Trigger Frame Padding for Synchronized Uplink Transmissions
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless local area networks (WLANs) face challenges in coordinating simultaneous uplink transmissions from multiple devices, as existing protocols do not effectively account for the varying time duration requirements of client stations to prepare for transmission, leading to inefficiencies and potential interference.
Innovation Solution
A method is introduced where a trigger frame is generated by a communication device to synchronize simultaneous uplink transmissions from multiple client devices, with a padding portion added to the trigger frame based on the specific time duration requirements of each device, ensuring they have sufficient time to prepare for transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a trigger frame is used to coordinate simultaneous uplink transmissions, then transmission synchronization is improved, but devices with varying preparation time requirements cannot all transmit simultaneously
Solution Approach 1:
The trigger frame includes a dynamic padding portion whose length is adjusted based on the maximum preparation time requirement among all client devices. This dynamic adjustment allows the system to adapt to different device capabilities while maintaining simultaneous transmission timing, resolving the contradiction between synchronization stability and adaptability to varying preparation times.
2Adaptability or versatility
If the trigger frame length is increased to accommodate devices with longer preparation time requirements, then all devices can prepare and transmit simultaneously, but transmission efficiency decreases due to longer frame duration
Solution Approach 1:
The padding portion length in the trigger frame is dynamically adjusted as a variable parameter based on the specific preparation time requirements of client devices. By changing this parameter to match the maximum needed preparation time, the system achieves simultaneous transmission capability while minimizing the frame duration and maintaining high transmission efficiency.
Data Source
AI summary
In a method for communicating in a wireless communication network a trigger frame is generated to trigger simultaneous uplink transmissions by multiple communication devices. The trigger frame includes a padding portion having a length determined based on respective time duration requirements of the multiple communication devices, the respective time duration requirements for preparing uplink transmission by the corresponding second communication devices. The trigger frame is transmitted to the multiple communication devices. The simultaneous uplink transmissions, triggered by the trigger frame, are received from the multiple communication devices.