EP1878159A4 - Zugangsberechtigungssystem in einem digital-multimedia-ausstrahlungssystem und verfahren dafür - Google Patents

Zugangsberechtigungssystem in einem digital-multimedia-ausstrahlungssystem und verfahren dafür

Info

Publication number
EP1878159A4
EP1878159A4 EP05820579A EP05820579A EP1878159A4 EP 1878159 A4 EP1878159 A4 EP 1878159A4 EP 05820579 A EP05820579 A EP 05820579A EP 05820579 A EP05820579 A EP 05820579A EP 1878159 A4 EP1878159 A4 EP 1878159A4
Authority
EP
European Patent Office
Prior art keywords
conditional access
digital multimedia
multimedia broadcasting
access system
broadcasting system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP05820579A
Other languages
English (en)
French (fr)
Other versions
EP1878159A1 (de
Inventor
Chung-Pyo Hong
Tae-June Chae
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KTFreetel Co Ltd
Original Assignee
KTFreetel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KTFreetel Co Ltd filed Critical KTFreetel Co Ltd
Publication of EP1878159A1 publication Critical patent/EP1878159A1/de
Publication of EP1878159A4 publication Critical patent/EP1878159A4/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/02—Arrangements for relaying broadcast information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/15—Arrangements for conditional access to broadcast information or to broadcast-related services on receiving information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
EP05820579A 2005-04-21 2005-11-04 Zugangsberechtigungssystem in einem digital-multimedia-ausstrahlungssystem und verfahren dafür Ceased EP1878159A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20050033294 2005-04-21
KR1020050095052A KR100732036B1 (ko) 2005-04-21 2005-10-10 디지털 멀티미디어 방송 신호 송출 시스템 및 그 방법
PCT/KR2005/003721 WO2006112581A1 (en) 2005-04-21 2005-11-04 A conditional access system in digital multimedia broadcasting system and method thereof

Publications (2)

Publication Number Publication Date
EP1878159A1 EP1878159A1 (de) 2008-01-16
EP1878159A4 true EP1878159A4 (de) 2010-11-10

Family

ID=37115271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05820579A Ceased EP1878159A4 (de) 2005-04-21 2005-11-04 Zugangsberechtigungssystem in einem digital-multimedia-ausstrahlungssystem und verfahren dafür

Country Status (4)

Country Link
EP (1) EP1878159A4 (de)
KR (2) KR100732036B1 (de)
CN (1) CN101167303B (de)
WO (1) WO2006112581A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100777447B1 (ko) * 2006-02-06 2007-11-21 삼성전자주식회사 디지털 방송 송신 및 수신 장치 그리고 그에 적용되는로버스트 스트림 코딩 및 디코딩 방법
KR20110071226A (ko) * 2009-12-21 2011-06-29 한국전자통신연구원 자기 식별정보 추가 장치 및 방법
EP2355502A1 (de) * 2010-02-03 2011-08-10 Irdeto B.V. Vermeidung der Verwendung von modifizierter Empfänger-Firmware in Empfängern eines bedingten Zugriffssystems
KR101710864B1 (ko) * 2010-12-20 2017-02-28 한국전자통신연구원 단일 송신 방송 서비스를 위한 장치
CN104363481A (zh) * 2014-10-30 2015-02-18 成都康特电子高新科技有限责任公司 基于广电网关系统的多重加密条件接收系统
CN107040803B (zh) * 2017-03-31 2020-04-14 青岛海信电器股份有限公司 数字电视系统及同时支持多路不同频点节目的解扰方法
CN112492586B (zh) * 2020-11-23 2023-05-23 中国联合网络通信集团有限公司 加密传输方案优化方法及装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1271951A1 (de) * 2001-06-22 2003-01-02 Octalis S.A. System mit bedingtem Zugriff auf digitale Daten durch Schlüssel Dekodierung und Wiederkodierung
US20040093614A1 (en) * 2002-10-29 2004-05-13 Atsunori Sakurai Conditional access system and receiver
US20040120529A1 (en) * 2002-09-23 2004-06-24 International Business Machines Corporation Key distribution in a conditional access system
WO2005011189A1 (en) * 2003-07-29 2005-02-03 Samsung Electronics Co., Ltd. Apparatus and method for identifying a gap filler in a satellite broadcasting system
KR20050016722A (ko) * 2005-01-06 2005-02-21 삼성전자주식회사 디지털 멀티미디어 방송 제한 수신 시스템 및 그 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560340B1 (en) * 1995-04-03 2003-05-06 Scientific-Atlanta, Inc. Method and apparatus for geographically limiting service in a conditional access system
US6252964B1 (en) * 1995-04-03 2001-06-26 Scientific-Atlanta, Inc. Authorization of services in a conditional access system
JP3561154B2 (ja) * 1997-12-26 2004-09-02 株式会社東芝 放送受信装置および契約管理装置
KR20040013665A (ko) * 2002-08-08 2004-02-14 에스케이 텔레콤주식회사 무선 방송용 중계기의 식별 방법
KR100641218B1 (ko) * 2004-11-19 2006-11-02 엘지전자 주식회사 지상파 디지털 멀티미디어 방송을 위한 수신제한 방송시스템 및 방법
KR100690797B1 (ko) * 2005-01-27 2007-03-09 엘지전자 주식회사 수신제한 방송 시스템 및 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1271951A1 (de) * 2001-06-22 2003-01-02 Octalis S.A. System mit bedingtem Zugriff auf digitale Daten durch Schlüssel Dekodierung und Wiederkodierung
US20040120529A1 (en) * 2002-09-23 2004-06-24 International Business Machines Corporation Key distribution in a conditional access system
US20040093614A1 (en) * 2002-10-29 2004-05-13 Atsunori Sakurai Conditional access system and receiver
WO2005011189A1 (en) * 2003-07-29 2005-02-03 Samsung Electronics Co., Ltd. Apparatus and method for identifying a gap filler in a satellite broadcasting system
KR20050016722A (ko) * 2005-01-06 2005-02-21 삼성전자주식회사 디지털 멀티미디어 방송 제한 수신 시스템 및 그 방법
EP1686711A2 (de) * 2005-01-06 2006-08-02 Samsung Electronics Co.,Ltd. Verfahren und System für einen bedingten Zugang im digitalen Multimedia-Rundfunk

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006112581A1 *

Also Published As

Publication number Publication date
WO2006112581A1 (en) 2006-10-26
KR100732036B1 (ko) 2007-06-25
EP1878159A1 (de) 2008-01-16
CN101167303A (zh) 2008-04-23
KR100739487B1 (ko) 2007-07-13
KR20060111247A (ko) 2006-10-26
CN101167303B (zh) 2013-03-27
KR20060111250A (ko) 2006-10-26

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