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).

  • Publication number: 20210359816
    Abstract: Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for mapping a phase-tracking reference signal to resource elements. Other embodiments may be described and claimed.
    Type: Application
    Filed: October 16, 2019
    Publication date: November 18, 2021
    Applicant: Apple Inc.
    Inventors: Guotong WANG, Alexei DAVYDOV, Yushu ZHANG
  • Patent number: 11178012
    Abstract: The disclosure describes configuration schemes for secondary cell (SCell), bandwidth part (BWP) and physical resource block (PRB) indexing. An apparatus of user equipment (UE) for BWP activation and deactivation operation is disclosed. The apparatus includes baseband circuitry that includes a radio frequency (RF) interface, and one or more processors. The one or more processors are to receive radio resource control (RRC) data via the RF interface, configure a timer for a BWP according to the RRC data, and trigger the timer for the BWP in response to detection of an event associated with an access node after the BWP has been activated.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: November 16, 2021
    Assignee: Apple Inc.
    Inventors: Honglei Miao, Jeongho Jeon, Alexei Davydov, Hong He, Debdeep Chatterjee, Joonyoung Cho, Daewon Lee, Gang Xiong
  • Patent number: 11177904
    Abstract: Described is an apparatus of an Evolved Node-B (eNB) operable to communicate with a User Equipment (UE) on a wireless network. The apparatus may comprise a first circuitry and a second circuitry. The first circuitry may be operable to determine a presence of a Phase Tracking Reference Signal (PT-RS) and a density of the PT-RS. The second circuitry may be operable to process the PT-RS. The second circuitry may also be operable to process a transmission in a Multi-User Superposition Transmission (MUST) operation in accordance with the PT-RS.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: November 16, 2021
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Gang Xiong, Alexei Davydov, Guotong Wang
  • Publication number: 20210344431
    Abstract: Provided herein are method and apparatus for perform radio link monitoring (RLM) based on a Reference signal (RS). An embodiment provides a user Equipment (UE) comprising circuitry configured to: decode a Reference Signal (RS) received from an access node; and determine beam quality for one or more beam pair links (BPLs) of the RS between the UE and the access node based on the decoded RS, wherein each of the BPLs comprises a transmit (Tx) beam of the access node and a receive (Rx) beam of the UE. Also provided is a procedure of RLM. At least some embodiments allow for beam recovery request for UE beam refinement, and allow for determining whether radio link failure (RLF) occurs.
    Type: Application
    Filed: April 19, 2021
    Publication date: November 4, 2021
    Inventors: Yushu Zhang, Wook Bong Lee, Dae Won Lee, Seunghee Han, Alexei Davydov, Guotong Wang, Gregory Morozov
  • Publication number: 20210344468
    Abstract: A mobile radio communication terminal device operable for facilitating a physical downlink shared channel demodulation reference signal of a first mobile radio communication network communication connection during coinciding communications of the first mobile radio communication network and a second mobile radio communication network is provided. The second mobile radio communication network is configured to transmit a cell-specific reference signal. The mobile radio communication terminal device includes one or more processors configured to generate a request for generating a demodulation reference signal to be transmitted from the first mobile radio communication network according to an amended scheduling being shifted with respect to the scheduling of the cell-specific reference signal; and a memory storing the physical downlink shared channel demodulation reference signal of the first mobile radio communication network.
