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Broadcast signal transmission apparatus, broadcast signal receiving apparatus, broadcast signal transmission method, and broadcast signal receiving method

LG ELECTRONICS INC.
2021
Online Patent

Titel:
Broadcast signal transmission apparatus, broadcast signal receiving apparatus, broadcast signal transmission method, and broadcast signal receiving method
Autor/in / Beteiligte Person: LG ELECTRONICS INC.
Link:
Veröffentlichung: 2021
Medientyp: Patent
Sonstiges:
  • Nachgewiesen in: USPTO Patent Grants
  • Sprachen: English
  • Patent Number: 11032,016
  • Publication Date: June 08, 2021
  • Appl. No: 16/736059
  • Application Filed: January 07, 2020
  • Assignees: LG ELECTRONICS INC. (Seoul, KR)
  • Claim: 1. A method for providing a broadcast service based on a broadcast network and a broadband network in a digital transmitter, the method comprising: generating multiple service components of the broadcast service and service layer signaling (SLS) information for the broadcast service; generating a service list table (SLT) for providing bootstrap information that allows a receiver to discover the SLS information for the broadcast service; transmitting a first signal comprising a first service component among the multiple service components, the SLS information and the SLT via the broadcast network, wherein the first service component is carried via a first Layered Coding Transport (LCT) channel included in a Real-time Object delivery over Unidirectional Transport (ROUTE) session, wherein the bootstrap information included in the SLT is used to represent a second LCT channel that carries the SLS information; and transmitting a second signal comprising a second service component among the multiple service components via the broadband network, wherein the SLS information includes a service-based transport session instance description (S-TSID) fragment, a user service bundle description (USBD) fragment and a Media Presentation Description (MPD) fragment, wherein the S-TSID fragment includes a transport session identifier (TSI) value for the first service component transmitted via the broadcast network, wherein the MPD fragment includes each segment universal resource locator (URL) for each of the multiple service components, and wherein the USBD fragment includes first URL pattern information for the first service component transmitted via the broadcast network and second URL pattern information for the second service component transmitted via the broadband network.
  • Claim: 2. The method according to claim 1 , wherein a requested content is delivered via the broadcast network when the segment URL matches to the first URL pattern information, while the requested content is delivered via the broadband network when the segment URL matches to the second URL pattern information.
  • Claim: 3. The method according to claim 2 , wherein: the USBD fragment includes transmission method information of the multiple service components of the broadcast service, and the transmission method information includes URL base pattern information of media segments of the first service component.
  • Claim: 4. The method according to claim 3 , wherein: the USBD fragment further includes first capability information, and the first capability information describes capabilities required for the receiver to meaningfully present the broadcast service, wherein the service list table further includes second capability information and the second capability information describes capabilities required for the receiver to meaningfully present all broadcast services described in SLT.
  • Claim: 5. The method according to claim 4 , wherein the MPD fragment further includes information for identifying the multiple service components necessary to present the broadcast service according to a specific capability.
  • Claim: 6. A digital transmitter for providing a broadcast service based on a broadcast network and a broadband network, the digital transmitter comprising: a data generator configured to generate multiple service components of the broadcast service and service layer signaling (SLS) information for the broadcast service, and generate a service list table (SLT) for providing bootstrap information that allows a receiver to discover the SLS information for the broadcast service; and a transmitter configured to transmit a first service component among the multiple service components, the SLS information and the SLT via the broadcast network, and transmit a second service component among the multiple service components via the broadband network, wherein the first service component is carried via a first Layered Coding Transport (LCT) channel included in a Real-time Object delivery over Unidirectional Transport (ROUTE) session, wherein the bootstrap information included in the SLT is used to represent a second LCT channel that carries the SLS information, wherein the SLS information includes a service-based transport session instance description (S-TSID) fragment, a user service bundle description (USBD) fragment and a Media Presentation Description (MPD) fragment, wherein the S-TSID fragment includes a transport session identifier (TSI) value for the first service component transmitted via the broadcast network, wherein the MPD fragment includes each segment universal resource locator (URL) for each of the multiple service components, and wherein the USBD fragment includes first URL pattern information for the first service component transmitted via the broadcast network and second URL pattern information for the second service component transmitted via the broadband network.
  • Claim: 7. The digital transmitter according to claim 6 , wherein a requested content is delivered via the broadcast network when the segment URL matches to the first URL pattern information, while the requested content is delivered via the broadband network when the segment URL matches to the second URL pattern information.
  • Claim: 8. The digital transmitter according to claim 7 , wherein: the USBD fragment includes transmission method information of the multiple service components of the broadcast service, and the transmission method information includes URL base pattern information of media segments of the first service component.
  • Claim: 9. The digital transmitter according to claim 8 , wherein: the USBD fragment further includes first capability information, and the first capability information describes capabilities required for the receiver to meaningfully present the broadcast service, wherein the service list table further includes second capability information and the second capability information describes capabilities required for the receiver to meaningfully present all broadcast services described in SLT.
  • Claim: 10. The digital transmitter according to claim 9 , wherein the MPD fragment further includes information for identifying the multiple service components necessary to present the broadcast service according to a specific capability.
