Patents by Inventor Alexei Davydov

Alexei Davydov 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: 11121768
    Abstract: Systems and methods for synchronizing communications between a User Equipment (UE) and Base Station (BS) using a synchronization signal structure. The synchronization signal structure can include a sequence of Synchronization Signals (SS) 5 including repetitions of a synchronization signal burst set. The synchronization signal burst set can include a plurality of synchronization signal bursts. The synchronization signal bursts can include a plurality of synchronization signal blocks, wherein the synchronization signal blocks can include a plurality of Synchronization Signals (SS).
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: September 14, 2021
    Assignee: APPLE INC.
    Inventors: Dae Won Lee, Seunghee Han, Gregory V. Morozov, Alexei Davydov, Hong He
  • Patent number: 11121743
    Abstract: An apparatus is configured to be employed within a base station. The apparatus comprises baseband circuitry which includes a radio frequency (RF) interface and one or more processors. The one or more processors are configured to arrange phase tracking reference signal (PT-RS) resource elements (REs) and data REs as an arrangement for a transmission based on one or more diversity factors. The one or more diversity factors include a time domain and a frequency domain. The one or more processors are also configured to provide the transmission having the PT-RS REs to the RF interface for transmission to a user equipment (UE) device.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: September 14, 2021
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Alexei Davydov, Wook Bong Lee, Gang Xiong, Xinyue Zheng
  • Patent number: 11121897
    Abstract: Technology for a user equipment (UE) configured for communication of sounding reference signal (SRS) resources is disclosed. The UE can decode a radio resource control (RRC) signal indicating an SRS to transmit with a physical uplink control channel (PUCCH), wherein the PUCCH and the SRS are quasi co located (QCLed) based on a spatial received parameter. The UE can encode an SRS for transmission using the spatial received parameter. The UE can encode uplink control information (UCI) for transmission in the PUCCH using the spatial received parameter. The UE can have a memory interface configured to send to a memory the spatial received parameter.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: September 14, 2021
    Assignee: APPLE INC.
    Inventors: Gang Xiong, Alexei Davydov, Alexey Khoryaev, Mikhail S. Shilov, Seung Hee Han, Yushu Zhang, Joonyoung Cho
  • Patent number: 11122551
    Abstract: A mobile communication device includes a table component, a table selection component, a control information component, and a communication component. The table component is configured to maintain two or more tables each having entries for a plurality of available modulation schemes. The table selection component is configured to select a selected table from one of the default table and the secondary table based on one or more of RRC layer signaling and MAC layer signaling and further based based on a control information format for control information received from the eNB. The control information component is configured to receive control information indicating a modulation and coding scheme from the selected table, and the communication component is configured to receive and process a communication from the eNB based on the modulation and coding scheme from the selected table.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 14, 2021
    Assignee: APPLE INC.
    Inventors: Hwan-Joon Kwon, Alexei Davydov, Seunghee Han, Gregory V. Morozov, Youn Hyoung Heo
  • Publication number: 20210282167
    Abstract: Systems and methods determine a PUSCH default beam in NR with multiple UE antenna panel operation and multiple TRP operation.
    Type: Application
    Filed: September 26, 2019
    Publication date: September 9, 2021
    Applicant: Intel Corporation
    Inventors: Guotong Wang, Yushu Zhang, Alexei Davydov, Bishwarup Mondal, Gang Xiong
  • Publication number: 20210281368
    Abstract: A user equipment (UE) may assess a radio link quality of a plurality of frames for communication, via the interface to the RF circuitry, with a radio access network (RAN) node. When the radio link quality of a frame, of the plurality of frames, is below an out-of-sync (OOS) threshold, the UE may indicate that the frame is OOS. When the radio link quality of a frame, of the plurality of frames, is above an in-sync (IS) threshold that the frame is IS. Additionally, or alternatively, the UE may process information, received from the RAN node indicating a partial subframe, of a subframe, to be used to transmit uplink control information (UCI) to the RAN node. The UE may also perform UCI mapping for using of the partial subframe to transmit UCI via a physical uplink control channel (PUSCH), and proceed by using the partial subframe to communicate the UCI to the RAN node.
    Type: Application
    Filed: August 13, 2018
    Publication date: September 9, 2021
    Inventors: Jeongho Jeon, Huaning Niu, Wenting Chang, Jinyu Zhang, Dae Won Lee, Alexei Davydov, Kyeongin Jeong, Candy Yiu
  • Patent number: 11102661
    Abstract: Technology for user equipment (UE) operable to decode beam indication related information received from a New Radio (NR) base station in a physical downlink shared channel (PDSCH) is disclosed. The UE can decode a transmission configuration indication (TCI) received in a downlink control information (DCI) from the NR base station on a scheduling physical downlink control channel (PDCCH) in a scheduled bandwidth part (BWP) or a scheduled component carrier (CC). The UE can decode a scheduling offset received from the NR base station, wherein the scheduling offset is an offset time for reception of beam indication related information in a physical downlink shared channel (PDSCH). The UE can decode the beam indication related information received from the NR base station in the PDSCH on the scheduled BWP or the scheduled CC at a time period greater than or equal to the scheduling offset relative to the PDCCH transmission.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: August 24, 2021
    Assignee: APPLE INC.