    Type: Application
    Filed: October 4, 2019
    Publication date: November 4, 2021
    Inventors: Debdeep Chatterjee, Alexei Davydov, Seung Hee Han, Avik Sengupta
  • Patent number: 11166331
    Abstract: Embodiments of a system and method for reporting channel state information (CSI) in a wireless network are generally described herein. In some embodiments, an apparatus of a User Equipment (UE) can include physical layer circuitry to receive, in a first subframe, a first aperiodic CSI request from a first cell group, and a second aperiodic CSI request from a second cell group. The UE can include processing circuitry to determine a number of requested CSI processes corresponding to the first aperiodic CSI request and the second aperiodic CSI request. Additionally, the processing circuitry can select a subset of the requested CSI processes when the determined number of requested CSI processes is more than five. Furthermore, the processing circuitry can calculate CSI for the selected CSI processes.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 2, 2021
    Assignee: Intel Corporation
    Inventors: Alexei Davydov, Youn Hyoung Heo, Hong He
  • Patent number: 11159217
    Abstract: Systems and methods of beam reporting for multiple DL processes are described. A UE receives a beam management processes configuration that provides information about beam management reference signals for beam management procedures. The UE transmits a UE capability report that indicates beam management capabilities of the UE and, later, an indication of whether the UE intends to engage in beam refinement. The UE measures the beam management reference signals and receives a beam reporting message that indicates at least one of the beam management procedures to report. In response, the UE transmits the beam report. The beam report contains beam management reference signal measurements of the beam management procedures indicated by the beam reporting message.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: October 26, 2021
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Huaning Niu, Wook Bong Lee, Alexei Davydov, Guotong Wang
  • Patent number: 11160102
    Abstract: Techniques for full duplex operation of base stations and/or user equipments (UEs) are discussed. One example embodiment comprises one or more processors of a UE configured to: process control messages that comprise a downlink assignment for the UE and an uplink grant for the UE during a subframe in a frequency band, wherein the downlink assignment indicates a first set of UE subarrays, and wherein the uplink grant indicates a second set of UE subarrays; process downlink data received via transceiver circuitry via the first set of UE subarrays, wherein the downlink data is received from a first base station during the subframe via the frequency band; and output uplink data to the transceiver circuitry for transmission via the second set of UE subarrays, wherein the uplink data is output for transmission to a second base station during the subframe via the frequency band.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: October 26, 2021
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Gregory V. Morozov, Victor Sergeev, Hong He
  • Publication number: 20210328739
    Abstract: Technology for an eNodeB operable to decode a sounding reference signal (SRS) received from a user equipment (UE) is disclosed. The eNodeB can decode the SRS received from the UE, wherein 5 the SRS is received using one or more SRS resources in a subframe where each SRS resource includes one or more symbols. The subframe can be an uplink subframe dedicated for SRS transmission or a short transmission time interval (sTTI) subframe used for SRS transmission. The eNodeB can determine uplink channel quality information for a channel between the eNodeB and the UE based in part on the 10 SRS.
    Type: Application
    Filed: August 9, 2019
    Publication date: October 21, 2021
    Inventors: Alexei Davydov, Sameer Pawar, Avik Sengupta
  • Patent number: 11153126
    Abstract: An apparatus can receive or transmit parameters for a sounding reference signal (SRS) transmission configuration as an uplink (UL)/downlink (DL) configuration of a serving cell. A time division duplex (TDD) operation with a plurality of component carriers (CCs) can be enabled/generated based on the parameters and at least one component carriers being reserved for the UL transmission or having a higher priority than a physical channel transmission such as a physical uplink shared channel (PUSCH) transmission or a physical uplink control channel (PUCCH) transmission.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: October 19, 2021
    Assignee: Apple Inc.
    Inventors: Hong He, Gang Xiong, Seunghee Han, Hwan-Joon Kwon, Alexei Davydov
  • Patent number: 11146435
    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: May 9, 2019
    Date of Patent: October 12, 2021
    Assignee: APPLE INC.
    Inventors: Gang Xiong, Alexei Davydov, Alexey Khoryaev, Mikhail S. Shilov, Seung Hee Han, Yushu Zhang, Joonyoung Cho
  • Patent number: 11146375
    Abstract: HARQ feedback configuration techniques for broadband wireless communication networks are described. In one embodiment, for example, an apparatus may comprise a memory and logic for user equipment (UE), at least a portion of the logic implemented in circuitry coupled to the memory, the logic to identify a hybrid automatic repeat request (HARQ) bundling window associated with a received downlink (DL) scheduling command, identify one or more HARQ feedback configuration parameters based on HARQ feedback configuration information comprised in the DL scheduling command, the one or more identified HARQ feedback configuration parameters to include a physical uplink control channel (PUCCH) format for use in transmission of HARQ feedback for the HARQ feedback bundling window, the logic to generate the HARQ feedback for transmission to an evolved node B (eNB) according to the PUCCH format. Other embodiments are described and claimed.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: October 12, 2021
    Assignee: Apple Inc.
    Inventors: Hong He, Alexei Davydov, Seunghee Han, Gang Xiong, Hwan-Joon Kwon
  • Publication number: 20210314801
    Abstract: An apparatus configured to be employed in a user equipment (UE) associated with a new radio (NR) communication system is disclosed. The apparatus comprises one or more processors configured to process a beam reporting configuration signal received from a gNodeB associated therewith. In some embodiments, the beam reporting configuration signal comprises a measurement quantity information on one or more measurement quantities to be reported by the UE to the gNodeB during beam reporting, for a set of beams associated with the gNodeB, wherein the one or more measurement quantities comprises layer 1 signal to interference plus noise ratio (L1-SINR), or both L1-SINR and L1 reference signal receive power (RSRP). In some embodiments, the beam reporting configuration signal further comprises a reference signal information on a reference signal to be utilized by the UE for measuring the one or more measurement quantities for the set of beams associated with the gNodeB.
