Wireless LAN Connection Control for Signal Quality Switching
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Solution Overview
Problem
Radio terminals connected to access points or relay apparatuses in wireless LAN environments cannot freely switch to a device with stronger radio wave signals, leading to suboptimal communication quality.
Innovation Solution
A radio communication apparatus with a first communication unit connected to radio terminals via wireless LAN, a second communication unit connected to another apparatus with a sensor, and a connection control unit that monitors and cancels connections with lower-quality radio wave conditions, allowing the radio terminal to switch to a device with better signal strength when a person approaches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a radio terminal is connected to an access point or relay apparatus, then the connection is stable, but the connection destination cannot be changed even when radio wave strength becomes weaker
Solution Approach 1:
The patent introduces dynamic connection management where the radio terminal actively monitors radio wave conditions and automatically switches connection destinations based on real-time signal quality. The connection state transitions from static to dynamic, allowing the system to adapt to changing radio environments while maintaining stability through automated reconnection to optimal access points or relay apparatuses.
2Area of stationary object
If a relay apparatus is introduced to improve radio environment, then coverage area is enlarged, but radio terminal cannot freely change connection to apparatus with stronger signal
Solution Approach 1:
The radio terminal performs self-service by autonomously monitoring radio wave conditions and automatically switching connection destinations without user intervention. The terminal evaluates signal strength from multiple access points and relay apparatuses, then independently decides and executes connection switching to optimize communication quality, making the system self-managing rather than requiring manual reconfiguration.
3Duration of action of stationary object
If connection is maintained with original access point, then connection continuity is ensured, but communication quality deteriorates when radio wave strength decreases
Solution Approach 1:
The patent implements a feedback mechanism where the radio terminal continuously monitors radio wave conditions and uses this information to make connection decisions. The terminal receives feedback about signal quality from the current connection and environmental conditions from nearby apparatuses, then adjusts its connection state accordingly. This closed-loop control ensures both connection continuity and communication quality by switching only when necessary.
Data Source
AI summary
A radio communication apparatus (10) according to the present disclosure includes: a communication unit (11) connected to at least one radio terminal (20) via wireless LAN; a communication unit (12) connected to a radio communication apparatus (30) including a sensor via wireless LAN and receiving a result of a detection in the sensor indicating that a person is approaching from the radio communication apparatus (30); a monitoring unit (13) for monitoring a radio wave condition between the communication unit (11) and the at least one radio terminal (22) to which the communication unit (11) is connected via wireless LAN; and a connection control unit (14) for canceling, when the result of the detection is received, wireless LAN connection with a radio terminal in which the radio wave condition is lower than a predetermined quality.