Broadcast Signal Reception Using ROUTE Protocol for Reduced Latency
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Solution Overview
Problem
Current digital broadcast systems face challenges in efficiently processing and transmitting multimedia content across hybrid broadcast networks, where broadband and broadcast technologies interoperate, leading to increased latency and delays in content delivery.
Innovation Solution
The implementation of a broadcast transmission apparatus and reception apparatus using the ROUTE protocol, which generates and transmits 'Delivery Objects' and signaling information through a unidirectional channel, enabling real-time delivery of multimedia content by optimizing packetization and FEC protection, and supporting layered coding and flexible fragmentation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If digital broadcast signals include greater amounts of video/audio data and additional data, then the information content increases, but the transmission time and processing complexity increase
Solution Approach 1:
The patent segments the digital broadcast signal into distinct components: video data, audio data, and additional data. This segmentation allows each type of data to be processed and transmitted efficiently through dedicated channels or methods, reducing overall transmission time while maintaining high information content
Solution Approach 2:
The patent introduces a hybrid broadcast system that operates in multiple dimensions by combining conventional broadcast networks with broadband networks. This multi-dimensional approach allows simultaneous transmission of different data types through different network paths, increasing information throughput without proportionally increasing transmission time
2Adaptability or versatility
If digital broadcast signals include various types of additional data, then the service functionality improves, but the processing complexity increases
Solution Approach 1:
The patent implements a universal processing framework that handles multiple data types (video, audio, additional data) through standardized processing modules. This multi-functional approach enables the system to process diverse services while maintaining consistent processing complexity through reusable components and protocols
3Adaptability or versatility
If broadband and broadcast technologies interoperate in a hybrid system, then the system versatility improves, but the transmission latency increases
Solution Approach 1:
The patent introduces synchronization mechanisms and standardized interface protocols as intermediaries between broadband and broadcast networks. These intermediaries coordinate data flow and timing across the hybrid system, enabling versatile interoperability while minimizing transmission latency through efficient handoff and synchronization protocols
Data Source
AI summary
An apparatus for receiving a broadcast signal, the apparatus including a tuner configured to receive transport packets for signaling data and transport packets for delivery objects, a delivery object is a part of a file for video content of a broadcast service: a signaling parser configured to parse the signaling data including session information including an extended file delivery table providing information about delivery of the file, in which the extended file delivery table including file template information: and a data processor configured to generate location information for the file by substituting an identifier in the file template information with a Transport Object Identifier (TOI) in a header of a transport packet for the delivery object. Further, a payload of the transport packet for the delivery object carries a contiguous portion of the delivery object starting from a beginning of a first byte value through a byte value related to a sum of the first byte value and second byte value, the first byte value is a value of start offset information, that is followed by the payload, in the transport packet, and the second byte value is a length of the payload computed by subtracting a size of the header and a size of the start offset information from a total length of the transport packet.