Patents by Inventor Kevin Hsi-Huai Wang

Kevin Hsi-Huai Wang 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: 12315986
    Abstract: An antenna module is described. The antenna module include a ground plane in a multilayer substrate. The antenna module also includes a mold on the multilayer substrate. The antenna module further includes a conductive wall separating a first portion of the mold from a second portion of the mold. The conductive wall is electrically coupled to the ground plane. A conformal shield may be placed on a surface of the second portion of the mold. The conformal shield is electrically coupled to the ground plane.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: May 27, 2025
    Assignee: QUALCOMM Incorporated
    Inventors: Seong Heon Jeong, Rajneesh Kumar, Mohammad Ali Tassoudji, Darryl Jessie, Gurkanwal Sahota, Kevin Hsi Huai Wang, Jeong Il Kim, Taesik Yang, Thomas Myers, Neil Burns, Julio Zegarra, Clinton James Wilber, Jordan Szabo
  • Publication number: 20250096996
    Abstract: A method of controlling a full duplex transceiver of a mobile wireless communication device includes: transmitting a transmit signal from a power amplifier of transmit circuitry of the full duplex transceiver, via a duplexer of the full duplex transceiver, to an antenna of the full duplex transceiver; receiving, via the antenna and the duplexer, a receive signal by receive circuitry of the full duplex transceiver; obtaining at least three voltage measurements from respective points between the power amplifier and the antenna; and providing at least one control signal, within the full duplex transceiver, based on the at least three voltage measurements.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 20, 2025
    Inventors: Maziar HEDAYATI, Chuan WANG, Hong-Ming LEE, Kevin Hsi-Huai WANG
  • Publication number: 20250096754
    Abstract: An apparatus for wireless communications includes a power amplifier, a low-noise amplifier, a power detector, and a transformer. The transformer includes a first inductor coupled to an output of the power amplifier, and a second inductor coupled to an antenna, wherein the second inductor is magnetically coupled with the first inductor. The transformer also includes a third inductor coupled to an input of the low-noise amplifier, wherein the third inductor is magnetically coupled with the second inductor. The transformer also includes a coupling inductor coupled to an input of the power detector, wherein the coupling inductor is magnetically coupled with at least one of the first inductor and the second inductor.
    Type: Application
    Filed: September 20, 2023
    Publication date: March 20, 2025
    Inventors: Chuan WANG, Kai ZHAN, Bon-Hyun KU, Hyejeong SONG, Li LIU, Kevin Hsi-Huai WANG, Muhammad HASSAN
  • Patent number: 12212082
    Abstract: An antenna system includes: a patch antenna element disposed at a first level of the antenna system; an energy coupler configured and coupled to the patch antenna element to transfer energy between the patch antenna element and a front-end circuit; a ground conductor disposed at a second level of the antenna system, the patch antenna element and the ground conductor being disposed a separation distance away from each other and bounding respective sides of a volume defined by a projection, normal to a surface of the patch antenna element, of the patch antenna element to the ground conductor; and a floating conductor that is displaced from the ground conductor and the patch antenna element, the floating conductor comprising a body extending over a portion of the separation distance outside of, and in close proximity to, the volume.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: January 28, 2025
    Assignee: QUALCOMM Incorporated
    Inventors: Mahmoud Niroo Jazi, Mohammad Ali Tassoudji, Taesik Yang, Jeongil Jay Kim, Darryl Sheldon Jessie, Kevin Hsi-Huai Wang, Jorge Fabrega Sanchez, Hong-Ming Lee
  • Publication number: 20250030442
    Abstract: A variable low intermediate frequency (VLIF), millimeter wave (mmW) communication system including a millimeter-wave (mmW) integrated circuit (mmw-IC) having a receive section having a receive radio frequency (RF) conversion stage and a receive variable intermediate frequency (IF) conversion stage, the receive RF conversion stage configured to convert a receive communication signal between RF and a first receive IF; the receive variable IF conversion stage configured to convert the first receive IF signal to a first variable low IF signal, and a transmit section having a transmit variable IF conversion stage and a transmit RF conversion stage, the transmit variable IF conversion stage configured to convert a second variable low IF signal to a second IF signal, the transmit RF conversion stage configured to convert the second IF signal to an RF signal for transmission.
