Patents by Inventor David Edwin Barker

David Edwin Barker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11197173
    Abstract: An antenna system may include a first phase shifting network to output a first set of component signals from a first component signal having a first frequency, a second phase shifting network to output a second set of component signals from a second component signal having a second frequency, the first frequency being less than the second, and an antenna array, the first phase shifting network to impart a first tilt angle for the first set of component signals, the second phase shifting network to impart a second tilt angle for the second set of component signals, and a single variable electrical tilt controller to control the first and second phase shifting networks and being configured to maintain a ratio between the first tilt angle and the second tilt angle, where the first tilt angle is greater than the second tilt angle, and where the ratio is less than one.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: December 7, 2021
    Assignee: Quintel Cayman Limited
    Inventors: David Edwin Barker, Peter Chun Teck Song
  • Patent number: 10931035
    Abstract: An antenna system may include a dual-polarized antenna element having a first dipole and a second dipole in a same lateral plane, the first dipole having a first and a second dipole arm, the second dipole comprising a third and a fourth dipole arm, the first dipole being co-located with the second dipole, and the first dipole having an orthogonal polarization to the second dipole. The antenna system may further include parasitic elements, each comprising at least two branches, the at least two branches including a first branch and a second branch oriented at an angle and forming an apex. A first branch of a first parasitic element may be positioned at a first coupling distance parallel to the first dipole arm of the first dipole, and a second branch may be positioned at a second coupling distance parallel to the third dipole arm of the second dipole.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: February 23, 2021
    Assignee: Quintel Cayman Limited
    Inventors: Peter Chun Teck Song, David Edwin Barker
  • Patent number: 10931032
    Abstract: An antenna system includes unit cells arranged as an array of unit cells, each unit cell including at least one dual-polarized antenna element for operation in a first radio frequency (RF) range, and least one configured as an expanded diamond antenna element with first and second pairs of co-polarized radiating elements, the first and second pairs of co-polarized radiating elements having orthogonal polarizations. The unit cell for the at least one expanded diamond antenna element may have rectangular bounds, where first and second radiating elements of the first pair of co-polarized radiating elements are disposed in first opposite corners across a first diagonal of the rectangular bounds and within the rectangular bounds, and where first and second radiating elements of the second pair of co-polarized radiating elements are disposed in second opposite corners of the four corners across a second diagonal of the rectangular bounds and within the rectangular bounds.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: February 23, 2021
    Assignee: Quintel Cayman Limited
    Inventors: Peter Chun Teck Song, David Edwin Barker, Karl Ni
  • Publication number: 20200344615
    Abstract: An antenna system may include a first phase shifting network to output a first set of component signals from a first component signal having a first frequency, a second phase shifting network to output a second set of component signals from a second component signal having a second frequency, the first frequency being less than the second, and an antenna array, the first phase shifting network to impart a first tilt angle for the first set of component signals, the second phase shifting network to impart a second tilt angle for the second set of component signals, and a single variable electrical tilt controller to control the first and second phase shifting networks and being configured to maintain a ratio between the first tilt angle and the second tilt angle, where the first tilt angle is greater than the second tilt angle, and where the ratio is less than one.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventors: David Edwin Barker, Peter Chun Teck Song
  • Patent number: 10735978
    Abstract: An antenna system may include a first phase shifting network to output a first set of component signals from a first component signal having a first frequency, a second phase shifting network to output a second set of component signals from a second component signal having a second frequency, the first frequency being less than the second, and an antenna array, the first phase shifting network to impart a first tilt angle for the first set of component signals, the second phase shifting network to impart a second tilt angle for the second set of component signals, and a single variable electrical tilt controller to control the first and second phase shifting networks and being configured to maintain a ratio between the first tilt angle and the second tilt angle, where the first tilt angle is greater than the second tilt angle, and where the ratio is less than one.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: August 4, 2020
    Assignee: Quintel Cayman Limited
    Inventors: David Edwin Barker, Peter Chun Teck Song
  • Patent number: 10651568
    Abstract: In one example, a base station system comprises a base station radio unit for at least a first operating frequency and a plurality of linear antenna arrays. Each linear antenna array may comprise a plurality of radiating antenna elements, and the plurality of linear antenna arrays may be disposed in a horizontal plane. In one example, at least one set of linear antenna arrays of the plurality of linear antenna arrays for a first operating frequency has an array separation distance of substantially 1.6+1.1n wavelengths apart for the first operating frequency, where n is an integer greater than or equal to zero. In addition, in one example, the plurality of linear antenna arrays includes at least one linear antenna array for a second operating frequency that is different from the first operating frequency.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: May 12, 2020
    Assignee: Quintel Cayman Limited
    Inventors: David Edwin Barker, Peter Chun Teck Song
  • Publication number: 20200044365
