Wireless Channel Field Intensity Estimation via Segmented Detection
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Solution Overview
Problem
Current wireless communication systems require significant time and power to detect field intensities across multiple channels, making the channel selection process inefficient and power-consuming.
Innovation Solution
The system detects field intensities of predetermined channels and estimates the intensities of undetected channels using mean, higher, or ratio-based estimation processes, reducing the need to scan all channels and thereby minimizing detection time and power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If field intensity detection is performed on all wireless channels at regular scan intervals, then complete channel verification is achieved, but detection time and power consumption increase significantly
Solution Approach 1:
The patent segments the set of all wireless channels into two subsets: detection target channels (selected for actual field intensity measurement) and undetected channels (where estimation is performed). This segmentation allows the system to perform complete channel verification while reducing detection time by only physically measuring a subset of channels.
Solution Approach 2:
The patent introduces an estimation process as an intermediary method to infer field intensity values for undetected channels based on measurements from detection target channels. This intermediary approach allows the system to obtain complete channel information without performing physical detection on all channels, thereby reducing detection time while maintaining verification reliability.
2Reliability
If field intensity detection is performed on all wireless channels at regular scan intervals, then complete channel verification is achieved, but power consumption increases
Solution Approach 1:
The patent segments the channel detection process into actual detection operations on target channels and estimation operations for remaining channels. This segmentation reduces power consumption by performing energy-intensive field intensity measurements only on a subset of channels while using computational estimation for the rest.
Solution Approach 2:
The patent applies partial action by performing field intensity detection on only a portion (target channels) of the complete channel set, rather than all channels. The estimation process supplements this partial detection to provide complete verification information, thereby reducing overall power consumption while maintaining reliability.
3Ease of operation
If detection target channels are selected randomly, then channel selection is simple, but estimation accuracy deteriorates
Solution Approach 1:
The patent applies local quality by making the detection target channel selection non-uniform and adaptive rather than random or uniform. Channels are selected as detection targets based on their local characteristics and importance, with some channels having higher selection probabilities than others. This ensures that estimation accuracy is maintained for channels that are more critical or have greater variability.
4Measurement precision
If detection target channels are selected based on higher selection probability, then estimation accuracy is maintained, but selection complexity increases
Solution Approach 1:
The patent uses parameter changes by adjusting the selection probability of detection target channels based on channel characteristics such as bandwidth, interference levels, and historical performance. This parameter-based selection approach maintains estimation accuracy while managing selection complexity through systematic criteria rather than exhaustive analysis.
Data Source
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AI summary
A wireless communication device includes a communication unit (14a, 14b), a detection unit (15), and a control unit (10). The communication unit (14a, 14b) communicates with another wireless communication device by use of a wireless channel selected from wireless channels. The detection unit (15) detects field intensities of first wireless channels. The control unit (10) calculates a field intensity of a second wireless channel based on the field intensities of the first wireless channels, wherein the first wireless channels do not include the second wireless channel.