分类号 |
H04L9/00;H04L12/18;H04L29/06;H04W4/06;H04W12/02 |
主分类号 |
H04L9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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