Patents by Inventor Xiaoxiong Gu
Xiaoxiong Gu 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).
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Patent number: 11658390Abstract: Antenna package structures are provided to implement wireless communications packages. For example, an antenna package includes multilayer package substrate, a planar antenna array, antenna feed lines, and resistive transmission lines. The planar antenna array includes an array of active antenna elements and dummy antenna elements surrounding the array of active antenna elements. Each active antenna element is coupled to a corresponding one of the antenna feed lines, and each dummy antenna element is coupled to a corresponding one of the resistive transmission lines. Each resistive transmission line extends through the multilayer package substrate and is terminated in a same metallization layer of the multilayer package substrate.Type: GrantFiled: January 23, 2020Date of Patent: May 23, 2023Assignees: International Business Machines Corporation, Ericsson ABInventors: Christian W. Baks, Daniel J. Friedman, Xiaoxiong Gu, Duixian Liu, Alberto Valdes Garcia, Joakim Hallin, Ola Ragnar Tageman
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Publication number: 20230074376Abstract: A phased array antenna includes an antenna array substrate having a plurality of antenna elements. At least two beamformers are coupled to the plurality of antenna elements. At least two filters support different frequency bands and are respectively coupled to the at least two beamformers. A frequency converter is coupled to the at least two filters, the frequency converter including one intermediate frequency (IF) port and at least two radio frequency (RF) ports. The one IF port of the frequency converter is configured to support the at least two beamformers via the at least two RF ports. A first beamformer of the at least two beamformers is coupled to a first filter of the at least two filters to form a first beam in a direction different than a second beamformer of the first two beamformers coupled to a second filter of the at least two filters.Type: ApplicationFiled: September 7, 2021Publication date: March 9, 2023Inventors: Alberto Valdes Garcia, Arun Paidimarri, Bodhisatwa Sadhu, Jean-Olivier Plouchart, Xiaoxiong Gu, Christian Wilhelmus Baks, Yo Yamaguchi, Kiyoshi Kobayashi, Yoshiharu Fujisaku, Ning Guan
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Patent number: 11189905Abstract: An apparatus includes an antenna array package cover comprising a radiating surface, a mating surface disposed opposite the radiating surface, and an array of antenna array sub-patterns wherein each antenna array sub-pattern comprises at least one antenna element. The antenna array package also includes an array of sub-pattern interface packages mated to the mating surface of the antenna array package cover. Each sub-pattern interface package of the array of sub-pattern interface packages comprises a package carrier, a sub-pattern integrated circuit electrically and mechanically coupled to the package carrier, and a set of interface lines corresponding to the antenna elements of the antenna array sub-pattern that corresponds to the sub-pattern interface package. Methods for mounting the above apparatus into a host circuit are also disclosed herein.Type: GrantFiled: April 13, 2018Date of Patent: November 30, 2021Assignee: International Business Machines CorporationInventors: Xiaoxiong Gu, Duixian Liu, Christian W. Baks, Alberto Valdes Garcia
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Patent number: 10826194Abstract: Techniques regarding a scalable phased array are provided. For example, various embodiments described herein can comprise a plurality of integrated circuits having respective flip chip pads, and an antenna-in-package substrate having a ball grid array terminal and a plurality of transmission lines. The plurality of transmission lines can be embedded within the antenna-in-package substrate and can operatively couple the respective flip chip pads to the ball grid array terminal. In one or more embodiments, a die can comprise the plurality of integrated circuits. Further, in one or more embodiments a combiner can also be embedded in the antenna-in-package substrate. The combiner can join the plurality of transmission lines.Type: GrantFiled: February 21, 2018Date of Patent: November 3, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Xiaoxiong Gu, Wooram Lee, Duixian Liu, Christian Wilhelmus Baks, Alberto Valdes-Garcia
