Wireless Terminal Device Automated Communication Power Measurement
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Solution Overview
Problem
Existing wireless LAN evaluation technologies face challenges in measuring communication power without user intervention, particularly in environments where communication failures occur or radio wave interference is present, leading to delayed identification of issues and unsuitable site surveys for optimal signal strength.
Innovation Solution
A wireless terminal device equipped with a determiner to assess movement, a measurement controller to automatically measure communication power and transmit results to a predetermined destination, using indices like communication power, CRC error rate, and frame retransmission rate, allowing for efficient and timely evaluation of communication quality without user operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If automatic measurement of communication power is performed without user operation, then measurement convenience is improved, but communication failure occurs and measurement results cannot be transmitted
Solution Approach 1:
The system performs preliminary actions by storing measurement results locally in memory before transmission, and pre-configuring multiple transmission destinations. This ensures that even if communication fails during measurement, the data is preserved and can be transmitted later when communication is restored.
Solution Approach 2:
The system implements feedback mechanisms by monitoring communication status and automatically retrying transmissions. When communication failure is detected, the system notifies the administrator and attempts retransmission, ensuring reliable delivery of measurement results.
2Measurement precision
If measurement is performed continuously, then measurement precision is improved, but communication resources are wasted and interference detection becomes difficult
Solution Approach 1:
The system performs measurements periodically at predetermined intervals rather than continuously. This approach maintains adequate measurement precision for evaluating communication quality while significantly reducing communication resource consumption and allowing interference patterns to be detected between measurement cycles.
Solution Approach 2:
The system performs measurements at selective intervals that are sufficient to detect communication quality issues and interference, rather than exhaustive continuous measurement. This partial action approach achieves the necessary measurement precision while conserving resources.
3Measurement precision
If communication is stopped for measurement, then measurement accuracy is improved, but productivity decreases due to communication interruption
Solution Approach 1:
The system implements periodic brief interruptions for measurement at predetermined intervals, allowing accurate communication power measurements to be taken while minimizing overall disruption to communication productivity. The measurements are performed in short cycles rather than continuous interruption.
Solution Approach 2:
The system dynamically adjusts measurement timing and duration based on communication conditions, performing measurements during periods of lower activity or using brief time windows to minimize impact on productivity while still achieving accurate measurements.
4Stability of the object's composition
If measurement results are not transmitted during communication failure, then system stability is maintained, but response time increases and administrator awareness is delayed
Solution Approach 1:
The system performs preliminary storage of measurement results in local memory during communication failures, preserving data stability while preparing for future transmission. The system also pre-configures multiple transmission destinations and retry mechanisms to ensure eventual delivery.
Solution Approach 2:
The system implements feedback by notifying the administrator of communication failures and automatically retrying transmissions when communication is restored. This ensures that measurement results are eventually transmitted and the administrator is timely aware of the results without compromising system stability during failure periods.
Data Source
AI summary
A wireless terminal device performs a communication via the wireless LAN and also performs a communication via a wireless communication network different from the wireless LAN. The wireless terminal device is provided with a determiner for determining whether the device is moving or not, and a measurement controller for measuring a communication power of a communication radio wave transmitted from an access point of the wireless LAN in the position of the determination and for transmitting the information for allowing the operation administrator to specify the measured value of the communication power and the measurement position to the predetermined destination via the above described wireless communication network, triggered by a fact that the determiner determines that the wireless terminal device is not moving.