Isco International, Inc.

Illinois Superconductor Corporation, Inc.

Amr Abdelmonem

Mikhail T Galeev

Sean S Cordone

Krishna Komoravolu

Jorge Seoane

Zhigang Wang

Dariusz Seskiewicz

Gordon Reichard, Jr

Bill Myers

Anthony Teillet

Igor Goodman

Pablo Tacconi

Guenadi Miliavski

Richard Loy Smith, Jr

David Edward Urbasic

Richard David Peacock

Andre F A Fournier

Howard Wong

Ted Myers

William A Myers

Stephen K Remillard

Nauman Zia

Mostafa A Beik

H Clark Bell

John Logeman

Scott C Bundy

Jonathan Raymond Scupin

Michael W Cromar

Leo Nadel

Andre Fa Fournier

Gordon Reichard Jr

Jr Gordon Reichard

Aspects of the subject disclosure may include, for example, receiving, by a double trombone shifter device, signals relating to one or more crossed-dipole radiating elements of an antenna system, performing, by the double trombone shifter device, polarization rotation of the signals to derive output signals having polarizations that are rotated in a manner that results in a virtual physical rotation of the one or more crossed-dipole radiating elements, and providing, by the double trombone shifter device, the output signals to enable avoidance of interference. Other embodiments are disclosed.

Dual shifter devices and systems for polarization rotation to mitigate interference

Aspects of the subject disclosure may include, for example, polarization adaptation in panel MIMO antennas to improve isolation between downlink beams so as to reduce or minimize beam interference, which improves antenna performance and/or reduces antenna size requirements. Other embodiments are disclosed.

Method and system for improving multiple-input-multiple-output (MIMO) beam isolation via alternating polarization

A system that incorporates aspects of the subject disclosure may perform operations including, for example, receiving, via an antenna, a signal generated by a communication device, detecting an interference in the signal, the interference generated by one or more transmitters unassociated with the communication device, and the interference determined from signal characteristics associated with a signaling protocol used by the one or more transmitters, and performing signal conditioning on the signal to reduce the interference. Other embodiments are disclosed.

Method and apparatus for performing signal conditioning to mitigate interference detected in a communication system

Aspects of the subject disclosure may include, for example, a polarization shifter including a lower substrate having disposed thereon first and second transmission lines for coupling to a feed network, an upper substrate having disposed thereon third and fourth transmission lines for respective communicative coupling to orthogonally-polarized elements of a radiating element, and a dielectric layer residing between the lower substrate and the upper substrate, the upper substrate being configured to mechanically couple to the radiating element, the dielectric layer coupling the first transmission line with the third transmission line and coupling the second transmission line with the fourth transmission line, the upper substrate being rotatable relative to the lower substrate to effect polarization adjusting for the radiating element to facilitate avoidance of interference or passive intermodulation (PIM). Other embodiments are disclosed.

Polarization shifting devices and systems for interference mitigation

Aspects of the subject disclosure may include, for example, detecting, by a monitoring system associated with a communication system, signals received at an array of orthogonally-polarized radiating elements of an antenna, causing, via a motorized drive assembly, the array of orthogonally-polarized radiating elements to sequentially rotate to a plurality of positions, obtaining, by a control system from the monitoring system and for each of the plurality of positions, data relating to signals from the array of orthogonally-polarized radiating elements, based on the data, determining, by the control system, an optimal position of the plurality of positions for the array of orthogonally-polarized radiating elements at which an impact of passive intermodulation (PIM) on the communications system is minimized, and controlling, by the control system, the motorized drive assembly to cause the array of orthogonally-polarized radiating elements to occupy the optimal position. Other embodiments are disclosed.

Method and system for detecting interference and controlling polarization shifting to mitigate the interference

Aspects of the subject disclosure may include, for example, forming one or more downlink (DL) beams associated with subarrays of an antenna, performing signal transmissions using the one or more DL beams, and performing polarization adjusting for signals associated with the one or more DL beams such that each of the signals is oriented in a particular polarization, thereby improving signal reception by user equipment (UEs) associated with the one or more DL beams. Other embodiments are disclosed.

Method and system for polarization adaptation to reduce propagation loss for a multiple-input-multiple-output (MIMO) antenna

Aspects of the subject disclosure may include, for example, receiving, via an antenna, a communication signal generated by a communication device, and detecting interference in the communication signal, wherein the interference is generated by one or more interference sources, wherein the interference is detected by monitoring a near field region of the antenna, an intermediate field region of the antenna, a far field region of the antenna, or any combinations thereof, wherein the monitoring excludes monitoring only the far field region of the antenna. Other embodiments are disclosed.

Method and system for mitigating interference in the near field

Aspects of the subject disclosure may include, for example, identifying one or more radiating elements of an antenna system that are to be adjusted based on interference determined to affect an operation of the antenna system, and altering one or more properties of the one or more radiating elements to effect polarization adjusting such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Method and system for addressing interference by configuring or adapting antenna structures

A system that incorporates the subject disclosure may perform, for example, a method for receiving interference information from each of the plurality of communication devices detecting interference information in a plurality of segments of a radio frequency spectrum, correlating the interference information of the plurality of communication devices to generate correlated information, and identifying a plurality of interferers according to the correlated information. Other embodiments are disclosed.

Method and apparatus for collecting and processing interference information

Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing phase adjusting for one or more radiating elements of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Method and system for mitigating interference by displacing antenna structures

Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing polarization adjusting for one or more orthogonally-polarized element pairs of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Method and system for polarization adjusting of orthogonally-polarized element pairs

A system that incorporates aspects of the subject disclosure may perform operations including, for example, receiving an uplink signal generated by a communication device; generating an estimation of one or more downlink signals generated by one or more transmitters; detecting a passive intermodulation interference in the uplink signal, wherein the passive intermodulation interference is caused by the one or more transmitters, wherein the passive intermodulation interference is detected by the circuit based on a comparison of characteristics of the uplink signal with the estimation of the one or more downlink signals generated by the one or more transmitters, and wherein the one or more transmitters are unassociated with the communication device generating the uplink signal; and performing signal conditioning on the uplink signal to reduce the passive intermodulation interference. Other embodiments are disclosed.

Method and apparatus for detecting and mitigating passive intermodulation interference in a communication system

Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing polarization adjusting by rotating one or more radiating elements of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Method and system for mitigating interference by rotating antenna structures

A system that incorporates aspects of the subject disclosure may perform operations including, for example, monitoring performance parameters in a communications network, identifying a degradation in performance of one or more nodes of the communications network according the monitored performance parameters, and initiating corrective action to mitigate the degradation in performance of the one or more nodes of the communications network. Other embodiments are disclosed.

Growing community of inventors

Northbrook, IL, United States of America

Amr Abdelmonem