    Abstract: An antenna system may include a dual-polarized antenna element having a first dipole and a second dipole in a same lateral plane, the first dipole having a first and a second dipole arm, the second dipole comprising a third and a fourth dipole arm, the first dipole being co-located with the second dipole, and the first dipole having an orthogonal polarization to the second dipole. The antenna system may further include parasitic elements, each comprising at least two branches, the at least two branches including a first branch and a second branch oriented at an angle and forming an apex. A first branch of a first parasitic element may be positioned at a first coupling distance parallel to the first dipole arm of the first dipole, and a second branch may be positioned at a second coupling distance parallel to the third dipole arm of the second dipole.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Applicant: QUINTEL CAYMAN LIMITED
    Inventors: Peter Chun Teck Song, David Edwin Barker
  • Publication number: 20200044362
    Abstract: An antenna system includes unit cells arranged as an array of unit cells, each unit cell including at least one dual-polarized antenna element for operation in a first radio frequency (RF) range, and least one configured as an expanded diamond antenna element with first and second pairs of co-polarized radiating elements, the first and second pairs of co-polarized radiating elements having orthogonal polarizations. The unit cell for the at least one expanded diamond antenna element may have rectangular bounds, where first and second radiating elements of the first pair of co-polarized radiating elements are disposed in first opposite corners across a first diagonal of the rectangular bounds and within the rectangular bounds, and where first and second radiating elements of the second pair of co-polarized radiating elements are disposed in second opposite corners of the four corners across a second diagonal of the rectangular bounds and within the rectangular bounds.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Applicant: QUINTEL CAYMAN LIMITED
    Inventors: Peter Chun Teck Song, David Edwin Barker, Karl Ni
  • Publication number: 20190349783
    Abstract: An antenna system may include a first phase shifting network to output a first set of component signals from a first component signal having a first frequency, a second phase shifting network to output a second set of component signals from a second component signal having a second frequency, the first frequency being less than the second, and an antenna array, the first phase shifting network to impart a first tilt angle for the first set of component signals, the second phase shifting network to impart a second tilt angle for the second set of component signals, and a single variable electrical tilt controller to control the first and second phase shifting networks and being configured to maintain a ratio between the first tilt angle and the second tilt angle, where the first tilt angle is greater than the second tilt angle, and where the ratio is less than one.
    Type: Application
    Filed: May 10, 2019
    Publication date: November 14, 2019
    Inventors: David Edwin Barker, Peter Chun Teck Song
  • Patent number: 10454162
    Abstract: In one example, an antenna radome may have at least a first face that includes a plurality of surface features, where the plurality of surface features may include at least a first ridge and at least a first depression, and where the plurality of surface features may be oriented longitudinal along the antenna radome. In another example, an antenna radome may have at least a first face that includes a plurality of surface features, where the plurality of surface features may include at least a first ridge and at least a first depression, and where the plurality of surface features may be oriented transverse along the antenna radome.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: October 22, 2019
    Assignee: Quintel Cayman Limited
    Inventors: Byron Dean Proshold, Ching-Shun Yang, Peter Chun Teck Song, David Edwin Barker
  • Patent number: 10340583
    Abstract: In one example, the present disclosure provides a phased array antenna system with a first array of antenna elements and a first radio frequency beamforming network configured to split the power of a radio frequency signal for transmission into a first plurality of component signals comprising drive signals for the first array of antenna elements, the first radio frequency beamforming network further configured to combine a radio frequency signal for reception by the phased array antenna system from a second plurality of component signals from the first array of antenna elements, where a radio frequency power distribution of the first radio frequency beamforming network is arranged to provide a weighting of the first plurality and the second plurality of component signals processed via antenna elements towards one end of the first array.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: July 2, 2019
    Assignee: Quintel Cayman Limited
    Inventors: David Edwin Barker, Peter Chun Teck Song
  • Publication number: 20190115650
    Abstract: In one example, the present disclosure provides a phased array antenna system with a first array of antenna elements and a first radio frequency beamforming network configured to split the power of a radio frequency signal for transmission into a first plurality of component signals comprising drive signals for the first array of antenna elements, the first radio frequency beamforming network further configured to combine a radio frequency signal for reception by the phased array antenna system from a second plurality of component signals from the first array of antenna elements, where a radio frequency power distribution of the first radio frequency beamforming network is arranged to provide a weighting of the first plurality and the second plurality of component signals processed via antenna elements towards one end of the first array.
    Type: Application
    Filed: October 12, 2018
    Publication date: April 18, 2019
    Inventors: DAVID EDWIN BARKER, PETER CHUN TECK SONG
  • Publication number: 20190020124
    Abstract: In one example, the present disclosure provides a dual-polarized antenna array that includes at least one unit cell. The at least one unit cell includes at least one radiating element of a first polarization state and at least two radiating elements of a second polarization state. The second polarization state is orthogonal to the first polarization state. The at least two radiating elements of the second polarization state are displaced on a first side and a second side of the at least one radiating element of the first polarization state.
