Position Fixation TRIZ Cases

Comparing measured radio signal flight times against pre-stored sampling time references corrects multipath errors for accurate indoor positioning.

Estimating access point locations using neighbor signal strength measurements to identify positioning errors on wireless maps.

Detect satellite shadows against bright celestial objects to determine position during daylight or planetary shadow conditions.

Combining radio communication identification with wave reflection detection resolves RSSI fingerprinting inaccuracies in changing indoor environments.

Combines inertial and strength measurements via weighted sums to reduce integration drift.

Phase difference measurements across multiple frequency channels enable precise object location in LPWA networks.

A position estimation device processes RF path length and angle data to determine initiator location.

Embedded floor wires induce currents in boot transmitters to track locations, avoiding the complexity and interference of optical or acoustic systems.

Cellular network integration replaces limited RF links to enable real-time drone data streaming and precise remote control operations.

A mobile device determines position by decoding identifiers from light-based communications.

A positioning calculation unit determines mobile station coordinates by prioritizing axes with the largest fixed station distances.

A mobile device adjusts search window modes to estimate reference signal time differences for multilateration.

A control device adjusts detection thresholds based on peak path signal time intervals to secure vehicle access systems.

Landmark devices measure network communication delays to determine target device location, resolving database inconsistency errors.

A hybrid positioning system merges WLAN and cellular data to refine location estimates.

A satellite positioning receiver derives distance data from selected carrier frequencies to resolve integer phase ambiguity.

Integrated sensor filtering of beacon signals reduces network congestion and conserves bandwidth while maintaining location accuracy.

Uses access point visibility to locate devices without GPS, avoiding hardware complexity for emergency calls.

Movable locators roam through environments to collect Wi-Fi signals, resolving dead spots and improving positioning accuracy without fixed infrastructure.

A hybrid system estimates device position using cellular timing advance and GPS data for accurate passive localization.

Machine learning algorithms process vehicle-captured imagery to identify and map electrical assets, reducing manual data collection time.

A transceiver channel state analyzer estimates line-of-sight conditions using phase measurements to classify signal paths.

User equipment reports local oscillator identifiers to enable bi-directional carrier phase positioning.

Acoustic location detection eliminates manual setup complexity by automatically determining relative device positions for optimized interlocking.

Transmitting positioning signaling via a user plane session avoids control plane detours, reducing latency in determining terminal device locations.

Randomizing short interframe spacing prevents responders from calculating precise timestamps, protecting WiFi requester location privacy.

A device estimates location by comparing detected wireless signals against a local database to determine position without external queries.

A positioning system uses phase information from multi-frequency wireless signals to determine location and time.

A navigation system determines magnetic heading using locally stored magnetic variation data and rate-of-change information.

Bluetooth LE beacons track movable hubs to update location maps, eliminating manual reconfiguration.

A security device generates unique radio frequency fingerprints from mobile devices to enable proactive tracking and unauthorized access alerts.

Corrects magnetic field distortion in tracking systems by blending inertial measurement unit constraints with uncorrected magnetic signals.

Weighting reference signals by intensity corrects time synchronization errors caused by noise interference, improving detection accuracy.

A mobile EMID reader portal uses antennas to receive tag signals and transmit data to access points.

A method corrects signal power values by interpolating zero count values in histograms to determine device location.

A virtual positioning reference logs known receiver positions with local time to enable self-localization using terrestrial radio signals.

A quasistatic magnetic field transmitter and receiver system calculates drift-free position, orientation, linear velocity, and angular acceleration via field coupling inversion.

A terminal device switches between positioning techniques based on proximity to a target location.

Segmenting the network into a master and slave architecture reduces system complexity while maintaining positioning accuracy through shared timing references.

A location inference system correlates user equipment sector transitions with historical data to estimate device position without GPS.

A terminal device measures distances from base stations to a host terminal and wireless tag for position specification.

A method adjusts position query intervals based on detected movement speed to reduce communication exchange.

A lane keeping assistance system fuses radar and satellite data for precise vehicle positioning.

Directional scanner detects RFID tag signals at multiple orientations to estimate device pose using peak signal strength data.

An RFID location tag integrates an accelerometer with signal strength calculations to determine precise indoor positions.

Sidelink ranging procedures using multiple positioning reference signal types enable accurate range estimation between user equipment devices.

A trigger unit coordinates mobile receiver units via a short-range network to generate synchronized light signals based on real-time position data.

Particle filter method updates weights using beacon distance values to minimize error accumulation from signal interference.

User equipment measures signal strength ratios between cell sets to resolve ambiguous mirrored location estimates from satellite cells.