Anticipatory Reconnection for Wireless Access Points
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Solution Overview
Problem
In wireless telecommunications networks, mobile stations often experience a significant drop in communication quality when switching between access points, known as intercell transfers or handovers, due to the complexity of environmental interference, making it difficult to predict and manage Wi-Fi physical connections effectively.
Innovation Solution
A method and device that model the physical bit rate between an access point and a mobile station based on signal reception power measurements, allowing for anticipatory reconnection to another access point to minimize communication quality drops. This involves calculating physical bit rates, determining coverage levels, and predicting future signal strength to initiate reconnections proactively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If intercell transfers are made when mobile station leaves coverage area, then connection continuity is maintained, but communication quality drops significantly
Solution Approach 1:
The system performs preliminary actions by anticipating future reconnection needs before they occur. It models physical bit rates and predicts future signal conditions, allowing the mobile station to prepare for handover in advance, thereby avoiding sudden quality drops when reconnection occurs.
Solution Approach 2:
The system dynamically adapts the handover decision process by continuously modeling physical bit rates and predicting future conditions. Instead of using static thresholds, it adjusts reconnection timing based on predicted signal evolution, transforming a static handover protocol into a dynamic, predictive system.
2Speed
If reconnection is made based on current signal measurements, then response time is short, but prediction accuracy of future signal strength is poor
Solution Approach 1:
The system performs preliminary modeling of physical bit rates based on current measurements, creating predictive models in advance. This allows it to forecast future signal conditions without waiting for actual degradation, combining early preparation with accurate prediction.
Solution Approach 2:
The system uses feedback from current signal measurements to continuously refine its predictive models. By monitoring physical bit rates and signal strength variations, it adjusts its predictions of future conditions, creating a closed-loop system that improves accuracy over time.
3Device complexity
If handover decisions are made reactively, then system complexity is low, but communication quality degradation occurs
Solution Approach 1:
The system implements preliminary modeling and prediction mechanisms that anticipate handover needs before signal degradation occurs. By preparing reconnection strategies in advance based on modeled physical bit rates, it proactively prevents quality degradation rather than reacting after problems arise.
Solution Approach 2:
The system changes the decision-making parameter from reactive signal threshold monitoring to predictive physical bit rate modeling. By using modeled future bit rates as the basis for handover decisions, it transforms the control parameter to one that inherently accounts for future signal conditions.
Data Source
AI summary
A method and a device for anticipating a reconnection, to a second access point, of a mobile station connected to a first access point that forms a wireless telecommunication network. The physical bit rate between the first access point and mobile station with respect to a reception power of a signal sent by a mobile station and received by the first access point from measurements of reception power of signals sent by the mobile station and received by the first access point, calculates physical bit rates between access points and mobile station. A rate of variation of the physical bit rates between access points and mobile stations from measurements obtained and from the modelling, an anticipation of physical bit rate between access points and the mobile stations and determines whether a reconnection of the station to the second access point must be made among other things from the calculated anticipations.