    Type: Application
    Filed: August 30, 2018
    Publication date: January 17, 2019
    Inventors: Peter Chun Teck Song, Lance Darren Bamford, David Sam Piazza, David Edwin Barker
  • Publication number: 20180287251
    Abstract: In one example, an antenna radome may have at least a first face that includes a plurality of surface features, where the plurality of surface features may include at least a first ridge and at least a first depression, and where the plurality of surface features may be oriented longitudinal along the antenna radome. In another example, an antenna radome may have at least a first face that includes a plurality of surface features, where the plurality of surface features may include at least a first ridge and at least a first depression, and where the plurality of surface features may be oriented transverse along the antenna radome.
    Type: Application
    Filed: May 18, 2018
    Publication date: October 4, 2018
    Inventors: Byron Dean Proshold, Ching-Shun Yang, Peter Chun Teck Song, David Edwin Barker
  • Patent number: 10069213
    Abstract: In one example, the present disclosure provides a dual-polarized antenna array that includes at least one unit cell. The at least one unit cell includes at least one radiating element of a first polarization state and at least two radiating elements of a second polarization state. The second polarization state is orthogonal to the first polarization state. The at least two radiating elements of the second polarization state are displaced on a first side and a second side of the at least one radiating element of the first polarization state.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: September 4, 2018
    Assignee: Quintel Technology Limited
    Inventors: Peter Chun Teck Song, Lance Darren Bamford, David Sam Piazza, David Edwin Barker
  • Patent number: 9979079
    Abstract: In one example, an antenna radome may have at least a first face that includes a plurality of surface features, where the plurality of surface features may include at least a first ridge and at least a first depression, and where the plurality of surface features may be oriented longitudinal along the antenna radome. In another example, an antenna radome may have at least a first face that includes a plurality of surface features, where the plurality of surface features may include at least a first ridge and at least a first depression, and where the plurality of surface features may be oriented transverse along the antenna radome.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: May 22, 2018
    Assignee: Quintel Technology Limited
    Inventors: Byron Dean Proshold, Ching-Shun Yang, Peter Chun Teck Song, David Edwin Barker
  • Patent number: 9960500
    Abstract: In one example, a device includes an antenna array having at least a first cross dipole antenna element having a first dipole and a second dipole orthogonal to the first dipole and at least a second cross dipole antenna element having a third dipole and a fourth dipole orthogonal to the third dipole. An orientation of the at least a second cross dipole antenna is offset 45 degrees with respect to the at least a first cross dipole antenna element. The at least a first cross dipole antenna element and the at least a second cross dipole antenna element are for transmitting and/or receiving signals at plus 45 degrees and minus 45 degrees slant polarizations.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: May 1, 2018
    Assignee: Quintel Technology Limited
    Inventors: Peter Chun Teck Song, David Edwin Barker
  • Publication number: 20180026379
    Abstract: In one example, a base station system comprises a base station radio unit for at least a first operating frequency and a plurality of linear antenna arrays. Each linear antenna array may comprise a plurality of radiating antenna elements, and the plurality of linear antenna arrays may be disposed in a horizontal plane. In one example, at least one set of linear antenna arrays of the plurality of linear antenna arrays for a first operating frequency has an array separation distance of substantially 1.6+1.1n wavelengths apart for the first operating frequency, where n is an integer greater than or equal to zero. In addition, in one example, the plurality of linear antenna arrays includes at least one linear antenna array for a second operating frequency that is different from the first operating frequency.
    Type: Application
    Filed: June 26, 2017
    Publication date: January 25, 2018
    Inventors: David Edwin Barker, Peter Chun Teck Song
  • Publication number: 20160261326
    Abstract: In one embodiment, the present disclosure provides a method and apparatus for spatially filtering inter-cell co-channel interference in the elevation plane, which in turn will improve network spectral efficiency.
    Type: Application
    Filed: May 16, 2016
    Publication date: September 8, 2016
    Inventors: David Edwin BARKER, David Sam PIAZZA
  • Patent number: 9438278
    Abstract: In one example, the present disclosure describes an antenna system with at least two linear antenna arrays, each having a plurality of antenna elements. Each array is designed to transmit and receive signals from different respective spectrum bands. The first antenna array and second antenna array are arranged to form one longer, combined linear array of antenna elements. In addition, at least one antenna element is shared between the first and second antenna arrays. In one example, the first antenna array is connected to a first RF distribution and phase-shifting network to distribute RF power and impart a phase profile across the first antenna array and the second antenna array is connected to a second RF distribution and phase-shifting network to distribute RF power and impart a phase profile across the second antenna array.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: September 6, 2016
    Assignee: Quintel Technology Limited
    Inventors: David Edwin Barker, Lance Darren Bamford, Peter Chun Teck Song, David Sam Piazza