Service Guide Fragmentation for Mobile Broadcasting Overhead
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Solution Overview
Problem
The exponential increase in the number and size of service guide fragments in mobile broadcasting systems leads to significant overhead in transmission and display time, making it inefficient to receive and present comprehensive service guides on mobile terminals.
Innovation Solution
A method and apparatus that utilize a basic service guide to efficiently distribute and receive complementary information, where reception information about additional service guides is embedded within the basic guide, allowing terminals to access and display these additional guides when needed, thereby reducing the overall transmission and processing burden.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If comprehensive service guide information is transmitted to mobile terminals, then users can access complete service information, but transmission overhead and display time increase significantly
Solution Approach 1:
The service guide is divided into multiple fragments, with only essential information transmitted in the basic service guide. Additional service guide fragments are transmitted separately and assembled at the terminal only when needed, reducing initial transmission overhead while maintaining information completeness upon demand.
Solution Approach 2:
The basic service guide contains references to additional service guide fragments, creating a nested structure where the main guide embeds pointers to supplementary information. This allows the terminal to receive a compact basic guide first, then selectively retrieve nested additional fragments as needed.
2Loss of information
If complete service guide fragments are transmitted, then all service information is available, but transmission overhead increases
Solution Approach 1:
Non-essential or supplementary service guide information is extracted from the main service guide and transmitted as separate additional fragments. The basic service guide contains only critical information, reducing transmission overhead while allowing terminals to retrieve specific additional fragments only when those services are accessed.
3Loss of information
If all service guide information is assembled at the terminal, then complete service information is displayed, but processing time increases
Solution Approach 1:
The basic service guide is assembled and made available at the terminal in advance, providing immediate access to essential service information. Additional service guide fragments are assembled on-demand when specific services are accessed, improving initial service display speed while maintaining completeness when needed.
Data Source
AI summary
A method and apparatus for providing an SG in a mobile broadcasting system are provided. The apparatus and method include a terminal for receiving a first SG, for acquiring reception information about a second SG from the first SG, if a service fragment list extracted from the first SG includes information about at least one second SG different from the first SG, and for receiving the second SG based on the acquired reception information.