    Type: Application
    Filed: July 17, 2023
    Publication date: January 23, 2025
    Inventors: Abdellatif BELLAOUAR, Kevin Hsi-Huai WANG, Gurkanwal Singh SAHOTA, Rajagopalan RANGARAJAN
  • Publication number: 20240429906
    Abstract: A phase shifter for a millimeter wave (mmW) communication system including an in phase variable gain amplifier (I VGA) and a quadrature VGA (Q VGA) configured to receive radio frequency (RF) signals, the I VGA and the Q VGA configured to provide a selectable output to primary sides of first and second electromagnetic (EM) elements, respectively, the first EM element configured to provide a single-ended I output and the second EM element configured to provide a single-ended Q output, and a hybrid quadrature generator (HQG) configured to receive the single-ended I output of the first EM element and the single-ended Q output of the second EM element, the HQG configured to provide a combined signal at a desired phase.
    Type: Application
    Filed: June 23, 2023
    Publication date: December 26, 2024
    Inventors: Abdellatif BELLAOUAR, Chirag Dipak PATEL, Kevin Hsi-Huai WANG, Rajagopalan RANGARAJAN, Gurkanwal Singh SAHOTA, Arul BALASUBRAMANIYAN
  • Publication number: 20240396205
    Abstract: A method of transducing signals includes: transducing first signals, of frequencies above at least 24 GHz, between first wireless signals and first guided signals, using a plurality of first antenna elements comprising at least one first substrate and at least one ground conductor; and transducing second signals, of frequencies within at least a portion of a frequency range between 8 GHz and 24 GHz, between second wireless signals and second guided signals, using at least one second antenna element each comprising a transducer disposed on a second substrate that at least partially overlaps an active component set and the at least one first substrate, or disposed on at least one of the at least one first substrate, the active component set being configured to provide signals for wireless transmission, or configured to process wirelessly-received signals, or a combination thereof.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 28, 2024
    Inventors: Jorge FABREGA SANCHEZ, Chinmaya MISHRA, Darryl Sheldon JESSIE, Bhushan Shanti ASURI, Allen Minh-Triet TRAN, Mohammad Ali TASSOUDJI, Jeongil Jay KIM, Gurkanwal Singh SAHOTA, Kevin Hsi-Huai WANG
  • Patent number: 12136766
    Abstract: Methods, systems, and devices for wireless communication are described. According to one or more aspects, the described apparatus includes one or more stacks of patch radiators (such as patch antennas) comprising at least a first patch radiator and a second patch radiator. The first patch radiator is associated with a low-band frequency; the second patch radiator is associated with a high-band frequency. The first patch radiator and the second patch radiator may overlap a ground plane, which may be asymmetric. Some or all patch radiators in a stack may be rotated relative to the ground plane, such that some or all edge of a patch radiator may be nonparallel with one or more edges of the ground plane. Further, each patch radiator stack may include separate feeds for each of at least two frequencies and two polarizations, and thus at least four feeds (one for each frequency/polarization combination) in total.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: November 5, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Taesik Yang, Jorge Fabrega Sanchez, Mohammad Ali Tassoudji, Kevin Hsi-Huai Wang, Jeongil Jay Kim
  • Patent number: 12074378
    Abstract: An antenna is described. The antenna includes a first plurality of first elements. Each of the first elements is dual polarized and configured to support a first set of bands and a second set of bands that is mutually exclusive from the first set of bands. The antenna also includes a second plurality of second elements. Each of the second elements is dual polarized and configured to support the second set of bands. The second plurality of second elements is interleaved with the first plurality of first elements.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: August 27, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Jorge Fabrega Sanchez, Mohammad Ali Tassoudji, Assaf Aviv, Taesik Yang, Jeongil Jay Kim, Kevin Hsi-Huai Wang
  • Patent number: 12057640
    Abstract: An antenna assembly includes an array of patch antennas arranged above a rectangular ground plane. The patch antennas are arranged in a sequence beginning at a first end of the rectangular ground plane and continuing across a width of the rectangular ground plane to a second end. With regard to this sequence, a plurality of polarization feeds alternate between being adjacent a first corner to being adjacent a second corner of the patch antennas and/or a plurality of via walls alternate in orientation along portions of a first edge of the rectangular ground plane and along portions of a second edge of the rectangular ground plane.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: August 6, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Assaf Aviv, Taesik Yang, Mohammad Ali Tassoudji, Kevin Hsi-Huai Wang
  • Publication number: 20240222872
    Abstract: Designs and techniques for manufacturing microelectronic antenna tuners are provided. An example microelectronic antenna system includes a radio frequency integrated circuit comprising a plurality of radio frequency signal ports disposed in a first area, a plurality of tuning devices disposed in a second area of the radio frequency integrated circuit, at least one antenna element disposed on a substrate coupled to the radio frequency integrated circuit, and at least one feedline disposed in the substrate and configured to communicatively couple the at least one antenna element, at least one of the plurality of tuning devices, and one of the plurality of radio frequency signal ports.
