Direction Finders Using Radio Waves TRIZ Cases
- Wireless Network Data Interpolation and Integration
A data management system encodes configuration parameters and measures signal strength to predict network performance across diverse vendor tools.
- Mobile Terminal Indoor-Outdoor Positioning via Direction-Finding Signals
Multiple-antenna nodes analyze direction-finding signals to detect location relationship changes, resolving GNSS obstruction errors in urban environments.
- Ground Transmitter Self-Surveying via Wideband Code Modulation
Ground transmitters determine relative positions using wideband code modulation ranging signals with chipping rates exceeding 30 MHz.
- Hierarchical Target Selection for Vehicle Countermeasure Systems
A hierarchical target selection module processes object detection signals to identify primary targets for vehicle countermeasures.
- Mobile Subscriber Position Estimation Using Terrestrial Base Station Signals
A mobile subscriber estimates position by combining satellite and terrestrial base station signal time of arrival data.
- Station Operation Mode Control via Distance Threshold
A station operation mode control system determines active or idle states by comparing measured distance against a threshold.
- 2D Web Trilateration via Network Latency
A 2D web trilateration system locates devices using satellite server latency.
- Effects Automation System for Real-Time Performer Tracking
Automated effects system tracks mobile target position using wireless tags and stationary receivers to generate real-time control data.
- TCAS IRU Bearing Fusion for Azimuth Precision
Processor fuses TCAS and IRU data streams to reduce azimuth RMS error below 1 degree.
- Wireless Location Compensation Using Device Orientation and Accelerometer Data
Dynamic compensation adjusts signal strength measurements via accelerometer and compass feedback to reduce location error caused by noise and fading effects.
- Probabilistic Location Prediction for Mobile Station Handoff Latency
A server calculates motion vectors to predict mobile station locations within a wireless network.
- Femtocell Calibration for Timing-Based Location Accuracy
A femtocell calibration method calculates reference time differences from unsynchronized macrocell signals, resolving location errors of up to 500 meters.
- Location Determination Using Environmental Parameter Correlation
Mobile device senses environmental parameters to build a correlation matrix, resolving limited GPS accessibility in urban areas.
- Decentralized Geolocation Using Orbit Intersection
A decentralized geolocation method locates communicating objects by calculating the intersection of distance-based orbits among reference nodes.
- Hybrid GPS and TPS Navigation System for Signal Denial
A hybrid navigation system merges Global Positioning System data with Theater Positioning System signals to maintain continuous positioning capability.
- Aircraft Positioning via 1090 MHz Ground Station Triangulation
Ground station triangulation calculates aircraft position to eliminate GPS jamming vulnerability.
- Active Player Tracking Using UWB Triangulation
Multiple receiver groups and transmitter tags enable accurate position estimation despite signal blockage and multipath reflections.
- Mobile Device Geolocation Using Periodic GPS and Inertial Drift Correction
A mobile device location component combines inertial navigation with periodic reference fixes to determine position.
- Partial Radio Maps for GNSS-Denied Offline Positioning
Segmented radio maps store only data for areas lacking satellite signals, enabling mobile devices to perform offline positioning without downloading unnecessary coverage.
- Outdoor Object Location System Using Time-of-Flight Monitoring
Distributed monitoring units calculate object location via signal transmission duration, overcoming satellite signal loss in outdoor environments.
- Compact Microwave Imaging Receiver Architecture
A compact microwave imaging receiver architecture uses SPDT switches and phase splitters for balanced signal processing.
- Mobile Node Network Localization Training
A mobile node traverses predetermined paths to collect signal measurements, resolving distance estimation inaccuracies caused by environmental factors.