Computational complexity reduction of training wireless strength-based probabilistic models from big data

BJ Julian, E Le Grand, BP Williams - US Patent 9,591,454, 2017 - Google Patents
Disclosed are apparatus and methods for providing outputs; eg, location estimates, based
on signal strength measure ments. A computing device can receive a particular signal …

Calculating mean wireless signal strengths using a gaussian process approach incorporating predictive standard deviations

BJ Julian - US Patent 9,810,762, 2017 - Google Patents
Disclosed are apparatus and methods for providing outputs; eg, location estimates, based
on measurement bins (MBs) determined by a computing device. An MB can be associated …

Gaussian process-based approach for identifying correlation between wireless signals

BJ Julian, BP Williams, E Le Grand - US Patent 9,880,257, 2018 - Google Patents
Disclosed are apparatus and methods for providing outputs; eg, location estimates, based
on trained Gaussian processes modeling signals of wireless signal emitters. A computing …

Data driven evaluation and rejection of trained Gaussian process-based wireless mean and standard deviation models

BJ Julian, E Le Grand, BP Williams - US Patent 9,838,847, 2017 - Google Patents
Disclosed are apparatus and methods for providing outputs; eg, location estimates, based
on trained Gaussian processes. A computing device can determine trained Gaussian …

Self-supervised passive positioning using wireless data

I Karmanov, DHF Dijkman, FG ZANJANI… - US Patent …, 2024 - Google Patents
Disclosed are systems, methods, and non-transitory media for performing passive radio
frequency (RF) location detection operations. In some aspects, RF data, such as RF signals …

Machine learning techniques for precise position determination

C Jeongsik, VN Ekambaram, Y Choi - US Patent 11,887,007, 2024 - Google Patents
Abstract Systems, methods, computer program products, and apparatuses to determine, by a
neural network based on training data related to wireless signals exchanged by a device …

Estimating direction of arrival of electromagnetic energy using machine learning

D DePoy, T Newman, N West, T Roy… - US Patent App. 17 …, 2023 - Google Patents
The present disclosure includes methods and systems for automated techniques to estimate
the direction of arrival (DoA) of electromagnetic (EM) energy. In some implementations, the …

Floor level determination

JDJ Huang, D Tay - US Patent 9,936,342, 2018 - Google Patents
Methods, systems, and computer program product for determining a building floor level are
described. A mobile device can use wireless signal sources and location fingerprint data to …

Distribution and utilization of antenna information for location determination operations

SP Venkatraman, SM Sridhar, SM Das… - US Patent …, 2017 - Google Patents
Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-
readable media, and other implementations, including a method, performed at a processor …

Geolocation determination using deep machine learning

JM Shima - US Patent 10,271,179, 2019 - Google Patents
Methods and systems for locating a target radio frequency (RF) device within an area are
provided. In particular, a signal sent from a known transmitter while that transmitter is at a …