Transmission Announcement Indication in WLAN Frames
Solution Overview
Problem
Current wireless local area network (WLAN) systems face challenges in increasing data rates without significantly affecting overhead, particularly in managing transmission announcements and ensuring efficient communication protocols.
Innovation Solution
The implementation of a transmission announcement indication system, where a first communication frame includes an indication of whether a second frame will follow, using various frame types such as RTS, CTS, QoS-null, and ACK frames, to manage medium access and data transmission efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If transmission announcement indications are added to communication frames, then medium access efficiency is improved, but frame overhead increases
Solution Approach 1:
The patent combines the transmission announcement indication with existing communication frames (RTS, CTS, QoS-null, ACK) by adding a single indication bit to these frame types. This merging approach allows the announcement function to be integrated into the existing frame structure rather than requiring separate announcement frames, thereby improving medium access efficiency while minimizing the increase in overhead.
2Speed
If data transmission speed is increased, then throughput is improved, but overhead management becomes more difficult
Solution Approach 1:
The transmission announcement indication provides preliminary information to the receiving station about upcoming frames. This allows the receiver to prepare in advance for the next transmission, enabling more efficient buffer management and reducing processing delays. The indication is provided beforehand in the current frame, allowing the system to handle higher data rates without proportionally increasing overhead management complexity.
Data Source
AI summary
Systems and methods for transmission announcement indication are disclosed. A transmission announcement indication is provided for use inside a communications frame addressed to a destination as an indication that another transmission for that same destination will follow.