发明名称 |
Ethernet passive optical network accommodating real-time broadcast/image signals and being capable of providing security for broadcast/image signals |
摘要 |
An Ethernet-PON that accommodates real-time broadcast/image signals and provides security for broadcast/image signals, allows user authentication without a CAS. An OLT in the Ethernet-PON switches digital broadcast/image data signals from a broadcaster according to respective broadcast/image selection information of users, and scrambles the switched broadcast/image data on a user-by-user basis. The scrambled data is multiplexed and converted to a broadcast/image optical signal, which is transmitted, combined with a communication signal from an IP network, to ONTs through an optical splitter. The ONTs select broadcast/image data from the broadcast/image signals according to the respective broadcast/image selection information.
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申请公布号 |
US2005069317(A1) |
申请公布日期 |
2005.03.31 |
申请号 |
US20040810249 |
申请日期 |
2004.03.26 |
申请人 |
LEE KI-CHEOL;NAM KEE-SUNG;OH YUN-JE;PARK TAE-SUNG |
发明人 |
LEE KI-CHEOL;NAM KEE-SUNG;OH YUN-JE;PARK TAE-SUNG |
分类号 |
H04L12/44;H04J14/00;H04J14/02;H04L12/28;(IPC1-7):H04J14/00 |
主分类号 |
H04L12/44 |
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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