    Type: Application
    Filed: October 24, 2019
    Publication date: October 7, 2021
    Inventors: Yushu Zhang, Guotong Wang, Alexei Davydov, Gang Xiong
  • Patent number: 11139876
    Abstract: Technology for a Next Generation NodeB (gNB) operable to communicate a channel state information reference signal (CSI-RS) resource element (RE) mapping configuration to a user equipment (UE) is disclosed. The gNB can determine a CSI-RS RE mapping configuration that 5 identifies resource elements for a CSI-RS resource at a frequency domain location (k) and at a time domain location (l). The gNB can encode the CSI-RS RE mapping configuration for transmission to the UE via higher layer signaling.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: October 5, 2021
    Assignee: APPLE INC.
    Inventors: Sameer Pawar, Alexei Davydov
  • Patent number: 11140749
    Abstract: Embodiments of a User Equipment (UE), a generation Node-B (gNB) and methods for communication are generally described herein. The UE may the UE 102 may receive from a gNB, control signaling that indicates: a first pre-coding matrix indicator (PMI) that indicates a first pre-coder for a first sub-band; and a second PMI that indicates a second pre-coder for a second sub-band. The first and second pre-coders may be included in predetermined candidate pre-coders. The UE may encode a physical uplink shared channel (PUSCH) block for transmission. The UE may scale the PUSCH block in the first sub-band by the first pre-coder. The UE may scale the PUSCH block in the second sub-band by the second pre-coder.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 5, 2021
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Alexei Davydov, Wook Bong Lee, Dae Won Lee, Seunghee Han
  • Patent number: 11139878
    Abstract: Embodiments of the present disclosure describe methods and apparatuses for group based beam reporting and channel state information reference signal configuration in new radio systems.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: October 5, 2021
    Assignee: Apple Inc.
    Inventors: Guotong Wang, Yushu Zhang, Alexei Davydov
  • Publication number: 20210297204
    Abstract: Technology for a Next Generation NodeB (gNB) operable to adapt to a downlink waveform type for wireless transmissions is disclosed. The gNB can encode an indicator of a downlink waveform type of a plurality of downlink waveform types for transmission to a user equipment (UE). The gNB can encode 5 a downlink signal for transmission on a downlink physical channel to the UE using the indicated downlink waveform type in a wireless system operating above a 52.6 gigahertz (GHz) carrier frequency.
    Type: Application
    Filed: August 9, 2019
    Publication date: September 23, 2021
    Inventors: Alexei Davydov, Gang Xiong, Gregory V. Morozov, Yushu Zhang, Dae Won Lee
  • Publication number: 20210298048
    Abstract: Among other things, some embodiments of the present disclosure are directed to coverage enhancement techniques for PUCCH. Other embodiments may be disclosed and/or claimed.
    Type: Application
    Filed: April 16, 2021
    Publication date: September 23, 2021
    Inventors: Sergey Sosnin, Gang Xiong, Avik Sengupta, Alexei Davydov, Jie Zhu, Gregory Ermolaev
  • Publication number: 20210288708
    Abstract: Herein described are apparatuses, systems, and methods for measurement and reporting of channel state information within wireless network systems. In embodiments, an apparatus for a user equipment (UE) may include memory to store a rank indicator (RI), a precoding matrix index (PMI), and a channel quality indicator (CQI) of channel state information (CSI) for the UE. The apparatus may further include circuitry to concatenate the RI, the PMI, and the CQI to produce a concatenated CSI element, generate a CSI report that includes the concatenated CSI element, and cause the CSI report to be transmitted to a base station within a single slot. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 16, 2021
    Applicant: Apple Inc.
    Inventors: Alexei DAVYDOV, Sameer PAWAR, Wook Bong LEE, Yushu ZHANG, Victor SERGEEV, Joonyoung CHO, Dmitry DIKAREV
  • Publication number: 20210289446
    Abstract: This disclosure proposes to use multiple power control loops in the uplink. Each power control loop may be associated with a respective antenna beam transmitted from an antenna array of the electronic device (e.g. UE) in the uplink. For example, a beam (or uplink signal) may be associated with 1, 2 or even more MIMO layer. Hence, in this latter case, each power control loop may be associated with a respective set of one or more MIMO layers. This concept is application to open-loop, closed-loop power control or both.
    Type: Application
    Filed: February 12, 2021
    Publication date: September 16, 2021
    Inventors: Alexei DAVYDOV, Hyejung JUNG, Gregory MOROZOV, Victor SERGEEV