Wireless Traffic Management With Auxiliary Stream Identification
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Solution Overview
Problem
In wireless communications systems, receiving stations struggle to identify which medium access control service data units belong to specific streams with quality of service requirements when multiple streams are mapped to the same traffic identifier, leading to inefficient processing.
Innovation Solution
Incorporating auxiliary information, such as stream identifiers, into data units to differentiate and process streams with specific quality of service requirements, ensuring proper handling and reordering without introducing side effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple streams are mapped to the same traffic identifier to improve resource utilization, then system efficiency is improved, but receiving stations cannot identify which data units belong to specific streams leading to processing inefficiency
Solution Approach 1:
The patent introduces an intermediary mechanism (stream identification information embedded in data units) that mediates between the aggregated traffic identifier and the specific stream classification. This intermediary enables receiving stations to identify and differentiate streams even when multiple streams share the same traffic identifier, resolving the contradiction between resource utilization and identification capability.
2Measurement precision
If stream classification information is embedded in each data unit to improve identification accuracy, then stream identification precision is improved, but data unit overhead increases
Solution Approach 1:
The patent applies partial action by selectively embedding stream identification information only when necessary (e.g., when multiple streams are mapped to the same TID). This avoids adding overhead to all data units uniformly, thereby achieving precise stream identification where needed while minimizing unnecessary overhead in other cases.
3Reliability
If separate processing policies are applied to different streams to meet quality of service requirements, then quality of service differentiation is improved, but processing complexity increases
Solution Approach 1:
The patent implements preliminary action by pre-classifying and tagging data units with stream identification information before transmission. This allows receiving stations to apply appropriate quality of service policies based on the pre-marked information, avoiding the need for complex real-time analysis and decision-making processes at the receiving end.
Data Source
AI summary
A method for performing traffic flow management with aid of auxiliary information and associated apparatus are provided. The method may include: carrying first auxiliary information in at least one first data unit of first data units in a first stream, wherein the first stream and a second stream are assigned to a same traffic identifier (TID); and sending the at least one first data unit carrying the first auxiliary information and at least one second data unit in the second stream to the second device, wherein the first auxiliary information comprises an indication of the first data units being part of the first stream.