    Type: Application
    Filed: March 14, 2024
    Publication date: July 4, 2024
    Inventors: Chuan WANG, Li LIU, Bhushan Shanti ASURI, Kevin Hsi-Huai WANG, Gurkanwal Singh SAHOTA
  • Patent number: 11949175
    Abstract: Designs and techniques for manufacturing microelectronic antenna tuners are provided. An example microelectronic antenna system includes a radio frequency integrated circuit comprising a plurality of radio frequency signal ports disposed in a first area, a plurality of tuning devices disposed in a second area of the radio frequency integrated circuit, at least one antenna element disposed on a substrate coupled to the radio frequency integrated circuit, and at least one feedline disposed in the substrate and configured to communicatively couple the at least one antenna element, at least one of the plurality of tuning devices, and one of the plurality of radio frequency signal ports.
    Type: Grant
    Filed: September 25, 2021
    Date of Patent: April 2, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Chuan Wang, Li Liu, Bhushan Shanti Asuri, Kevin Hsi-Huai Wang, Gurkanwal Singh Sahota
  • Publication number: 20240106124
    Abstract: An antenna system includes: a patch antenna element disposed at a first level of the antenna system; an energy coupler configured and coupled to the patch antenna element to transfer energy between the patch antenna element and a front-end circuit; a ground conductor disposed at a second level of the antenna system, the patch antenna element and the ground conductor being disposed a separation distance away from each other and bounding respective sides of a volume defined by a projection, normal to a surface of the patch antenna element, of the patch antenna element to the ground conductor; and a floating conductor that is displaced from the ground conductor and the patch antenna element, the floating conductor comprising a body extending over a portion of the separation distance outside of, and in close proximity to, the volume.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 28, 2024
    Inventors: Mahmoud NIROO JAZI, Mohammad Ali TASSOUDJI, Taesik YANG, Jeongil Jay KIM, Darryl Sheldon JESSIE, Kevin Hsi-Huai WANG, Jorge FABREGA SANCHEZ, Hong-Ming LEE
  • Publication number: 20240106135
    Abstract: An antenna assembly includes an array of patch antennas arranged above a rectangular ground plane. The patch antennas are arranged in a sequence beginning at a first end of the rectangular ground plane and continuing across a width of the rectangular ground plane to a second end. With regard to this sequence, a plurality of polarization feeds alternate between being adjacent a first corner to being adjacent a second corner of the patch antennas and/or a plurality of via walls alternate in orientation along portions of a first edge of the rectangular ground plane and along portions of a second edge of the rectangular ground plane.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 28, 2024
    Inventors: Assaf AVIV, Taesik YANG, Mohammad Ali TASSOUDJI, Kevin Hsi-Huai WANG
  • Publication number: 20240106490
    Abstract: A transmit (TX) local oscillator (LO) leakage calibration circuit including a transceiver having a transmit portion and a receive portion, an interface circuit connected to the transmit portion and the receive portion, an impedance control circuit connected to a low noise amplifier (LNA) in the receive portion, the impedance control circuit configured to adjust an input impedance for the LNA, a power detector coupled to an output of the LNA, and a local oscillator cancellation element connected to the power detector, the local oscillator cancellation element configured to adjust an input to the transmit portion based on TX LO leakage detected by the power detector.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 28, 2024
    Inventors: Chinmaya MISHRA, Abdellatif BELLAOUAR, Damin CAO, Rajagopalan RANGARAJAN, Kevin Hsi-Huai WANG
  • Patent number: 11862861
    Abstract: An apparatus is disclosed for a hybrid wireless transceiver architecture that supports multiple antenna arrays. In an example aspect, the apparatus includes a first antenna array, a second antenna array, and a wireless transceiver. The wireless transceiver includes first dedicated circuitry dedicated to the first antenna array and second dedicated circuitry dedicated to the second antenna array. The wireless transceiver also includes shared circuitry that is shared with both the first antenna array and the second antenna array.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: January 2, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Li Liu, Kevin Hsi Huai Wang, Yunfei Feng, Chuan Wang, Gurkanwal Sahota
