Multimedia Packet Configuration for Network Adaptation

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Solution Overview

Problem

Existing multimedia data transmission technologies face challenges in providing an efficient service suitable for network environments, requiring techniques to configure and decompose multimedia content based on its characteristics.

Innovation Solution

A data packet generation method and apparatus that defines information for MPEG Media Transport (MMT) packet headers and payloads, configuring transmission structures to adapt to multimedia service requirements, enabling efficient transmission and reception of multimedia data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multimedia data is transmitted using conventional transmission technologies, then transmission can be performed over existing networks, but transmission efficiency and service suitability for specific network environments cannot be optimized

Engineering Contradiction:
Improvetransmission efficiencyVSAvoidservice suitability for network environment
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The multimedia data is segmented into multiple transmission packets with different priorities and types. The transmission apparatus divides the data stream into base layer packets and enhancement layer packets, allowing selective transmission based on network conditions and service requirements, thereby optimizing transmission efficiency while maintaining adaptability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The transmission structure is designed to be dynamic and configurable based on service types and network conditions. The apparatus can adaptively adjust packetization parameters, priority assignments, and transmission patterns according to real-time requirements, enabling both high efficiency and broad adaptability across different network environments.

Inventive Principle:
Principle #15Dynamics

2Productivity

If multimedia data packets are configured with detailed transmission structures, then transmission efficiency can be optimized, but system complexity increases

Engineering Contradiction:
Improvetransmission efficiencyVSAvoiddata packet configuration complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The transmission apparatus employs a universal packet structure that can handle multiple service types (broadcasting, multicast, unicast) and different multimedia data types through configurable parameters. This multi-functional design achieves optimized transmission efficiency without requiring separate complex systems for each service type, thereby controlling overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Productivity

If conventional transmission methods are used, then implementation is straightforward, but optimal performance in diverse network environments cannot be achieved

Engineering Contradiction:
Improveoptimal performanceVSAvoidimplementation complexity
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The system optimizes performance by dynamically changing transmission parameters such as packet size, priority levels, and protocol selection based on network conditions and service requirements. This parameter-based adaptation achieves optimal performance across diverse networks while maintaining a relatively simple base implementation structure that is easier to deploy than completely custom solutions.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3092812B1Method and apparatus for transmitting and receiving media data in multimedia system
Publication Date: 2020.03.11 SAMSUNG ELECTRONICS CO LTD
  • EP3092812B1 patent drawingFigure 1~2
  • EP3092812B1 patent drawingFigure 3
  • EP3092812B1 patent drawingFigure 4~5

AI summary

A method for transmitting media data in a multimedia system is provided. The method includes determining a transport packet header format and a transmission structure that are to be generated based on a transmission requirement of a multimedia service configured by the media data, generating a basic transmission unit of the media data based on the determined transport packet header format and the determined transmission structure, packetizing the media data into at least a packet based on the generated basic transmission unit, and transmitting the packetized media data.