Direction Finders Using Radio Waves TRIZ Cases
- Indoor Localization via Simultaneous RF Modeling
Simultaneous localization and RF modeling uses genetic algorithms to estimate positions from RSS measurements, eliminating pre-deployment mapping efforts.
- Vehicle Emergency Alert via Paired Mobile Station
A vehicle transceiver detects a paired cellular mobile station to route emergency alerts through the user's device.
- Synthetic Aperture Radiometer Visibility Function Calculation
A synthetic aperture interferometric radiometer calculates visibility functions using segmented reception chains and cross-correlation matrices.
- Bistatic Radar Detection Using Non-Cooperative FM Transmissions
Coherent integration of multiple FM channels increases dynamic range and distance resolution for passive detection.
- Matrix-Based Path-Loss Modeling Framework
A matrix-based framework structures electromagnetic propagation models using arbitrary coefficients for efficient computer implementation.
- Custom Vehicle Tone Sequences for Parking Lot Identification
Unique tone sequences resolve parking lot confusion by distinguishing specific vehicles without repeated button presses.
- Geographic Localization System Using Multi-Source Signal Fusion
A geographic localization system fuses WiFi, Bluetooth, and GPS signals to determine precise coordinates.
- Location Information Privacy Control via Rule-Based Interception
A privacy control system intercepts location data destined for applications and applies user-defined rules to generate amended information.
- Hybrid IEEE 802.15.4 UWB Locationing System
Segmented UWB transmitters paired with sparse receivers reduce power consumption while maintaining high locationing precision.
- Wireless Location Accuracy Estimation via Data Aggregation
Segmenting geographic regions and combining normalized call samples reduces empirical testing time while maintaining measurement precision.
- Aircraft Traffic Filtering for Cockpit Display Clutter Reduction
Filtering module selects relevant aircraft traffic to reduce cockpit display clutter and pilot workload.
- RF Triangulation for Missing Utility Meter Location
A mobile reader collects RF signal strength indicators and GPS coordinates to triangulate missing endpoint locations.
- Indoor Positioning via Wireless Beacon Database and Trilateration
Wireless beacons enable indoor positioning accuracy by associating physical coordinates with signal strength measurements.
- Mesh Node Location Tracking With Adaptive Multi-Technology Redundancy
An over-determined location system combines UWB, GPS, Wi-Fi, and BLE signals to preserve data integrity when single technologies face signal blockages.
- Multiband Transceiver Phase Difference Distance Measurement
A multiband transceiver calculates distance using phase differences between local oscillators.
- Continuous Waveform Geolocation via Frequency-Domain Analysis
Multi-platform sensors sample continuous waveforms and apply maximum likelihood estimation to determine emitter location.
- Satellite Navigation Circuit Exclusion Zone Compliance
A satellite navigation circuit blocks output signals when the device enters an exclusion zone or violates time restrictions.
- Mobile Station Position Estimation Using Cell Landmarks
A mobile station determines an initial position estimate using serving cell and landmark locations to refine signal processing.
- Medical Device Tracking via Periodic Signal Intervals
Periodic signal intervals enable hub listening for inactive medical devices.
- Centralized TDOA Transmitter Location via Link Delay Calibration
Calibrating communication link delays enables accurate transmitter geolocation without local processing hardware.
- UAV Relative Navigation for Aerial Refueling
A UAV relative navigation system calculates multiple solutions using GPS and INS data to position the aircraft for aerial refueling.
- Peer Selection in P2P Networks via Proximity
Prioritizing peers by proximity reduces network capacity consumption while maintaining user freedom to connect with distant endpoints.
- RF Tag Tracking Error Visualization and Receiver Sensitivity Analysis
Software plots locate symbols and error vectors on a tracking area graph to visualize receiver sensitivity for object tracking systems.