  • Patent number: 11784418
    Abstract: An antenna system includes: a first antenna element configured to transduce between second wireless energy and second transmission-line-conducted energy, wherein the first and second wireless energy are of first and second polarizations of the first antenna element and in first and second directions that are different and define a first plane; and a second antenna element configured to transduce between third wireless energy and third transmission-line-conducted energy and between fourth wireless energy and fourth transmission-line-conducted energy, wherein the third and fourth wireless energy are of first and second polarizations of the second antenna element and in third and fourth directions that are different and define a second plane that is substantially orthogonal to the first plane.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: October 10, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Jorge Fabrega Sanchez, Mohammad Ali Tassoudji, Jeongil Jay Kim, Kevin Hsi-Huai Wang
  • Patent number: 11733744
    Abstract: Apparatus, methods, and computer-readable media for implementing a display-side antenna are disclosed herein. An example apparatus for wireless communication includes a housing and a display device supported by the housing. The example display device includes at least a glass cover and a panel positioned between the glass cover and an internal surface of the housing. The panel may be configured to output graphical content for presentment on the glass cover via pixels arranged within a visible area of the panel. The example apparatus also includes an antenna array. The antenna array may be configured to facilitate wireless communication at the apparatus. The antenna array may be positioned to overlap a portion of the visible area of the panel and configured to allow graphical content output by the panel to display on the glass cover at the overlapped portion of the visible area.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: August 22, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Jorge Fabrega Sanchez, Mohammad Ali Tassoudji, Kevin Hsi-Huai Wang, Alberto Cicalini, Peter Lien
  • Publication number: 20230261393
    Abstract: Methods, systems, and devices for wireless communication are described. According to one or more aspects, the described apparatus includes one or more stacks of patch radiators (such as patch antennas) comprising at least a first patch radiator and a second patch radiator. The first patch radiator is associated with a low-band frequency; the second patch radiator is associated with a high-band frequency. The first patch radiator and the second patch radiator may overlap a ground plane, which may be asymmetric. Some or all patch radiators in a stack may be rotated relative to the ground plane, such that some or all edge of a patch radiator may be nonparallel with one or more edges of the ground plane. Further, each patch radiator stack may include separate feeds for each of at least two frequencies and two polarizations, and thus at least four feeds (one for each frequency/polarization combination) in total.
    Type: Application
    Filed: April 24, 2023
    Publication date: August 17, 2023
    Inventors: Taesik YANG, Jorge FABREGA SANCHEZ, Mohammad Ali TASSOUDJI, Kevin Hsi-Huai WANG, Jeongil Jay KIM
  • Publication number: 20230187848
    Abstract: An antenna is described. The antenna includes a first plurality of first elements. Each of the first elements is dual polarized and configured to support a first set of bands and a second set of bands that is mutually exclusive from the first set of bands. The antenna also includes a second plurality of second elements. Each of the second elements is dual polarized and configured to support the second set of bands. The second plurality of second elements is interleaved with the first plurality of first elements.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Inventors: Jorge FABREGA SANCHEZ, Mohammad Ali TASSOUDJI, Assaf AVIV, Taesik YANG, Jeongil Jay KIM, Kevin Hsi-Huai WANG