# US 10,873,495 B2 · Apparatus and method for transmitting or receiving broadcast signal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,873,495 B2 - Document ID: US10873495B2 - Status: Granted - Kind: B2 - Application number: 16/730,438 - Filed: 2019-12-30 - Published: 2020-07-16 - Granted: 2020-12-22 - Earliest claimed: 2015-09-08 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Minsung Kwak; Seungryul Yang; Woosuk Ko; Woosuk Kwon; Kyoungsoo Moon; Jangwon Lee; Sungryong Hong - Web page: https://patentgrep.com/patent/US10873495B2 ## CPC - H04L 67/51: Discovery or management thereof, e.g. service location protocol [SLP] or web services - H04L 65/611: for multicast or broadcast (systems for broadcast or conference H04L12/18; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time H04H60/00; selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS], H04W4/06) - H04L 65/70: Media network packetisation - H04L 65/80: Responding to QoS - H04L 67/02: based on web technology, e.g. hypertext transfer protocol [HTTP] - H04L 69/323: in the physical layer [OSI layer 1] - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Disclosed is a method for transmitting a broadcast signal. A method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: delivery layer processing broadcasting service data and signaling information for the broadcasting service data; UDP/IP encapsulating the broadcasting service data and signaling information for the broadcasting service data; and physical layer processing the broadcasting service data and signaling information for the broadcasting service data. ## Claims ### Claim 1 A method for delivering at least one service based on hybrid broadcast/broadband networks in a digital transmitter, the method comprising: generating service layer signaling (SLS) information, wherein the SLS information provides information for discovery and acquisition of the at least one service and at least one content component of the at least one service, further the at least one content component comprises an audio component or a video component; generating low level signaling (LLS) information, the LLS information including identification information for identifying a type of at least one table; and transmitting a broadcast signal including the SLS information and the LLS information based on a broadcast network, wherein the identification information included in the LLS information is used to represent a service list table (SLT) among the at least one table, further the SLT is used to enable a receiver to build a basic service list, and bootstrap a discovery of the SLS information for the at least one service, and wherein the SLT includes SLS protocol information for indicating a type of a delivery protocol of the SLS information and uniform resource locator (URL) information comprising a first URL used for obtaining the SLS information via a broadband network different than the broadcast network, wherein the first URL is used to make an hypertext transfer protocol (HTTP) request for requesting a specific SLS information to a signaling server, and wherein a response message for the HTTP request from the signaling server includes a metadata envelope, and the metadata envelope includes next URL information comprising a second URL for obtaining next scheduled update for the specific SLS information. ### Claim 2 (depends on 1) The method of claim 1, wherein when the delivery protocol is a Real Time Object Delivery over Unidirectional Transport (ROUTE) protocol, the SLS information includes a media presentation description (MPD) fragment providing a description regarding a media presentation regarding the at least one service, and the MPD fragment includes an asset ID information for associating at least one content ID providing identification information of linear content and identification information of supplementary content of the at least one service. ### Claim 3 (depends on 2) The method of claim 2, wherein the at least one content ID includes a first content ID providing identification information of entertainment-related supplementary content and a second content ID providing identification information of advertisement-related supplementary content. ### Claim 4 (depends on 1) The method of claim 1, wherein the SLT includes service category information, and a service category includes at least one of a linear audio/video service, a service of only linear audio, an app-based service, an electronic service guide (ESG) service, or an emergency alert system (EAS) service. ### Claim 5 (depends on 4) The method of claim 4, wherein when the service category is the ESG service, service data regarding the ESG service includes service guide information for announcing information regarding the at least one service, and the service guide information includes a service fragment having information regarding the at least one service and a content fragment having content information regarding the at least one service, wherein the content fragment includes a preview icon element providing a third URL pointing to an icon used to represent the at least one service. ### Claim 6 A digital transmitter for delivering at least one service based on hybrid broadcast/broadband networks, the digital transmitter comprising: a processor configure to generate service layer signaling (SLS) information, wherein the SLS information provides information for discovery and acquisition of the at least one service and at least one content component of the at least one service, further the at least one content component comprises an audio component or a video component, generate low level signaling (LLS) information, the LLS information including identification information for identifying a type of at least one table; and a transmitter configured to transmit a broadcast signal including the SLS information and the LLS information based on a broadcast network, wherein the identification information included in the LLS information is used to represent a service list table (SLT) among the at least one table, further the SLT is used to enable a receiver to build a basic service list, and bootstrap a discovery of the SLS information for the at least one service, and wherein the SLT includes SLS protocol information for indicating a type of a delivery protocol of the SLS information and uniform resource locator (URL) information comprising a first URL used for obtaining the SLS information via a broadband network different than the broadcast network, wherein the first URL is used to make an hypertext transfer protocol (HTTP) request for requesting a specific SLS information to a signaling server, and wherein a response message for the HTTP request from the signaling server includes a metadata envelope, and the metadata envelope includes next URL information comprising a second URL for obtaining next scheduled update for the specific SLS information. ### Claim 7 (depends on 6) The digital transmitter of claim 6, wherein when the delivery protocol is a Real Time Object Delivery over Unidirectional Transport (ROUTE) protocol, the SLS information includes a media presentation description (MPD) fragment providing a description regarding a media presentation regarding the at least one service, and the MPD fragment includes an asset ID information for associating at least one content ID providing identification information of linear content and identification information of supplementary content of the at least one service. ### Claim 8 (depends on 7) The digital transmitter of claim 7, wherein the at least one content ID includes a first content ID providing identification information of entertainment-related supplementary content and a second content ID providing identification information of advertisement-related supplementary content. ### Claim 9 (depends on 6) The digital transmitter of claim 6, wherein the SLT includes service category information, and a service category includes at least