Wireless LAN Access Point Dynamic Speed Limiting
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Solution Overview
Problem
Current wireless LAN systems face issues where communication speeds vary among mobile units connected to a single access point, leading to unsatisfactory communication for some units due to limited bandwidth, and existing solutions cannot dynamically adjust communication-speed upper limits based on the number of mobile units or environmental changes.
Innovation Solution
The system dynamically sets a common communication-speed upper limit for each mobile unit based on the number of units connected, performing a shaping operation when the number exceeds a preset threshold to ensure equitable communication, and avoids unnecessary load by not applying the limit when fewer units are present.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed communication-speed upper limit is set in advance for a large number of mobile units, then equitable communication is achieved when many units are connected, but communication speed becomes unnecessarily limited when few units are connected
Solution Approach 1:
The communication-speed upper limit is changed from a fixed predetermined value to a dynamically adjustable value that changes based on the number of connected mobile units. The base unit automatically adjusts the limit according to actual connection status, ensuring equitable communication when many units are connected while allowing higher speeds when few units are connected.
Solution Approach 2:
The communication-speed upper limit parameter is modified based on the number of connected mobile units. When the number of connected units exceeds a threshold, the limit is set to ensure equitable distribution; when the number is below the threshold, the limit is increased or removed to maximize communication speed.
2Reliability
If communication-speed upper limit setting is always performed, then equitable communication is ensured for large numbers of units, but unnecessary load is imposed on the access point for small numbers of units
Solution Approach 1:
The shaping operation parameter is activated or deactivated based on the number of connected mobile units. When the connection number exceeds a predetermined threshold, the shaping operation is executed to ensure equitable communication; when the connection number is below the threshold, the shaping operation is skipped to reduce processing load.
3Device complexity
If the communication-speed upper limit is fixed in advance, then system simplicity is maintained, but adaptability to varying numbers of connected units is poor
Solution Approach 1:
The communication-speed upper limit is transformed from a static fixed value to a dynamic value that automatically adapts to the number of connected mobile units. The base unit monitors connection status and adjusts the limit accordingly, providing adaptability while maintaining automated operation to preserve system simplicity.
Solution Approach 2:
The base unit automatically performs the communication-speed upper limit adjustment without requiring manual intervention or complex external control systems. The system self-regulates by monitoring the number of connected units and autonomously setting appropriate speed limits.
Data Source
AI summary
A wireless LAN access point is configured to perform a shaping operation to calculate and set an upper limit of communication speeds of belonging mobile units when the number of the belonging mobile units is equal to or more than a preset threshold. The wireless LAN access point is configured to extract a highest one or a lowest one of data transfer rates that are detected by analyzing header parts of communication packets to be exchanged respectively with the belonging mobile units as a shaping data-transfer rate. The wireless LAN access point is configured to calculate the upper limit of the communication speeds of the belonging mobile units on the basis of a correction factor that is arbitrarily set for converting the shaping data-transfer rate to an effective data-transfer rate, on the basis of the shaping data-transfer rate, and on the basis of the number of the belonging mobile units.