Apparatus and method for beamforming to obtain voice and noise signals

KJ Bastyr, GT Davis, PA Ivanov, RS Oliveira… - US Patent …, 2019 - Google Patents
One method of operation includes beamforming a plurality of microphone outputs to obtain a
plurality of virtual micro phone audio channels. Each virtual microphone audio chan nel …

Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology

F Markhovsky, T Prevatt - US Patent 9,507,007, 2016 - Google Patents
An autonomous system with no Customer Network Invest ment is described, wherein the
system is configurable to operate on a band other than the LTE band. Such system allows …

Network architecture and methods for location services

F Markhovsky, T Prevatt, R Markhovsky… - US Patent …, 2020 - Google Patents
UE location determined by collecting and preprocessing signal data at a detector and
sending extracted data to a remote locate server. The detector buffers samples from signals …

Method and apparatus for generating reference signals for accurate time-difference of arrival estimation

CD Frank, SH Krishnamurthy, KA Stewart… - US Patent …, 2014 - Google Patents
(57) ABSTRACT A base station communicates a positioning reference signal (PRS) to
wireless communication devices over a downlink in a wireless communication system by …

Method and apparatus for reducing inter-cell interference in radio communication system

H Seo, H Kim, I Seo, B Kim, KIM Kijun, D Lee - US Patent 8,965,294, 2015 - Google Patents
(57) ABSTRACT A method and apparatus for reducing inter-cell interference in a radio
communication system are disclosed. A method for reducing inter-cell interference includes …

Network architecture and methods for location services

F Markhovsky, T Prevatt, R Markhovsky… - US Patent …, 2020 - Google Patents
A split architecture is disclosed for determining the location of a wireless device in a
heterogeneous wireless communications environment. A detector within the device or …

Method and apparatus for determining direction information for a wireless device

DR Smith - US Patent 9,549,290, 2017 - Google Patents
H0474/02(2009.01)(57) ABSTRACT H04. 736/00(2009.01) H04. 736/08(2009.01) A method
performed by an apparatus includes Scanning at GOIS 3/38(2006.01) least one of multiple …

Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology

F Markhovsky, T Prevatt - US Patent 9,699,607, 2017 - Google Patents
Methods for determining a LOB of one or more user equipment (UE) in a wireless system
employing Time Difference of Arrival (TDOA) is described. TDOA tech niques are based on …

Angle of arrival (AOA) positioning method and system for positional finding and tracking objects using reduced attenuation RF technology

T Prevatt - US Patent 9,813,867, 2017 - Google Patents
Systems and methods for determining user equipment (UE) locations within a wireless
network using reference signals of the wireless network are described. The disclosed …

Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology

F Markhovsky, T Prevatt - US Patent 9,955,301, 2018 - Google Patents
An autonomous system with no Customer Network Investment is described, wherein the
system is configurable to operate on in a band in addition to the LTE band. Such system …