Wireless Stream Control Signaling for Protocol Version Compatibility
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Solution Overview
Problem
Traditional communication systems lack flexibility and extensibility in signaling configuration information, making it difficult to accommodate unforeseen changes and new technology innovations while maintaining backward compatibility.
Innovation Solution
A reconfigurable method for generating and transmitting control information using a tree-based data structure and an extensible control language (XCL), which allows for dynamic configuration of audiovisual devices to present multimedia streams and supports forward and backward compatibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional communication systems use predefined formats for data and control streams, then system simplicity is maintained, but flexibility and extensibility are limited
Solution Approach 1:
The control information is segmented into multiple groups, each associated with different protocol versions. This allows the system to transmit multiple versions of control information simultaneously, enabling both legacy and new devices to find their compatible version without requiring a complete system redesign.
Solution Approach 2:
The system dynamically adapts to different device capabilities by providing multiple protocol versions. New devices can utilize advanced features while legacy devices continue to operate with older protocols, allowing the system to evolve without breaking backward compatibility.
2Adaptability or versatility
If XML-based extensible languages are used for data structuring, then forward compatibility is improved, but bandwidth efficiency deteriorates due to excessive overhead
Solution Approach 1:
The system changes the parameters of control information groups by associating each group with a specific protocol version. This allows efficient encoding of version-specific features without requiring verbose text-based descriptions, achieving both forward compatibility and bandwidth efficiency.
Solution Approach 2:
The patent extracts only the essential version identification and control information needed for each device type, removing the excessive overhead inherent in XML-based approaches. This selective extraction maintains extensibility while dramatically reducing bandwidth consumption.
3Adaptability or versatility
If control information is transmitted for all protocol versions, then forward compatibility is improved, but information overhead increases
Solution Approach 1:
Different groups of control information are tailored to specific protocol versions and device capabilities. Each receiving device processes only the control information group relevant to its protocol version, eliminating unnecessary information overhead while maintaining forward compatibility.
4Stability of the object's composition
If legacy devices must process all control information, then system uniformity is maintained, but processing efficiency deteriorates
Solution Approach 1:
Control information is segmented into version-specific groups, allowing legacy devices to process only their compatible group. This segmentation maintains system uniformity through standardized interfaces while dramatically improving processing efficiency by eliminating unnecessary computation.
Data Source
AI summary
Control information for configuring an audiovisual device to present multimedia content according to a first service type may be generated. A method may include generating first control information for configuring an audiovisual device to decode a multimedia stream, generating first data that indicates a structure of the first control information, and transmitting the first data and the first control information. The first control information may be generated according to a first protocol version. Second data and second control information may be similarly generated and transmitted according to a second protocol version. Disclosed techniques may facilitate receiving devices to determine whether they support received wireless transmissions and decode the transmissions based on the control information.