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Patent number: 10784563Abstract: Techniques regarding a scalable phased array are provided. For example, various embodiments described herein can comprise a plurality of integrated circuits having respective flip chip pads, and an antenna-in-package substrate having a ball grid array terminal and a plurality of transmission lines. The plurality of transmission lines can be embedded within the antenna-in-package substrate and can operatively couple the respective flip chip pads to the ball grid array terminal. In one or more embodiments, a die can comprise the plurality of integrated circuits. Further, in one or more embodiments a combiner can also be embedded in the antenna-in-package substrate. The combiner can join the plurality of transmission lines.Type: GrantFiled: February 21, 2018Date of Patent: September 22, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Xiaoxiong Gu, Wooram Lee, Duixian Liu, Christian Wilhelmus Baks, Alberto Valdes-Garcia
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Publication number: 20200161744Abstract: Antenna package structures are provided to implement wireless communications packages. For example, an antenna package includes multilayer package substrate, a planar antenna array, antenna feed lines, and resistive transmission lines. The planar antenna array includes an array of active antenna elements and dummy antenna elements surrounding the array of active antenna elements. Each active antenna element is coupled to a corresponding one of the antenna feed lines, and each dummy antenna element is coupled to a corresponding one of the resistive transmission lines. Each resistive transmission line extends through the multilayer package substrate and is terminated in a same metallization layer of the multilayer package substrate.Type: ApplicationFiled: January 23, 2020Publication date: May 21, 2020Inventors: Christian W. Baks, Daniel J. Friedman, Xiaoxiong Gu, Duixian Liu, Alberto Valdes Garcia, Joakim Hallin, Ola Ragnar Tageman
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Patent number: 10594019Abstract: Antenna package structures are provided to implement wireless communications packages. For example, an antenna package includes multilayer package substrate, a planar antenna array, antenna feed lines, and resistive transmission lines. The planar antenna array includes an array of active antenna elements and dummy antenna elements surrounding the array of active antenna elements. Each active antenna element is coupled to a corresponding one of the antenna feed lines, and each dummy antenna element is coupled to a corresponding one of the resistive transmission lines. Each resistive transmission line extends through the multilayer package substrate and is terminated in a same metallization layer of the multilayer package substrate.Type: GrantFiled: December 3, 2016Date of Patent: March 17, 2020Assignees: International Business Machines Corporation, Ericsson ABInventors: Christian W. Baks, Daniel J. Friedman, Xiaoxiong Gu, Duixian Liu, Alberto Valdes Garcia, Joakim Hallin, Ola Ragnar Tageman
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Publication number: 20190319338Abstract: An apparatus includes an antenna array package cover comprising a radiating surface, a mating surface disposed opposite the radiating surface, and an array of antenna array sub-patterns wherein each antenna array sub-pattern comprises at least one antenna element. The antenna array package also includes an array of sub-pattern interface packages mated to the mating surface of the antenna array package cover. Each sub-pattern interface package of the array of sub-pattern interface packages comprises a package carrier, a sub-pattern integrated circuit electrically and mechanically coupled to the package carrier, and a set of interface lines corresponding to the antenna elements of the antenna array sub-pattern that corresponds to the sub-pattern interface package. Methods for mounting the above apparatus into a host circuit are also disclosed herein.Type: ApplicationFiled: April 13, 2018Publication date: October 17, 2019Inventors: Xiaoxiong Gu, Duixian Liu, Christian W. Baks, Alberto Valdes Garcia
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Patent number: 10431892Abstract: Package structures are provided having antenna-in-packages that are integrated with semiconductor RFIC (radio frequency integrated circuit) chips to form compact integrated radio/wireless communications systems that operate in the millimeter wave (mmWave) frequency range with radiation in broadside and end-fire directions.Type: GrantFiled: July 12, 2017Date of Patent: October 1, 2019Assignee: International Business Machines CorporationInventors: Alberto V. Garcia, Xiaoxiong Gu, Duixian Liu
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Publication number: 20190260138Abstract: Techniques regarding a scalable phased array are provided. For example, various embodiments described herein can comprise a plurality of integrated circuits having respective flip chip pads, and an antenna-in-package substrate having a ball grid array terminal and a plurality of transmission lines. The plurality of transmission lines can be embedded within the antenna-in-package substrate and can operatively couple the respective flip chip pads to the ball grid array terminal. In one or more embodiments, a die can comprise the plurality of integrated circuits. Further, in one or more embodiments a combiner can also be embedded in the antenna-in-package substrate. The combiner can join the plurality of transmission lines.Type: ApplicationFiled: February 21, 2018Publication date: August 22, 2019Inventors: Xiaoxiong Gu, Wooram Lee, Duixian Liu, Christian Wilhelmus Baks, Alberto Valdes-Garcia
