Radio Wave Direction/Deviation Determination Systems TRIZ Cases

A detection system analyzes WiFi signal strength changes to determine unmanned aerial vehicle trajectories and generate alerts.

Estimates antenna polarization ellipticity using phase shift and amplitude ratio measurements to classify electromagnetic wave types.

Analyzes OFDM pilot signal characteristics to determine mobile device locations within wireless networks.

A client device estimates its orientation by identifying the polarization of a received positioning reference signal.

Autocorrelation phase variance comparison determines complex sample stream bandwidth, reducing computational complexity in OFDM receivers.

A wireless communication device uses a multi-antenna front-end to determine signal directionality through spatial diversity processing.

Circular convolutional network resolves closely spaced objects by applying non-linear activation to processed antenna inputs.

A segmented code-phase correlator architecture processes signal vectors in discrete regions to enable parallel acquisition.

Spatial cross-correlation across multiple antenna elements improves speed estimation accuracy in noisy, nonisotropic scattering environments.

A beam scanning antenna directs radio waves using phase shifters to maintain high directivity.

An extendible arm device measures signal strength to identify optimal mounting locations.

Regular spatial sampling with interpolation reduces device complexity while maintaining measurement precision for direction of arrival estimation.

A first device calculates azimuth and elevation angles using measurement reports from a second device with multiple ultra-wideband transceivers.

Appliqué nodes detect RFID tag signals via smart antennas to estimate position.

Anchor nodes measure angular differences between beam directions to localize user equipment in non-line-of-sight environments.

A direction finder determines a quality criterion from eigenvalue distributions to assess emitter count evaluation reliability without additional measurements.

Fuses radar, optical, and AIS data to detect vessels in adverse weather.

A noncontact IC medium direction detecting apparatus uses signal level subtraction to determine existence direction.

Compensated directional sensors detect magnetic interference to prevent inaccurate readings and ensure safe transmission zones.

Electronic beam steering eliminates mechanical antenna rotation, enabling accurate three-dimensional tracking of quasi-continuous signals.

Angle of arrival calculations resolve GPS blockage in urban environments by providing precise directional guidance to concealed personal mobility vehicles.

Virtual source localization enables zero-knowledge RSS prediction for mobile telerobots, resolving connectivity loss in dynamic environments.

Segmenting signals into discrete paths maximizes coherence through parallel correlation processing.

Coupled tensor decomposition preserves virtual domain correlation for high-precision direction of arrival estimation.

A wireless receiving system detects signal direction to select optimal antenna orientation.

Passive coherent location radar identifies targets using bistatic scattering features.

Reporting antenna orientation and beam patterns improves angle estimation accuracy without increasing real-time processing complexity.

Airborne radio direction finder detects subscriber azimuths to resolve insufficient location accuracy in satellite mobile systems.

Radio signal correlation measures optical path differences to stabilize geostationary satellite imaging resolution.

Switchable time delay elements steer antenna nulls to reject unwanted radar returns.

Combines UHF RFID detection with mm-wave beam steering to achieve 5 cm localization accuracy, overcoming the 33 cm wavelength limit of standard passive systems.

An RFID reader adjusts transmit power levels to isolate direct signals from multipath reflections.

A single moving receiver determines beacon location using time difference of arrival measurements and direct sequence spread spectrum signals.

A recursive phase vector subspace estimation method updates angle-of-arrival measurements to determine client device locations.

Adding a third antenna resolves phase ambiguity in monopulse radars, enabling unambiguous angle determination across wide fields of view.

Parallel utility channels detect spoofers at low SNR, enabling accurate geolocation while maintaining navigation reliability.

UAV array joint estimation of gain-phase error and direction of arrival resolves traditional algorithm inaccuracies caused by real-world device factors.

A method calculates confidence values for estimated parameters in wireless positioning systems.

Look-up table generation selects representative antenna patterns and applies slope-based compression algorithms to optimize data representation.

Identical directional antennas measure received power levels to calculate bearing angles via lookup tables.

A transponder generates a fresh signal with known phase relationships to enable accurate position determination in complex indoor settings.

A directional antenna array determines signal angle of arrival using precise time difference measurements across fixed elements.

A radar receiver extracts high-correlation signal components to generate a focused correlation matrix for direction estimation.

A non-contact IC medium communication device extracts identification information using separate read areas and signal level difference operations.

An artificial satellite performs beamforming using location data from a ground control center.

Rule-based processing eliminates manual input for flexible target selection in visual-constrained environments.

Rotating a directional antenna array resolves multipath interference and improves angle of arrival accuracy.

Nested dipole and loop antenna elements maintain electrical isolation to resolve poor wave vector resolution in electromagnetic vector sensors.