WLAN QoS Parameter Signaling for Delay-Sensitive Traffic
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Solution Overview
Problem
The transmission performance of traffic flows in wireless local area networks (WLANs) based on quality of service (QoS) characteristics requires further improvement.
Innovation Solution
A station (STA) acquires QoS parameter information for traffic flow transmission supported by a first access point (AP) on a first channel and performs subsequent transmission of delay-sensitive traffic flows based on this information to optimize transmission performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If QoS characteristics are introduced to improve transmission performance, then transmission performance is improved, but device complexity increases
Solution Approach 1:
The patent applies preliminary action by having the access point pre-calculate and announce QoS parameter information (including available service time parameters) before actual traffic transmission. This allows stations to acquire QoS parameters in advance through announcement frames, enabling them to perform subsequent transmissions based on pre-provided quality information without requiring complex real-time negotiations, thus improving transmission performance while controlling device complexity.
2Productivity
If QoS parameter information is announced to optimize delay-sensitive traffic transmission, then transmission performance is optimized, but information loss increases
Solution Approach 1:
The patent applies parameter changes by transforming abstract QoS characteristics into concrete, quantifiable parameters including available service time parameters (minimum available service duration, maximum available service duration, minimum available service interval, maximum available service interval). These parameterized QoS metrics are announced to stations, enabling precise transmission optimization for delay-sensitive traffic while maintaining complete information availability for performance optimization.
Data Source
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AI summary
The embodiments of the present application provide a wireless communication method, and a device. An STA can acquire traffic flow transmission QoS parameter information that can be supported by a first AP in a first channel, such that the STA can perform subsequent transmission of a traffic flow (e.g., a time-sensitive traffic flow) on the basis of the acquired traffic flow transmission QoS parameter information that can be supported by the first AP in the first channel, so as to optimize the traffic flow transmission performance. The wireless communication method comprises: an STA receiving first information, wherein the first information at least comprises traffic flow transmission QoS parameter information that can be supported by a first AP in a first channel.