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Publication number: 20190260109Abstract: Techniques regarding a scalable phased array are provided. For example, various embodiments described herein can comprise a plurality of integrated circuits having respective flip chip pads, and an antenna-in-package substrate having a ball grid array terminal and a plurality of transmission lines. The plurality of transmission lines can be embedded within the antenna-in-package substrate and can operatively couple the respective flip chip pads to the ball grid array terminal. In one or more embodiments, a die can comprise the plurality of integrated circuits. Further, in one or more embodiments a combiner can also be embedded in the antenna-in-package substrate. The combiner can join the plurality of transmission lines.Type: ApplicationFiled: February 21, 2018Publication date: August 22, 2019Inventors: Xiaoxiong Gu, Wooram Lee, Duixian Liu, Christian Wilhelmus Baks, Alberto Valdes-Garcia
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Patent number: 10381730Abstract: A millimeter-wave (MMW) communication system may include an antenna array structure operating within a MMW band, having both a first antenna coupling point and a second antenna coupling point, whereby the first and the second location of the antenna coupling points are within a coplanar surface on which the antenna array structure is formed. The system may further include a first MMW transmitter that couples a first data modulated MMW signal to the first antenna coupling point and a second MMW transmitter that couples a second data modulated MMW signal to the second antenna coupling point. Coupling the first data modulated MMW signal to the first antenna coupling point generates a first MMW radio signal transmitted at a first propagation direction and coupling the second data modulated MMW signal to the second antenna coupling point generates a second MMW radio signal transmitted at a second propagation direction.Type: GrantFiled: November 17, 2017Date of Patent: August 13, 2019Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Xiaoxiong Gu, Duixian Liu, Bodhisatwa Sadhu, Alberto Valdes Garcia
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Patent number: 10170838Abstract: Package structures are provided having antenna-in-packages that are integrated with semiconductor RFIC (radio frequency integrated circuit) chips to form compact integrated radio/wireless communications systems that operate in the millimeter wave (mmWave) frequency range with radiation in broadside and end-fire directions.Type: GrantFiled: July 10, 2015Date of Patent: January 1, 2019Assignee: International Business Machines CorporationInventors: Alberto V. Garcia, Xiaoxiong Gu, Duixian Liu
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Publication number: 20180159203Abstract: Antenna package structures are provided to implement wireless communications packages. For example, an antenna package includes multilayer package substrate, a planar antenna array, antenna feed lines, and resistive transmission lines. The planar antenna array includes an array of active antenna elements and dummy antenna elements surrounding the array of active antenna elements. Each active antenna element is coupled to a corresponding one of the antenna feed lines, and each dummy antenna element is coupled to a corresponding one of the resistive transmission lines. Each resistive transmission line extends through the multilayer package substrate and is terminated in a same metallization layer of the multilayer package substrate.Type: ApplicationFiled: December 3, 2016Publication date: June 7, 2018Inventors: Christian W. Baks, Daniel J. Friedman, Xiaoxiong Gu, Duixian Liu, Alberto Valdes Garcia, Joakim Hallin, Ola Ragnar Tageman
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Patent number: 9985346Abstract: Antenna package structures are provided to implement wireless communications packages. For example, an antenna package includes a package carrier and a package cover. The package carrier includes an antenna ground plane and an antenna feed line. The package cover includes a planar lid having a planar antenna element formed on a first surface of the planar lid. The package cover is bonded to a first surface of the package carrier with the first surface of the planar lid facing the first surface of the package carrier, and with the planar antenna element aligned to the antenna ground plane and the antenna feed line of the package carrier, wherein the first surface of the planar lid is disposed at a distance from the first surface of the package carrier to provide an air space between the planar antenna element and the package carrier.Type: GrantFiled: January 11, 2017Date of Patent: May 29, 2018Assignee: International Business Machines CorporationInventors: Christian Wilhelmus Baks, Xiaoxiong Gu, Duixian Liu, Alberto Valdes-Garcia
