Position Fixation TRIZ Cases

A speech processing system adjusts output audio gain based on detected user distance and environmental noise levels.

Cross-correlation processing identifies signal arrival times from two known speaker positions to measure microphone location without synchronization.

Microphone arrays detect sound reflections to estimate warehouse storage levels, replacing slow manual checks with automated acoustic analysis.

Interrogation signals authenticate UAVs to prevent spoofing and minimize RF congestion.

Bluetooth 5.1 devices use Angle of Arrival measurements to resolve directional detection limits and improve positional accuracy across distances.

Barometric pressure readings combined with ground reference elevations determine mobile device height, bypassing GNSS satellite availability constraints.

A dynamic mesh of vehicle-based UWB anchors determines absolute mobile device positions using fixed infrastructure nodes.

SLAM optimization fuses barometer and GPS data to resolve ±15 meter elevation errors in multi-story buildings.

A locating apparatus uses ultrasonic tones to determine signal strength and direction for precise device positioning.

Extracting GPS receivers from battery-constrained UWB tags into a central anchor reduces power consumption while maintaining global positioning precision.

Ultrasonic sensor arrays locate external sound sources via phase offsets, overcoming interference that limits traditional detection ranges.

A dynamic GeoFence tracks moving targets relative to a reference point using pseudorange measurements.

User equipment estimates time of arrivals and path strengths for radio signals to improve position accuracy.

An automated calibration method uses a movable measurement device carrying odometry sensors and radio tags to determine inaccessible anchor node locations.

Orthogonal polarization antenna feeds process signals through matched filter techniques to detect spread spectrum radars at low signal-to-noise ratios.

Using one RFID tag as a coordinate origin, the system calculates obstacle coordinates during traversal to build a map without requiring multiple tags.

Multi-source PNT data comparison identifies faulty inputs within defined tolerances to maintain accurate positioning, timing, and frequency outputs.

A light sensor system uses transceivers and receivers to calculate distance for vehicle positioning.

A correlative receiver system processes spectral correlation from multiple antennas to determine wireless emitter geolocations.

Iterative reference user equipment location updates reduce hardware group delays in differential round trip time positioning estimates.

A GPS-bias detection system corrects vehicle location data using statistical models from thousands of vehicles.

Calculates accurate node distances in complex networks by mapping coordinates into n-dimensional spaces, resolving precision and complexity trade-offs.

A position tracking system uses time difference of arrival measurements to calibrate relative receiver antenna positions automatically.

Signal propagation time parameters determine point coordinates and motion information, eliminating step detection errors in indoor environments.

User equipment selects position estimate hypotheses using distinct parameter values for line-of-sight signal conditions.

Estimating characteristic differences between wireless signals improves combined time of arrival estimation in dense urban environments.

A locating system uses initiators and transponders with different clock frequencies to calculate distance via time adjustments.

A vehicle-mounted tracking system uses accelerometer data to adjust communication frequency between a base transmitter and a portable device.

A directional antenna directs transmitted signal power using beamforming to establish secure communication links.

A navigation system models vehicle positions using a discrete state space Markov Decision Process to determine optimal control policies.

Segmenting coils into single-axis units reduces housing volume while maintaining accuracy, avoiding complex alignment and environmental interference.

Estimating the time of arrival via eigenvalue analysis of an autocorrelation matrix improves time resolution without requiring channel information.

A geocoder device associates latitude and longitude data with Metro Street Address Guide entries to create a validated location database.

Fitting acceleration data to a bimodal distribution determines motion direction, reducing dead-reckoning uncertainties without external signals.

A smart transporting unit uses sensors and GPS to detect products and transmit location data.

Combines radio and visual tracking modalities via neural network fusion to achieve 15 cm localization accuracy in GPS-denied environments.

Pairwise comparison and compensation corrects measurement biases in wireless nodes to enhance position determination accuracy.

Alternating transmit and receive modes correct obstructed signal contours to improve location accuracy in dense environments.

Aggregating mobile station measurements to update base station almanac data and derive spatially variable forward link calibration values.

A method benchmarks direct and indirect positioning accuracy to select the optimal technique for a mobile device.