  • Claim: 11. A method for providing a broadcast service in a digital receiver, the method comprising: receiving a first signal comprising a first service component among multiple service components, service layer signaling (SLS) information for the broadcast service and a service list table (SLT) for providing bootstrap information via a broadcast network, wherein the bootstrap information is used to allow the digital receiver to discover the SLS information for the broadcast service, wherein the first service component is carried via a first Layered Coding Transport (LCT) channel included in a Real-time Object delivery over Unidirectional Transport (ROUTE) session, wherein the bootstrap information included in the SLT is further used to represent a second LCT channel that carries the SLS information; and receiving a second signal comprising a second service component among the multiple service components via a broadband network, wherein the SLS information includes a service-based transport session instance description (S-TSID) fragment, a user service bundle description (USBD) fragment and a Media Presentation Description (MPD) fragment, wherein the S-TSID fragment includes a transport session identifier (TSI) value for the first service component transmitted via the broadcast network, wherein the MPD fragment includes each segment universal resource locator (URL) for each of the multiple service components, and wherein the USBD fragment includes first URL pattern information for the first service component transmitted via the broadcast network and second URL pattern information for the second service component transmitted via the broadband network.
  • Claim: 12. The method according to claim 11 , wherein a requested content is delivered via the broadcast network when the segment URL matches to the first URL pattern information, while the requested content is delivered via the broadband network when the segment URL matches to the second URL pattern information.
  • Claim: 13. The method according to claim 12 , wherein: the USBD fragment includes transmission method information of the multiple service components of the broadcast service, and the transmission method information includes URL base pattern information of media segments of the first service component.
  • Claim: 14. The method according to claim 13 , wherein: the USBD fragment further includes first capability information, and the first capability information describes capabilities required for the receiver to meaningfully present the broadcast service, wherein the service list table further includes second capability information and the second capability information describes capabilities required for the receiver to meaningfully present all broadcast services described in SLT.
  • Claim: 15. The method according to claim 14 , wherein the MPD fragment further includes information for identifying the multiple service components necessary to present the broadcast service according to a specific capability.
  • Claim: 16. A digital receiver for providing a broadcast service, the digital receiver comprising: a broadcast interface configured to receive a first signal comprising a first service component among multiple service components, service layer signaling (SLS) information for the broadcast service and a service list table (SLT) for providing bootstrap information via a broadcast network, wherein the bootstrap information is used to allow the digital receiver to discover the SLS information for the broadcast service, wherein the first service component is carried via a first Layered Coding Transport (LCT) channel included in a Real-time Object delivery over Unidirectional Transport (ROUTE) session, wherein the bootstrap information included in the SLT is further used to represent a second LCT channel that carries the SLS information; and a broadband interface configured to receive a second signal comprising a second service component among the multiple service components via a broadband network, wherein the SLS information includes a service-based transport session instance description (S-TSID) fragment, a user service bundle description (USBD) fragment and a Media Presentation Description (MPD) fragment, wherein the S-TSID fragment includes a transport session identifier (TSI) value for the first service component transmitted via the broadcast network, wherein the MPD fragment includes each segment universal resource locator (URL) for each of the multiple service components, and wherein the USBD fragment includes first URL pattern information for the first service component transmitted via the broadcast network and second URL pattern information for the second service component transmitted via the broadband network.
  • Claim: 17. The digital receiver according to claim 16 , wherein a requested content is delivered via the broadcast network when the segment URL matches to the first URL pattern information, while the requested content is delivered via the broadband network when the segment URL matches to the second URL pattern information.
  • Claim: 18. The digital receiver according to claim 17 , wherein: the USBD fragment includes transmission method information of the multiple service components of the broadcast service, and the transmission method information includes URL base pattern information of media segments of the first service component.
  • Claim: 19. The digital receiver according to claim 18 , wherein: the USBD fragment further includes first capability information, and the first capability information describes capabilities required for the receiver to meaningfully present the broadcast service, wherein the service list table further includes second capability information and the second capability information describes capabilities required for the receiver to meaningfully present all broadcast services described in SLT.
  • Claim: 20. The digital receiver according to claim 19 , wherein the MPD fragment further includes information for identifying the multiple service components necessary to present the broadcast service according to a specific capability.
  • Patent References Cited: 6714905 March 2004 Chang et al. ; 9122808 September 2015 Salmonsen ; 9661400 May 2017 Suh ; 9680601 June 2017 Hong ; 9948417 April 2018 Kwon ; 2008/0140811 June 2008 Welch ; 2009/0086657 April 2009 Alpert ; 2009/0180451 July 2009 Alpert ; 2010/0195633 August 2010 Vare ; 2010/0234071 September 2010 Shabtay ; 2012/0051320 March 2012 Väre et al. ; 2013/0034032 February 2013 Väre et al. ; 2013/0291027 October 2013 Hwang ; 2013/0294321 November 2013 Wang et al. ; 2013/0308505 November 2013 Hong ; 2014/0040959 February 2014 Oyman ; 2014/0372624 December 2014 Wang et al. ; 2015/0026352 January 2015 De Foy et al. ; 2015/0256981 September 2015 Chen et al. ; 2016/0037199 February 2016 Oh et al. ; 2016/0255394 September 2016 Yang ; 2016/0277774 September 2016 Yamagishi ; 2017/0171576 June 2017 Oh ; 2017/0373776 December 2017 Lee ; 2017/0374421 December 2017 Yim ; 2018/0048408 February 2018 Deshpande ; 2018/0139476 May 2018 Deshpande ; 2020/0145117 May 2020 Kwak ; 102484694 May 2012 ; 103650390 March 2014 ; 104219542 December 2014 ; 2 618 563 July 2013 ; 10-2010-0081714 July 2010 ; 10-2013-0018208 February 2013 ; 10-2013-0110201 October 2013 ; WO 2014/209057 December 2014
  • Primary Examiner: Yohannes, Tesfay
  • Attorney, Agent or Firm: Birch, Stewart, Kolasch & Birch, LLP

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