    Inventors: Yushu Zhang, Alexei Davydov, Debdeep Chatterjee, Gang Xiong, Guotong Wang
  • Patent number: 11101953
    Abstract: An apparatus is configured to be employed within a base station. The apparatus comprises baseband circuitry which includes a radio frequency (RF) interface and one or more processors. The one or more processors are configured to generate control information, the control information including a configured number of ports; receive a plurality of sounding reference signals (SRS) via the RF interface from a user equipment (UE) device, wherein each of the plurality of SRS is associated with one of the one or more precoders; and generate a ranking of a the one or more precoders based on the received plurality of SRS, wherein the plurality of SRS are associated with the one or more precoders.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: August 24, 2021
    Assignee: Apple Inc.
    Inventors: Wook Bong Lee, Alexei Davydov, Yushu Zhang, Victor Sergeev
  • Publication number: 20210258811
    Abstract: Provided herein are apparatus and method for user equipment (UE) panel selection. The disclosure provides an apparatus for a UE, comprising: a radio frequency (RF) interface to receive one or more reference signal resources from a next generation NodeB (gNB); and processor circuitry coupled with the RF interface, the processor circuitry to: determine a beam quality for each of the one or more reference signal resources received at each panel of the UE; and report beam information to the gNB, the beam information to indicate the beam quality of each of the one or more reference signal resources and corresponding panel for receiving each of the one or more reference signal resources. Other embodiments may also be disclosed and claimed.
    Type: Application
    Filed: September 20, 2019
    Publication date: August 19, 2021
    Inventors: Yushu ZHANG, Guotong WANG, Alexei DAVYDOV, Gang XIONG, Bishwarup MONDAL, Hong HE
  • Publication number: 20210258065
    Abstract: Methods, systems, and storage media are described for beam management for higher-frequency systems, such as, for example, those above 52.6 GHz. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 19, 2021
    Inventors: Guotong Wang, Gang Xiong, Alexei Davydov, Seunghee Han, Daewon Lee
  • Publication number: 20210258056
    Abstract: Techniques for employing QCL (Quasi Co-Location) signaling for beamforming management are discussed. One example embodiment can comprise a baseband processor of a User Equipment (UE). The baseband processor comprises one or more processors to make a determination whether a first set of RS (Reference Signal) APs (Antenna Ports) are QCL-ed (Quasi Co-Located) with a second set of RS APs with respect to one or more large-scale channel properties and to select a set of receiving parameters for the second set of RS APs based on the one or more spatial receiver parameters. The one or more large-scale channel properties comprise one or more spatial receiver parameters. The first set of RS APs are distinct from the second set of RS APs.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 19, 2021
    Inventor: Alexei Davydov
  • Patent number: 11095482
    Abstract: Systems, apparatuses, methods, and computer-readable media are provided for joint CSI-RS and SRS triggering. Embodiments may include DCI format(s) to support joint CSI-RS and SRS triggering, and UE QCL assumption when CSI-RS and SRS are jointly triggered.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 17, 2021
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Guotong Wang, Alexei Davydov, Gang Xiong, Hong He
  • Patent number: 11095483
    Abstract: Systems, apparatuses, methods, and computer-readable media are provided for joint CSI-RS and SRS triggering. Embodiments may include DCI format(s) to support joint CSI-RS and SRS triggering, and UE QCL assumption when CSI-RS and SRS are jointly triggered.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: August 17, 2021
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Guotong Wang, Alexei Davydov, Gang Xiong, Hong He
  • Publication number: 20210250977
    Abstract: A generation node B (gNB) for a fifth-generation (5G) new radio (NR) or a sixth-generation (6G) network is configured for slot-less operation at frequencies above a 52.6 GHz carrier frequency. The gNB may generate signalling to configure a user equipment (UE) with a gap between demodulation reference signal (DMRS) symbols for an associated physical downlink shared channel (PDSCH). The gNB may also encode the DMRS symbols for transmission in accordance with the gap and may encode the associated PDSCH for transmission during the gap between the DMRS symbol transmissions at symbol times following the DMRS symbols.
