Position Fixation TRIZ Cases

Reference user equipment performs periodic position acquisition so non-reference devices calculate relative coordinates, reducing power consumption.

Selective TDOA measurement vectors improve localization accuracy by minimizing quadratic criteria against suboptimal Torrieri algorithm constraints.

A mobile device determines its location by transmitting acoustic signals and analyzing the resulting room response trace.

Grid-based location tracking applies the pigeonhole principle to reduce hardware and computational costs from quadratic to linear growth.

Tracking devices transmit location updates only when deviation from an extrapolated path exceeds a threshold.

Crowdsourced location fingerprinting maps device positions to edge infrastructure, identifying malicious users manipulating location data.

Automated calibration of absolute atmospheric pressure sensors using GNSS and motion data eliminates manual setup errors during altitude determination.

Non coplanar power coils in a three dimensional RF tag determine orientation and detect tampering by comparing spatial signatures over time.

A server configures mobile devices as video encoders by sending location-based push notifications to capture real-time footage.

A mobile reader analyzes timestamped tag reads to determine physical locations within a facility.

Cross-correlate IQ samples at multiple delays to refine time difference of arrival and calculate frequency difference of arrival for emitter location.

Wireless beacons link user devices to sort locations, eliminating manual scanning errors and improving tracking accuracy.

A wireless device transmits cellular impulses to generate ambient electromagnetic reflection profiles.

A gateway antenna adjusts lobe direction using ultra-wide band modules to determine terminal position information.

A dynamic instant messaging contact list sorts users by geographic proximity to a selected location using real-time GPS data.

Automated system replaces subjective manual marking with algorithmic processing of distinct moving states, resolving measurement precision trade-offs.

A positioning system uses a base station with multiple synchronized acoustic transmitters to determine underwater device location.

Simultaneous satellite signal processing during overlap periods resolves integer ambiguities for new stations, eliminating navigation interruptions.

A server calculates frequency differences of arrival using calibration messages to estimate terminal movement without base station synchronization.

Bluetooth Low Energy beacons attached to field devices enable mobile terminals to receive identifiers for location tracking within industrial plants.

A user equipment selects nearby devices using timing advance values to generate position information through device-to-device communication.

Combines proximity, radial basis function, and multilateration algorithms to resolve location errors caused by wireless signal multipath effects.

A mobile terminal estimation device uses inertial sensors to capture spatial orientation alongside radio signal strength for precise localization.

A signal processing system determines time differences using frequency domain phase evaluation.

An external positioning device transmits location signals that a wearable receiver analyzes to determine coordinates without on-board GPS hardware.

Server node validates wireless device position using signed serving cell identification to counter GNSS signal manipulation.

Pre-calculated error radii mapped to scaled geographic tiles resolve signal fluctuation inaccuracies in indoor Wi-Fi positioning systems.

A position estimation entity coordinates a user equipment pool to transmit sidelink sounding reference signals for location determination.

Deploying AI positioning models at access network devices improves measurement precision while reducing terminal energy consumption.