# US 11,309,982 B2 · Broadcast signal transmission device, broadcast signal reception device, broadcast signal transmission method and broadcast signal reception method

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- Number: US 11,309,982 B2
- Document ID: US11309982B2
- Status: Granted
- Kind: B2
- Application number: 17/192,581
- Filed: 2021-03-04
- Published: 2021-06-24
- Granted: 2022-04-19
- Earliest claimed: 2014-09-03
- Assignees: LG Electronics Inc.
- Applicants: LG Electronics Inc.
- Inventors: Sejin Oh; Woosuk Ko; Sungryong Hong; Minsung Kwak; Woosuk Kwon; Jangwon Lee
- Web page: https://patentgrep.com/patent/US11309982B2

## CPC

- H04H 20/95: characterised by a specific format, e.g. an encoded audio stream
- H04H 60/73: using meta-information
- H04L 65/1066: Session management
- 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)
- H04N 21/236: Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream {(multiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)}
- H04N 21/2383: Channel coding {or modulation} of digital bit-stream, e.g. QPSK modulation (arrangements for detecting or preventing errors in the information received by adapting the channel coding H04L1/0009; analogue front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002)
- H04N 21/434: Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream {(demultiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)}
- H04N 21/4345: {Extraction or processing of SI, e.g. extracting service information from an MPEG stream}
- H04N 21/4382: {Demodulation or channel decoding, e.g. QPSK demodulation (analog front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002)}
- H04H: BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

A broadcast signal transmission method includes encoding service data of a service and service layer signaling information that are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session, wherein the service layer signaling information includes transport session information containing transport session identifier (TSI) information for the service data and wherein a value of TSI information for the service layer signaling information is zero; and encoding signaling information for one or more services including the service, wherein the signaling information includes one or more service element entries corresponding to the one or more services, wherein a service element entry corresponding to the service includes service information related to the service, and wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, short name information of the service and access information of the ROUTE session.

## Claims

### Claim 1

A broadcast signal transmission method comprising:
encoding service data of a service and service layer signaling information that are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session,
wherein the service layer signaling information includes transport session information containing transport session identifier (TSI) information for the service data and wherein a value of TSI information for the service layer signaling information is zero;
encoding signaling information for one or more services including the service,
wherein the signaling information includes one or more service element entries corresponding to the one or more services,
wherein a service element entry corresponding to the service includes service information related to the service,
wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, short name information of the service and access information of the ROUTE session, and
wherein the access information includes destination address information and destination port information; and
transmitting the encoded service data, the encoded service layer signaling information and the encoded signaling information.

### Claim 2 (depends on 1)

The method of claim 1, wherein a value of the first version information is incremented by 1 in response to the service information that is changed.

### Claim 3 (depends on 1)

The method of claim 1, wherein the signaling information further includes second version information for indicating a change of any information in the one or more service element entries.

### Claim 4 (depends on 1)

The method of claim 1, wherein the service information further includes status information for indicating whether the service is hidden.

### Claim 5 (depends on 1)

The method of claim 1, wherein the access information further includes source address information.

### Claim 6

A broadcast signal transmission device comprising:
a first encoder configured to encode service data of a service and service layer signaling information that are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session,
wherein the service layer signaling information includes transport session information containing transport session identifier (TSI) information for the service data and wherein a value of TSI information for the service layer signaling information is zero;
a second encoder configured to encode signaling information for one or more services including the service,
wherein the signaling information includes one or more service element entries corresponding to the one or more services,
wherein a service element entry corresponding to the service includes service information related to the service,
wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, short name information of the service and access information of the ROUTE session, and
wherein the access information includes destination address information and destination port information; and
a transmitter configured to transmit a broadcast signal having the encoded service data, the encoded service layer signaling information and the encoded signaling information.

### Claim 7 (depends on 6)

The broadcast signal transmission device of claim 6, wherein a value of the first version information is incremented by 1 in response to the service information that is changed.

### Claim 8 (depends on 6)

The broadcast signal transmission device of claim 6, wherein the signaling information further includes second version information for indicating a change of any information in the one or more service element entries.

### Claim 9 (depends on 6)

The broadcast signal transmission device of claim 6, wherein the service information further includes status information for indicating whether the service is hidden.

### Claim 10 (depends on 6)

The broadcast signal transmission device of claim 6, wherein the access information further includes source address information.

### Claim 11

A broadcast signal reception method comprising:
receiving a broadcast signal having service data of a service, service layer signaling information and signaling information for one or more services including the service,
wherein the service data and the service layer signaling information are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session,
wherein the signaling information includes one or more service element entries corresponding to the one or more services,
wherein a service element entry corresponding to the service includes service information related to the service,
wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, short name information of the service and access information of the ROUTE session,
wherein the access information includes destination address information and destination port information,
wherein the service layer signaling information includes transport session information containing transport session identifier (TSI) information for the service data, and
wherein a value of TSI information for the service layer signaling information is zero; and
processing the service data based on the signaling information and the service layer signaling information.

### Claim 12 (depends on 11)

The method of claim 11, wherein a value of the first version information is incremented by 1 in response to the service information that is changed.

### Claim 13 (depends on 11)

The method of claim 11, wherein the signaling information further includes second version information for indicating a change of any information in the one or more service element entries.

### Claim 14 (depends on 11)

The method of claim 11, wherein the service information further includes status information for indicating whether the service is hidden.

### Claim 15 (depends on 11)

The method of claim 11, wherein the access information further includes source address information.

### Claim 16

A broadcast signal reception device comprising:
a receiver configured to receive a broadcast signal having service data of a service, service layer signaling information and signaling information for one or more services including the service,
wherein the service data and the service layer signaling information are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session,
wherein the signaling information includes one or more service element entries corresponding to the one or more services,
wherein a service element entry corresponding to the service includes service information related to the service,
wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, short name information of the service and access information of the ROUTE session,
wherein the access information includes destination address information and destination port information,
wherein the service layer signaling information includes transport session information containing transport session identifier (TSI) information for the service data, and
wherein a value of TSI information for the service layer signaling information is zero; and
a processor configured to process the service data based on the signaling information and the service layer signaling information.

### Claim 17 (depends on 16)

The broadcast signal reception device of claim 16, wherein a value of the first version information is incremented by 1 in response to the service information that is changed.

### Claim 18 (depends on 16)

The broadcast signal reception device of claim 16, wherein the signaling information further includes second version information for indicating a change of any information in the one or more service element entries.

### Claim 19 (depends on 16)

The broadcast signal reception device of claim 16, wherein the service information further includes status information for indicating whether the service is hidden.

### Claim 20 (depends on 16)

The broadcast signal reception device of claim 16, wherein the access information further includes source address information.