one of a linear audio/video service, a service of only linear audio, an app-based service, an electronic service guide (ESG) service, or an emergency alert system (EAS) service. ### Claim 10 (depends on 9) The digital transmitter of claim 9, wherein when the service category is the ESG service, service data regarding the ESG service includes service guide information for announcing information regarding the at least one service, and the service guide information includes a service fragment having information regarding the at least one service and a content fragment having content information regarding the at least one service, wherein the content fragment includes a preview icon element providing a third URL pointing to an icon used to represent the at least one service. ### Claim 11 A method for providing at least one service based on hybrid broadcast/broadband networks in a digital receiver, the method comprising: receiving a broadcast signal including service layer signaling (SLS) information and low level signaling (LLS) information based on a broadcast network, wherein the SLS information provides information for discovery and acquisition of the at least one service and at least one content component of the at least one service, further the at least one content component comprises an audio component or a video component; wherein the LLS information includes identification information for identifying a type of at least one table; and processing the broadcast signal including the SLS information and the LLS information, wherein the identification information included in the LLS information is used to represent a service list table (SLT) among the at least one table, further the SLT is used to enable a receiver to build a basic service list, and bootstrap a discovery of the SLS information for the at least one service, and wherein the SLT includes SLS protocol information for indicating a type of a delivery protocol of the SLS information and uniform resource locator (URL) information comprising a first URL used for obtaining the SLS information via a broadband network different than the broadcast network, wherein the first URL is used to make an hypertext transfer protocol (HTTP) request for requesting a specific SLS information to a signaling server, and wherein a response message for the HTTP request from the signaling server includes a metadata envelope, and the metadata envelope includes next URL information comprising a second URL for obtaining next scheduled update for the specific SLS information. ### Claim 12 (depends on 11) The method of claim 11, wherein when the delivery protocol is a Real Time Object Delivery over Unidirectional Transport (ROUTE) protocol, the SLS information includes a media presentation description (MPD) fragment providing a description regarding a media presentation regarding the at least one service, and the MPD fragment includes an asset ID information for associating at least one content ID providing identification information of linear content and identification information of supplementary content of the at least one service. ### Claim 13 (depends on 12) The method of claim 12, wherein the at least one content ID includes a first content ID providing identification information of entertainment-related supplementary content and a second content ID providing identification information of advertisement-related supplementary content. ### Claim 14 (depends on 11) The method of claim 11, wherein the SLT includes service category information, and a service category includes at least one of a linear audio/video service, a service of only linear audio, an app-based service, an electronic service guide (ESG) service, or an emergency alert system (EAS) service. ### Claim 15 (depends on 14) The method of claim 14, wherein when the service category is the ESG service, service data regarding the ESG service includes service guide information for announcing information regarding the at least one service, and the service guide information includes a service fragment having information regarding the at least one service and a content fragment having content information regarding the at least one service, wherein the content fragment includes a preview icon element providing a third URL pointing to an icon used to represent the at least one service. ### Claim 16 A digital receiver for providing at least one service based on hybrid broadcast/broadband networks, the digital receiver comprising: a receiver configured to receive a broadcast signal including service layer signaling (SLS) information and low level signaling (LLS) information based on a broadcast network, wherein the SLS information provides information for discovery and acquisition of the at least one service and at least one content component of the at least one service, further the at least one content component comprises an audio component or a video component; wherein the LLS information includes identification information for identifying a type of at least one table; and a processor configured to process the broadcast signal including the SLS information and the LLS information, wherein the identification information included in the LLS information is used to represent a service list table (SLT) among the at least one table, further the SLT is used to enable a receiver to build a basic service list, and bootstrap a discovery of the SLS information for the at least one service, and wherein the SLT includes SLS protocol information for indicating a type of a delivery protocol of the SLS information and uniform resource locator (URL) information comprising a first URL used for obtaining the SLS information via a broadband network different than the broadcast network, wherein the first URL is used to make an hypertext transfer protocol (HTTP) request for requesting a specific SLS information to a signaling server, and wherein a response message for the HTTP request from the signaling server includes a metadata envelope, and the metadata envelope includes next URL information comprising a second URL for obtaining next scheduled update for the specific SLS information. ### Claim 17 (depends on 16) The digital receiver of claim 16, wherein when the delivery protocol is a Real Time Object Delivery over Unidirectional Transport (ROUTE) protocol, the SLS information includes a media presentation description (MPD) fragment providing a description regarding a media presentation regarding the at least one service, and the MPD fragment includes an asset ID information for associating at least one content ID providing identification information of linear content and identification information of supplementary content of the at least one service. ### Claim 18 (depends on 17) The digital receiver of claim 17, wherein the at least one content ID includes a first content ID providing identification information of entertainment-related supplementary content and a second content ID providing identification information of advertisement-related supplementary content. ### Claim 19 (depends on 16) The digital receiver of claim 16, wherein the SLT includes service category information, and a service category includes at least one of a linear audio/video service, a service of only linear audio, an app-based service, an electronic service guide (ESG) service, or an emergency alert system (EAS) service. ### Claim 20 (depends on 19) The digital receiver of claim 19, wherein when the service category is the ESG service, service data regarding the ESG service includes service guide information for announcing information regarding the at least one service, and the service guide information includes a service fragment having information regarding the at least one service and a content fragment having content information regarding the at least one service, wherein the content fragment includes a preview icon element providing a third URL pointing to an icon used to represent the at least one service.