Binary compression of channel measurements cuts memory and power use while preserving accurate on-device indoor localization.
Discrete delay scanning and step-function correlation improve clock phase resolution for precise synchronization and signal-source locating.
Delayed reference clock sampling and step-function correlation estimate sub-symbol phase differences with noise reduction for distributed sensors.
Phase-shifted alternating symbols and correlation refine coarse delay into sub-symbol link-path timing for better synchronization and source location.
Phase-shifted loopback correlation adds fine timing to coarse delay estimates, improving synchronization and source location.
Orthogonal code correlation cancels frequency drift, extending GNSS integration time for indoor acquisition with lower power and less hardware.
Joint TOA and amplitude estimation with SIC-SAGE improves ranging accuracy in multipath and NLOS conditions without full ML complexity.
Leading-edge correlation matching uses pre-peak samples to cut multipath interference and improve signal time-of-arrival accuracy.
Parallel prefilters and lock detectors validate phase, frequency, and code residuals so ultratight GPS/INS navigation uses the most reliable errors.
Orthogonal code correlation cancels frequency drift, enabling longer indoor GNSS integration with faster search and lower hardware demand.
A fast correlator extracts known coded patterns from weak wireless signals, improving sensor accuracy and response while limiting battery drain.
Timing shifts in periodic beacon bursts encode extra position data, improving coordinate resolution without changing standard message length.
Refined PRS measurement reports sent over successive L1/L2 opportunities improve positioning accuracy while limiting signaling overhead and latency.
By associating LTE CRS with NR PRS in shared spectrum, UEs can improve indoor and outdoor positioning coverage and accuracy.
Peer devices compare accumulated positioning error and use lower-error neighbors to correct dead reckoning when GPS is unreliable.
Corrects shallow-water location errors by combining distance, direction, and reflection-angle checks for underwater transmitter localization.
A ranging support protocol layer enables UE discovery, group control, and sidelink measurements to improve positioning in V2X and public safety use.
Reverse TDoA lets battery-powered anchors duty-cycle and avoid clock synchronization while still estimating asset tag position accurately.
UWB and BLE tracking paired with LED and audible cues helps users quickly find one tagged object among dense, similar stored items.
Combining Doppler measurements from multiple network nodes improves 3D UE motion estimation and helps identify rogue drones in wireless networks.
Uses non-GNSS satellite signals, residual orbit corrections, and refraction compensation to locate antenna terminals when GNSS is unavailable.
Dynamic integrity prediction lets positioning systems adjust algorithms and reference stations to match changing logistics scenarios and avoid faults.
Positioning measurements from TRPs are used to derive virtual UE locations from reflections, improving beamforming and interference management.
User location coordinates guide automatic optical transmitters to form isolated links, improving multi-user VLC quality while cutting power use.
Reporting PRS measurements with bandwidth part indications helps 5G location servers improve positioning accuracy while limiting latency and signaling overhead.
Joint processing of multi-sector channel data cuts report overhead and improves UE positioning accuracy near sector edges.
RSS-based physical layer checks authenticate low-power backscatter tags and help trace impersonation or replay attackers.
Orthogonal pseudo-random coil waveforms enable local magnetic positioning with accurate receiver localization where GPS is weak or vulnerable to spoofing.
Dynamic triggering criteria activate only needed neural network functions for UE positioning, improving accuracy while limiting power use.
Low-power BLE links let proximate GRL devices form authenticated collectives, sync clocks, and log secure location data for asset tracking.
Distance is estimated from packet arrival timing while the RFID tag harvests RF energy, reducing tag complexity, power use, and latency.
Using multiple synchronization signal blocks and positioning random access resources, terminals send more reference signals for higher accuracy and lower delay.
Shared XR image streams are reprojected on each device to match viewer position, cutting application instances and compute load at scale.
Direct terminal signaling activates or deactivates positioning signals in serving or neighboring cells to avoid delay and save radio resources.
Channel metrics and a mapping model help UEs request PRS configurations the network is more likely to accept, reducing retries and latency.
When expected 5G positioning signals are missing, virtual measurements fill the gaps to improve UE location accuracy and data completeness.
A network entity filters LOS and NLOS TRPs to choose a reference TRP, improving cooperative sensing and positioning accuracy.
Measures and reports baseband-to-antenna timing delays so wireless nodes can compensate positioning errors and improve location accuracy.
Precomputed visibility maps and coherence scoring filter NLOS-biased radio measurements to locate mobile nodes accurately with lower energy use.
A narrowband control channel paired with a wider ranging channel cuts UWB power use while preserving reliable measurement exchange.
Sensor data, smart collars, and adjustable pet fences verify restraint status and give delivery personnel safe unattended access.
Surface material and texture data guide switching between CSI, RSSI, and Doppler sensing modes to improve RF sensing accuracy and reliability.
Specular reflection geometry helps estimate a moving sound source's distance and direction even when reflective surface orientations are unknown.
Event-based collection during charging, Wi-Fi, motion, and location changes improves barometric calibration reliability with low power use.
Device history and post-location filtering refine raw 5G positioning data, reducing beacon-related errors and improving adjusted location accuracy.
Wireless message timing and residual checks detect moved access points, helping indoor location systems avoid position errors.
Timing Error Groups link uplink reference signals and measurements so the network can cancel Rx/Tx timing errors and improve UE positioning accuracy.
Combining TDOA positioning with DOA estimation resolves pulse radar ambiguity across multiple satellites for more accurate source location.
Simulated annealing and distance screening stabilize cooperative positioning when Taylor expansion is sensitive to initial values and sparse observations.
A shared narrowband and UWB frame cuts UWB overhead, lowers power use, and improves link budget for secure distance measurement.
A location management function synthesizes core network and radio access network estimates to track user equipment devices.
Ultra-wideband tags determine 3D positions through time-of-flight measurements to reconstruct skeletal topology for motion capture.
A maneuver prediction system analyzes surveillance signal power level changes to identify candidate vehicle movements.
Home evolved Node Bs determine location using device measurements, resolving positioning accuracy issues when the server lacks registration data.
A geo-location system selects position measurements with maximum pseudo-range residual values to determine uncertainty estimates for improved accuracy.
Identifies significant access points by detection frequency to reduce file size while maintaining positioning accuracy.
A receiver calculates pulse repetition frequency variation to determine relative radial velocity of a pulsed transmitter.
A positioning system calculates relative range and velocity using unsynchronized reference clocks to determine precise time offsets between devices.
Detects phase differences between radio signals received from multiple antennas to compute angles of departure or arrival for precise positioning.
A portable reference receiver computes differential corrections using its own position data.
Angle-based positioning determines user equipment location using arrival and departure signal measurements to resolve non-line-of-sight accuracy challenges.
A positioning method processes RF reference signals from base stations to calculate vehicle location using virtual transmitters.