Wireless LAN Trigger Frame Sensing Measurement with Variant Identification
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Solution Overview
Problem
Existing wireless LAN systems lack a method to accurately identify and perform sensing measurements based on trigger frames, leading to ambiguity in trigger frame types.
Innovation Solution
A method for performing sensing measurement in a wireless LAN system involves receiving a trigger frame with specific subfields and performing triggered-based sensing measurements, identifying whether the trigger frame is a sensing trigger variant through the trigger dependent common info subfield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If trigger frames are used for multiple purposes (data transmission and sensing), then resource utilization improves, but trigger frame type identification becomes ambiguous
Solution Approach 1:
The patent applies local quality by introducing a specific sensing indicator field within the trigger frame structure. This field is placed at a specific location (local) within the frame to indicate whether the trigger frame carries sensing information, allowing receivers to correctly identify the frame type without affecting the overall versatility of the trigger frame mechanism
2Adaptability or versatility
If sensing measurements are performed based on trigger frames, then sensing capability is added, but trigger frame structure complexity increases
Solution Approach 1:
The patent segments the trigger frame information by introducing a separate sensing indicator field that specifically marks sensing-related trigger frames. This segmentation allows the system to add sensing capability without fundamentally restructuring the entire trigger frame format, thereby minimizing the increase in overall structure complexity while enabling the new functionality
Data Source
AI summary
A method and apparatus for performing sensing measurement in a wireless LAN system are disclosed. According to an embodiment of the present disclosure, the method for performing sensing measurement in a wireless LAN system comprises the steps of: receiving, from a second STA, a trigger frame including a trigger subtype subfield having a value set to 8 and a trigger dependent common information subfield; and performing triggered-based (TB) sensing measurement on the basis of the trigger frame, wherein the trigger dependent common information subfield may a include sensing subfield indicating whether or not the type of trigger frame is a sensing trigger variant.