This case compares received and reference pulse responses to identify NLOS propagation and improve UWB location accuracy.
Dynamic anchor activation enables sidelink PRS positioning outside network coverage while limiting energy use and latency.
Coverage analysis divides an area into cells and iteratively places the fewest stand-alone UWB anchors needed for accurate ranging.
Scheduled UWB advertising and ranging exchanges let mobile devices sleep between transmissions while reducing packet collisions.
Phase differences across OFDM carriers are reported to the LMF, making high-precision positioning compatible with NR signals.
Chirp filtering and FSK modulation help estimate round-trip delay within limited bandwidth while reducing terminal power use.
Motion artifacts in rolling-shutter eyewear images are handled with movement-responsive pose counts, preserving tracking accuracy while limiting processing.
Separating line-of-sight from additional paths lets radio nodes report path-specific carrier phase measurements for more precise positioning.
Network nodes detect and measure altimeter-band signals, then gate transmission by threshold to limit wireless communication interference.
Channel-based time reversal focuses RF energy through multipath paths, improving target localization in indoor and urban environments.
Rotating a UE across multiple orientations exposes inconsistent candidate PDOAs, allowing the true angle of arrival to be identified.
A highly overlapping beam layout uses layered SSB selection and UE position data to improve beam-edge RSRP and reduce interference.
See how UE measurement periods combine PRS processing windows and measurement gaps to balance positioning accuracy with latency.
Full coordinates need not accompany every report: a reference location plus relative updates cuts payload size while retaining location estimation.
Coordinating UE traces after transition to RRC inactive uses pilot strength and beam quality measurements for GNSS-free location support.
Associating positioning signals with target-signal paths helps aim beams along path directions, improving 5G measurement precision despite delays and obstacles.
Multiple beam formats let 5G NR UEs vary reported beams and quantization, balancing measurement precision with signaling overhead.
gNBs and network positioning functions enable passive UE localization without target-UE transmission, reducing power use and estimation latency.
User-set beacon intervals help tool trackers balance location accuracy and power consumption across operating conditions.
Community mobile devices relay a lost tracker's location through a cloud server when the user's phone is out of range, with zone-based operating modes.
IR-UWB anchors and vehicle tags use multilateration and mesh relays to track transit vehicles accurately where network infrastructure is unavailable.
Local classifiers at each radio anchor reject low-quality signals before forwarding data, improving position estimates and reducing traffic.
Multiple measurement frequencies let the UE adapt phase positioning to channel conditions while limiting configuration complexity.
Dynamic lower-layer signaling activates DL-PRS resources for individual UEs, reducing periodic network overhead while improving positioning accuracy and latency.
Use a portable device’s positioning data during user operations to locate an information device without adding GPS hardware.
Trigger information aligns wireless sensing measurements with actual signal transmission, reducing receiver power consumption and data-throughput interruptions.
Limited PRUs can starve AI/ML positioning models of training data; designated UEs supply reference signals for model updates.
Grouping network nodes into one PRACH preamble occasion helps idle or inactive UEs reduce power use and positioning delay.
When a credential holder looks through a peephole, UWB distance and SNR analysis helps keep the door locked unless approach intent is confirmed.
Preprocessed orbit, clock, and error corrections shorten RTK initialization while supporting a higher fix rate.
Wireless discovery provisioning supplies UWB infrastructure data to localizing sensors, supporting seamless integration and scalable multi-object tracking.
Absolute distance measurements avoid angle-resolution limits while staged calibration improves tracking-device position estimates.
Global fusion of ranging, angle, and GNSS measurements determines multiple device orientations and positions without slow manual work.
AOA and UWB fusion combines angle and distance signals to position a vehicle smart key with one anchor, reducing deployment complexity.
Location sensors flag theft or signal-jamming deviations and send distinguishing details to nearby law enforcement for faster recovery.
Base stations use antenna-array angle-of-arrival measurements instead of signal fingerprints to locate shelf labels as store layouts change.
Separate anchor and target positioning windows let a location server address GDOP while improving accuracy and avoiding continuous mobile-device operations.
Intelligent reflecting devices create additional line-of-sight paths, expanding positioning coverage while reducing reliance on base stations.
Network nodes combine uplink Doppler shifts from two antennas with distance measurements to estimate UE position, velocity, and frequency bias.
Configurable RRC periodicity reduces NTN UE positioning calculations and signaling while maintaining location data for network operations.
Preconfigured downlink and uplink reference signals let 5G UEs measure positioning in RRC idle or inactive states.
A moving antenna gathers tag data at multiple positions, while a learned model improves wireless-tag range determination when measurements are insufficient.
Typed SLPP parameters identify measurement, location, or assistance-data errors, helping devices correct sidelink positioning messages with less signaling overhead.
Known reflector locations turn reflected PRS paths into virtual anchors, improving UE position estimates despite complex 5G multipath propagation.
Relative wireless signals, known reference positions, and installation specifications enable accurate facility-device location estimates without repeated measurements.
Ambiguous PRS angle definitions can misalign UE and base-station beams; standardized values and boundaries improve position accuracy.
Ranging requests routed through a base station enable UE-to-UE relative positioning without complex direct communication links.
Radio propagation complexity can reduce UE location precision; digital twin models provide validated data for positioning assistance.
A calibration device measures reflections from known-location tags to improve positioning despite limited signal transmission.
Variable listener locations can distort tracking; onboard sensors and server feedback refine object positions across the space.