ESG Fragment Container Header Inversion
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Solution Overview
Problem
Current systems for transmitting Electronic Service Guide (ESG) fragments across networks are inefficient due to the lack of unique identification of fragments, an effective header or indexing structure, and the need for repetitive parameters, leading to delayed accessibility of ESG information to end users.
Innovation Solution
The solution involves forming containers with ESG fragments using Asynchronous Layer Coding (ALC)/Layered Coding Transport (LCT) and a simple, extensible header structure, allowing for efficient transportation and compression of ESG fragments, along with metadata such as program data and user information, without the need for unnecessary repetition of parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If ESG fragments are transmitted without a header before the data, then the information can be accessed immediately upon reception, but the information becomes inaccessible or useless if the header is not received
Solution Approach 1:
The patent inverts the traditional transmission order by placing the ESG fragment data before the header in the container structure. This allows the receiver to access the information immediately upon receiving the data portion, while the header follows afterward to provide additional context and metadata about the fragment.
2Productivity
If traditional header structures are used before ESG fragments, then parameter information is provided, but the transmission efficiency is reduced and information access is delayed
Solution Approach 1:
The container structure inverts the conventional approach by positioning the ESG fragment payload before the header section, enabling immediate information access while maintaining all necessary parameter information in the header that follows.
Solution Approach 2:
The container is segmented into distinct sections: the ESG fragment data portion followed by the header portion. This segmentation allows the receiver to process and access the critical information immediately while the header provides supplementary details.
3Loss of information
If repetitive parameters are included for each ESG fragment, then complete information is provided, but the data size increases and compression efficiency decreases
Solution Approach 1:
The header structure is designed to serve multiple fragments simultaneously through universal parameter definitions. Rather than repeating parameters for each fragment, the header provides a set of parameters that apply to the container's contents, reducing redundancy while maintaining information completeness.
Data Source
AI summary
An aspect of the invention provides an efficient transportation of ESG fragments to a receiver through the formation of containers. A container comprises at least one ESG fragment, but may contain a plurality of fragments. A fragment may be also carried by more than one container. Aspects of the present invention utilize a simple and extensible header structure apart from the fragments and independent of the type and format of the individual fragments. In an aspect of the present invention, compression is applied over the entire container, including the fragments and any headers. In an aspect of the present invention, a 3GPP metadata envelope is carried within the container without the need for unnecessary repetition of parameters, such as for example, version, validity time, and identification. In an aspect of the present invention, a simplified container system allows for the updating of previously received fragments.