Patents by Inventor Robert Chan

Robert Chan 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: 10291310
    Abstract: Systems, apparatuses, and methods for gap-based antenna measurement for antenna switch diversity, where there are fewer number of receivers or transmitters than the number of available antennas. The receivers may switch to additional antennas during a gap and switch back to the previous antennas. A device may select which antennas to use for communications based at least on measurements of additional antennas, thus supporting antenna switch diversity despite having fewer number of receiver chains.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: May 14, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Thawatt Gopal, Robert Chan, Reza Shahidi
  • Patent number: 9961600
    Abstract: Aspects described herein relate to using antenna-switched diversity (ASDIV) in wireless communications. A serving node can be communicated with using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating. It can be determined whether a target RAT supports operating using a same ASDIV switch group as the serving RAT. A target node can be communicated with using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: May 1, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Thawatt Gopal, Reza Shahidi, Sunil Kc, Qingxin Chen, Shivram Ramanathan Lnu, Ahmed Saifuddin, Robert Chan, Praveen Adusumilli, Shahabuddin Mohammad, Sandeep Narayana
  • Publication number: 20180007600
    Abstract: Aspects described herein relate to using antenna-switched diversity (ASDIV) in wireless communications. A serving node can be communicated with using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating. It can be determined whether a target RAT supports operating using a same ASDIV switch group as the serving RAT. A target node can be communicated with using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 4, 2018
    Inventors: Thawatt GOPAL, Reza Shahidi, Sunil KC, Qingxin Chen, Shivram Ramanathan Lnu, Ahmed Saifuddin, Robert Chan, Praveen Adusumilli, Shahabuddin Mohammad, Sandeep Narayana
  • Publication number: 20170353955
    Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may perform uplink communications on a first radio frequency spectrum band using a first transceiver and a first antenna. The first transceiver may have a first capability configuration. The UE may receive an assignment for uplink communications on a second radio frequency spectrum band and couple a second transceiver to the first antenna to perform the uplink communications on the first radio frequency spectrum band. The spectrum transceiver may have a second capability configuration that is different from the first capability configuration with respect to at least the second radio frequency spectrum band. The UE may switch the first transceiver to a second antenna for the uplink communications on the second radio frequency spectrum band.
    Type: Application
    Filed: June 1, 2016
    Publication date: December 7, 2017
    Inventors: Chih-Ping Hsu, Tarandeep Virk, Robert Chan, Xiaohu Zhang
  • Publication number: 20060091467
    Abstract: An embodiment of the present invention is a technique to fabricate a semiconductor device having low off state leakage current. A gate structure of a first device is formed on a substrate layer having a hardmask. A channel is formed underneath the gate structure having a width to support the gate structure. An oxide or a dielectric layer is deposited on the substrate layer. A doped polysilicon layer is deposited on the oxide layer. A recessed junction area is formed on the doped polysilicon layer between the first device and an adjacent device.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 4, 2006
    Inventors: Brian Doyle, Suman Datta, Justin Brask, Jack Kavalieros, Amlan Majumdar, Marko Radosavljevic, Robert Chan
  • Patent number: 6988161
    Abstract: A port configuration mechanism is provided at a host for multiple port allocation and shared resource utilization to support multiple port configurations for different port operation modes on a host to handle data transfers in a switched fabric data network for scalable solutions.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: January 17, 2006
    Assignee: Intel Corporation
    Inventors: James A. McConnell, Ronald L. Dammann, Robert Chan, Narayanan Kaniyur
  • Publication number: 20030120852
    Abstract: A port configuration mechanism is provided at a host for multiple port allocation and shared resource utilization to support multiple port configurations for different port operation modes on a host to handle data transfers in a switched fabric data network for scalable solutions.
    Type: Application
    Filed: December 20, 2001
    Publication date: June 26, 2003
    Inventors: James A. McConnell, Ronald L. Dammann, Robert Chan, Narayanan Kaniyur