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Publication number: 20180108995Abstract: A millimeter-wave (MMW) communication system may include an antenna array structure operating within a MMW band, having both a first antenna coupling point and a second antenna coupling point, whereby the first and the second location of the antenna coupling points are within a coplanar surface on which the antenna array structure is formed. The system may further include a first MMW transmitter that couples a first data modulated MMW signal to the first antenna coupling point and a second MMW transmitter that couples a second data modulated MMW signal to the second antenna coupling point. Coupling the first data modulated MMW signal to the first antenna coupling point generates a first MMW radio signal transmitted at a first propagation direction and coupling the second data modulated MMW signal to the second antenna coupling point generates a second MMW radio signal transmitted at a second propagation direction.Type: ApplicationFiled: November 17, 2017Publication date: April 19, 2018Inventors: Xiaoxiong Gu, Duixian Liu, Bodhisatwa Sadhu, Alberto Valdes Garcia
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Publication number: 20180076526Abstract: Package structures are provided having antenna-in-packages that are integrated with semiconductor RFIC (radio frequency integrated circuit) chips to form compact integrated radio/wireless communications systems that operate in the millimeter wave (mmWave) frequency range with radiation in broadside and end-fire directions.Type: ApplicationFiled: July 10, 2015Publication date: March 15, 2018Inventors: Alberto V. Garcia, Xiaoxiong Gu, Duixian Liu
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Patent number: 9917368Abstract: Package structures are provided having antenna-in-packages that are integrated with semiconductor RFIC (radio frequency integrated circuit) chips to form compact integrated radio/wireless communications systems that operate in the millimeter wave (mmWave) frequency range with radiation in broadside and end-fire directions.Type: GrantFiled: July 10, 2015Date of Patent: March 13, 2018Assignee: International Business Machines CorporationInventors: Alberto V. Garcia, Xiaoxiong Gu, Duixian Liu
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Patent number: 9912061Abstract: A millimeter-wave (MMW) communication system may include an antenna array structure operating within a MMW band, having both a first antenna coupling point and a second antenna coupling point, whereby the first and the second location of the antenna coupling points are within a coplanar surface on which the antenna array structure is formed. The system may further include a first MMW transmitter that couples a first data modulated MMW signal to the first antenna coupling point and a second MMW transmitter that couples a second data modulated MMW signal to the second antenna coupling point. Coupling the first data modulated MMW signal to the first antenna coupling point generates a first MMW radio signal transmitted at a first propagation direction and coupling the second data modulated MMW signal to the second antenna coupling point generates a second MMW radio signal transmitted at a second propagation direction.Type: GrantFiled: May 18, 2016Date of Patent: March 6, 2018Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Xiaoxiong Gu, Duixian Liu, Bodhisatwa Sadhu, Alberto Valdes Garcia
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Patent number: 9831558Abstract: A millimeter-wave (MMW) communication system may include an antenna array structure operating within a MMW band, having both a first antenna coupling point and a second antenna coupling point, whereby the first and the second location of the antenna coupling points are within a coplanar surface on which the antenna array structure is formed. The system may further include a single MMW transmitter device having a power splitter that splits a data modulated MMW signal into a first MMW data modulated signal and a second MMW data modulated signal identical to the first MMW data modulated signal, such that the first data modulated MMW signal is coupled to the first antenna coupling point for radio propagation at a first direction, and the second data modulated MMW signal is coupled to the second antenna coupling point for radio propagation at a second direction.Type: GrantFiled: March 22, 2017Date of Patent: November 28, 2017Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Xiaoxiong Gu, Duixian Liu, Bodhisatwa Sadhu, Alberto Valdes Garcia