Terahertz Sensing for High-Accuracy User Positioning
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Solution Overview
Problem
Existing information processing systems struggle to determine the position of a user with high accuracy, particularly in scenarios where finer accuracy than road-width is required, such as dispatch services, and GPS devices may not provide adequate precision.
Innovation Solution
An information processing system comprising multiple moving objects equipped with communication devices capable of using terahertz waves for sensing, and an information processing device that transmits sensing requests, receives sensing results, and notifies other moving objects about the user's position when detected.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If GPS devices are used for position determination, then the system is simple and easy to operate, but the position accuracy is insufficient for fine-grained applications
Solution Approach 1:
The patent combines multiple sensing technologies (terahertz wave sensing, camera imaging, radar detection) into an integrated sensing system. The information processing device aggregates data from multiple moving objects equipped with different sensing modalities to achieve high-precision position determination that exceeds GPS accuracy while managing system complexity through centralized processing.
Solution Approach 2:
The information processing device performs multiple functions: it processes sensing data from various sources (terahertz waves, cameras, radar), determines positions of multiple objects simultaneously, identifies users among detected objects, and provides position information to appropriate moving objects. This multi-functionality consolidates what would otherwise require separate specialized systems.
2Measurement precision
If terahertz wave sensing is implemented in multiple moving objects, then position determination accuracy is improved, but communication and processing overhead increases
Solution Approach 1:
The patent extracts the complex sensing and processing functions from individual moving objects and centralizes them in a dedicated information processing device. Each moving object performs only simple sensing and transmits raw data, while the information processing device handles the computationally intensive tasks of data fusion, position calculation, and user identification. This extraction of complex functions improves processing efficiency while maintaining high position accuracy.
3Reliability
If sensing data is collected from multiple moving objects, then the reliability of position determination is improved, but the quantity of data to be processed increases
Solution Approach 1:
The information processing device performs preliminary filtering and preprocessing of sensing data before full analysis. It initially processes data from multiple moving objects to identify potential targets, then focuses computational resources on refining position estimates for identified users. This preliminary action reduces the volume of data requiring intensive processing while maintaining detection reliability through multi-source validation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the determination of a user's position with high accuracy, allowing for effective services such as vehicle dispatch to the user's location, while minimizing processing and communication overhead.
Implementation Method 1
Sensing by the first moving object is sensing using the terahertz wave by the communication device
Data Source
AI summary
An information processing system including a plurality of moving objects and an information processing device, wherein the plurality of moving objects include a communication device capable of communication using terahertz waves, and the information processing device includes a control unit configured to transmit a sensing request to a first moving object, receive a sensing result including a detection position of a detection object from the first moving object, and notify a second moving object of information related to the position of the predetermined user when the sensing result is a result of detecting a predetermined user, wherein the sensing by the first moving object is sensing using terahertz waves by the transmission and reception apparatus.