Electronic Apparatus for Electromagnetic Noise Position Estimation
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Solution Overview
Problem
Existing communication systems face challenges in detecting and locating irregularly occurring electromagnetic noise, which can disrupt wireless device communication, especially in environments with devices like power generation equipment or lighting fixtures, due to factors like spark discharge or equipment deterioration.
Innovation Solution
An electronic apparatus with processing circuitry that estimates the position of electromagnetic noise based on propagation data and position information from communication between wireless devices, using statistics such as packet error rates and signal-to-noise ratios to identify noise occurrence points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless communication is performed in environments with power generation equipment or lighting fixtures, then communication coverage and connectivity are improved, but electromagnetic noise from spark discharge or equipment deterioration disrupts communication reliability
Solution Approach 1:
The system proactively estimates the positions of electromagnetic noise sources before they cause severe communication disruptions. By continuously monitoring propagation data and calculating noise positions in advance, the system can notify users of potential abnormalities before they lead to communication failures, thus maintaining reliability while preserving communication coverage.
Solution Approach 2:
The estimation apparatus acts as an intermediary between wireless devices and noise sources. It collects propagation data from multiple wireless devices, processes this information to estimate noise positions, and provides noise location information back to the system. This intermediary function allows the system to operate in challenging electromagnetic environments by identifying and compensating for noise interference.
2Measurement precision
If electromagnetic noise estimation is implemented using propagation data from multiple wireless devices, then noise position accuracy is improved, but system complexity and data processing requirements increase
Solution Approach 1:
The estimation apparatus divides the estimation process into distinct functional modules: a data acquisition unit that collects propagation data from multiple wireless devices, a statistics calculation unit that computes packet error rates and signal-to-noise ratios, and a position estimation unit that calculates noise positions based on these statistics. This segmentation allows complex multi-device data to be processed systematically, improving noise position accuracy while managing system complexity through modular design.
Solution Approach 2:
The estimation apparatus is designed to work with multiple types of wireless devices simultaneously, accepting propagation data from various sources and using universal statistical methods (packet error rate, signal-to-noise ratio) to estimate noise positions. This multi-functional approach allows the system to improve measurement precision through diverse data inputs without requiring device-specific complex processing for each type of wireless device.
3Difficulty of detecting and measuring
If continuous monitoring of propagation data is performed to detect electromagnetic noise, then noise detection capability is improved, but energy consumption and processing load increase
Solution Approach 1:
Instead of continuous monitoring, the system performs periodic estimation of electromagnetic noise positions at predetermined intervals. The estimation apparatus collects propagation data over a period, calculates statistics including packet error rates and signal-to-noise ratios, and then estimates noise positions. This periodic approach maintains adequate noise detection capability while significantly reducing energy consumption and processing load compared to continuous monitoring, as the system only performs intensive calculations at scheduled intervals rather than continuously.
Data Source
AI summary
According to one embodiment, an electronic apparatus includes a processing circuitry configured to estimate a position at which electromagnetic noise occurs based on propagation data in communication between a first wireless device located at a first position and second wireless devices located at second positions, and position information indicating the first position and the second positions.