    Type: Application
    Filed: April 28, 2021
    Publication date: August 12, 2021
    Inventors: Gang Xiong, Avik Sengupta, Alexei Davydov, Dae Won Lee, Yingyang Li, Salvatore Talarico
  • Patent number: 11088751
    Abstract: Techniques for interference-based beam selection are discussed. One example embodiment employable in a UE (User Equipment) can comprise a processor configured to: determine one or more parameters based on configuration signaling, wherein each of the one or more parameters is associated with at least one of channel measurements, interference measurements, or a beam information report; perform the interference measurements for each of one or more distinct UE beams; calculate a measurement metric for each beam pair of one or more beam pairs based on the interference measurements, wherein each beam pair comprises one of the one or more distinct UE beams and an associated NW (Network) beam; and generate the beam information report comprising the measurement metric for at least one beam pair of the one or more beam pairs.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: August 10, 2021
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Victor Sergeev, Gregory V. Morozov
  • Patent number: 11082966
    Abstract: Techniques for transmitting and receiving beamformed transmission(s) of a common search space of a DL (Downlink) control channel are discussed. One example embodiment that can be employed at a UE (User Equipment) comprises processing circuitry configured to: select a set of receive beamforming weights for a DL (Downlink) control channel; and decode one or more control channel sets from a common search space of the DL control channel, wherein each control channel set of the one or more control channel sets is mapped to an associated symbol of one or more symbols of a slot, wherein each control channel set of the one or more control channel sets has an associated transmit beamforming, and wherein each control channel set of the one or more control channel sets comprises a common set of control information.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: August 3, 2021
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Wook Bong Lee, Hong He, Seung Hee Han, Honglei Miao
  • Patent number: 11071172
    Abstract: Technology for a user equipment (UE) configured for bandwidth adaptation (BWA) is disclosed. The UE can decode resource allocation information for a first radio frequency (RF) bandwidth including a primary subband available to the UE for data communication. Th 5 e UE can decode resource allocation information for a second RF bandwidth, wherein the second RF bandwidth comprises the first RF bandwidth and at least one secondary subband available to the UE for data communication. The UE can encode data for transmission to a next generation NodeB (gNB) using resources allocated for the second RF bandwidth in the primary subband and the secondary subband. The UE 10 can have a memory interface configured to send to a memory the resource allocation information for the first RF bandwidth and the second RF bandwidth.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: July 20, 2021
    Assignee: APPLE INC.
    Inventors: Hong He, Gang Xiong, Hwan-Joon Kwon, Alexei Davydov, Dae Won Lee
  • Patent number: 11070320
    Abstract: In embodiments, a base station may identify a parameter related to a zero power (ZP) resource element (RE) mapping set in a physical resource block (PRB). The ZP RE mapping set may relate to resources that are not to be used to transmit a physical channel transmission. The base station may then transmit, to a user equipment (UE), an indication of the ZP RE mapping set. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: July 20, 2021
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Seung Hee Han, Debdeep Chatterjee, Gang Xiong, Victor Sergeev, Ajit Nimbalker, Dmitry Dikarev
  • Patent number: 11063652
    Abstract: Techniques discussed herein can facilitate maintenance and/or recovery of BPL(s) (Beam Pair Link(s)). Various embodiments can employ aspects discussed herein can one or more of enable interference randomization for beam/link recovery signal(s) or reduce the overhead of UL (Uplink) beam management RS (Reference Signal(s)). Various embodiments can comprise UE(s) (User Equipment(s)) that can receive configuration signaling configuring the UE(s) to one or more of apply interference randomization to a beam/link recovery signal and/or generate a SR (Scheduling Request) channel for beam maintenance having reduced overhead and can transmit the beam/link recovery signal and/or SR channel. Additional embodiments can comprise gNB(s) (next Generation NodeB(s)) that can configure UE(s) for beam maintenance and/or recovery techniques discussed herein.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: July 13, 2021
    Assignee: Apple Inc.
    Inventors: Gang Xiong, Yushu Zhang, Alexei Davydov, Wook Bong Lee, Dae Won Lee, Guotong Wang
  • Patent number: 11064552
    Abstract: An apparatus of a user equipment (UE) comprises one or more baseband processors to generate a beam failure recovery request to be transmitted to a Fifth Generation (5G) NodeB (gNB) over a physical random access channel (PRACH), to process a response from the gNB, and to generate a physical uplink control channel (PUCCH) transmission to be transmitted to the gNB using a default spatial relation comprising a same spatial filter as used for the beam failure recovery request transmission over the PRACH. A beam failure recovery request is to be transmitted to a gNB after a random access response from the gNB, wherein the beam failure recovery request is to be transmitted via Message 1 or Message 3 to the gNB, and a response is to be received from the gNB via Message 2 or Message 4.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: July 13, 2021
    Assignee: Apple Inc.
    Inventors: Guotong Wang, Yushu Zhang, Alexei Davydov