WO2008126484A1 - Digital broadcasting data distribution system and its method - Google Patents

Digital broadcasting data distribution system and its method Download PDF

Info

Publication number
WO2008126484A1
WO2008126484A1 PCT/JP2008/053247 JP2008053247W WO2008126484A1 WO 2008126484 A1 WO2008126484 A1 WO 2008126484A1 JP 2008053247 W JP2008053247 W JP 2008053247W WO 2008126484 A1 WO2008126484 A1 WO 2008126484A1
Authority
WO
WIPO (PCT)
Prior art keywords
distribution
digital broadcasting
broadcasting data
packet
error detection
Prior art date
Application number
PCT/JP2008/053247
Other languages
French (fr)
Japanese (ja)
Inventor
Seiki Onagawa
Original Assignee
Nec Personal Products, 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 Nec Personal Products, Ltd. filed Critical Nec Personal Products, Ltd.
Publication of WO2008126484A1 publication Critical patent/WO2008126484A1/en

Links

Classifications

    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6306—Error control coding in combination with Automatic Repeat reQuest [ARQ] and diversity transmission, e.g. coding schemes for the multiple transmission of the same information or the transmission of incremental redundancy
    • 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
    • H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
    • H04H60/12—Arrangements for counter-measures when a portion of broadcast information is unavailable wherein another information is substituted for the portion of broadcast 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
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/82—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself the transmission system being the Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1863—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast comprising mechanisms for improved reliability, e.g. status reports
    • H04L12/1868—Measures taken after transmission, e.g. acknowledgments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

A packet loss in IP multicast is covered. In a digital broadcasting data distribution system for distributing digital broadcasting data from a distribution server to a plurality of receivers, the distribution server has an error detection symbol inserting means for inserting an error detection symbol for detecting a transmission error in each distribution packet or discontinuous errors in the distribution packets or both of them into the digital broadcasting data, a multicast means for multicasting the digital broadcasting data into which the error detection symbol is inserted to the receivers, and a unicast means for unicasting a distribution packet whose retransmission is requested by one receiver to the one receiver. Each of the receivers has an error detecting means for detecting the transmission error in each distribution packet or the discontinuous errors in the distribution packets, or both of them by using the error detection symbol and a retransmission request means for requesting the retransmission of the distribution packet in which any of the errors has been detected to the distribution server.
PCT/JP2008/053247 2007-03-30 2008-02-26 Digital broadcasting data distribution system and its method WO2008126484A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-092466 2007-03-30
JP2007092466A JP5030641B2 (en) 2007-03-30 2007-03-30 Digital broadcast data distribution system and method

Publications (1)

Publication Number Publication Date
WO2008126484A1 true WO2008126484A1 (en) 2008-10-23

Family

ID=39863640

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053247 WO2008126484A1 (en) 2007-03-30 2008-02-26 Digital broadcasting data distribution system and its method

Country Status (2)

Country Link
JP (1) JP5030641B2 (en)
WO (1) WO2008126484A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101690118B (en) * 2007-06-20 2013-08-28 艾利森电话股份有限公司 Method and arrangement for improved media session management
JP5295025B2 (en) * 2009-07-23 2013-09-18 三菱電機株式会社 Broadcast program reservation system
JP5370184B2 (en) * 2010-01-29 2013-12-18 日本電気株式会社 Data distribution method
EP2375614B1 (en) * 2010-04-09 2014-05-07 Alcatel Lucent Method for broadcasting multimedia content
US10412553B2 (en) 2014-06-30 2019-09-10 Sony Corporation Wireless communication apparatus, wireless communication method, and program for using a threshold to control multicast retransmission

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002218427A (en) * 2001-01-18 2002-08-02 Mitsubishi Electric Corp Storage type digital broadcasting transmitter and storage type digital broadcasting receiver
JP2006303965A (en) * 2005-04-21 2006-11-02 Kddi Corp Content transmitter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002218427A (en) * 2001-01-18 2002-08-02 Mitsubishi Electric Corp Storage type digital broadcasting transmitter and storage type digital broadcasting receiver
JP2006303965A (en) * 2005-04-21 2006-11-02 Kddi Corp Content transmitter

Also Published As

Publication number Publication date
JP5030641B2 (en) 2012-09-19
JP2008252626A (en) 2008-10-16

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