WLAN Trigger Frame Sensing Measurement Reporting
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Solution Overview
Problem
Existing communication methods in wireless local area networks (WLANs) face challenges in efficiently exchanging message-dependent information during the sensing phase, particularly in reporting sensing measurements across devices.
Innovation Solution
A communication method and device that transmit and receive frames carrying sensing measurement reporting dependent information, utilizing trigger frames to manage the reporting process, including trigger frame types, user information, and sensing measurement report elements like CSI, TCIR, and extended types, to facilitate efficient data exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If WLAN sensing measurement reporting is implemented using existing communication methods, then sensing measurement data can be transmitted between devices, but the data transmission efficiency is insufficient and the message exchange process is complex
Solution Approach 1:
The patent combines the sensing measurement reporting message exchange with existing WLAN uplink/downlink communication procedures by integrating trigger frames and response frames into the standard WLAN protocol framework. This merging eliminates the need for separate dedicated sensing message protocols, thereby improving data transmission efficiency while reducing overall system complexity.
Solution Approach 2:
The trigger frame structure is designed to serve multiple functions: it can initiate uplink transmissions for general WLAN purposes while simultaneously carrying sensing measurement reporting information. This multi-functionality allows the same communication infrastructure to handle both traditional WLAN data transmission and sensing measurement reporting, improving efficiency without adding dedicated specialized channels.
2Reliability
If dedicated sensing measurement reporting protocols are implemented, then sensing data exchange can be optimized, but the device complexity and protocol overhead increase
Solution Approach 1:
The patent implements dynamic sensing measurement reporting where the reporting mechanism is activated only when needed through trigger frames. The reporting frequency and participation can be dynamically adjusted based on sensing conditions and network requirements, rather than using a static dedicated protocol that would always be active. This dynamic approach ensures reliable sensing data exchange while avoiding the constant overhead and complexity of dedicated protocols.
Solution Approach 2:
The trigger frame acts as an intermediary that mediates between the sensing measurement generation and the reporting process. It carries the necessary information to initiate and control sensing measurement reporting without requiring a separate dedicated protocol structure. This intermediary approach simplifies the overall protocol architecture while maintaining reliable sensing data exchange.
Data Source
AI summary
A communication method includes: transmitting and/or receiving, by a communication device, a frame carrying sensing measurement reporting dependent information.