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: 20230015776
    Abstract: Described is an apparatus of a User Equipment (UE) operable to communicate with a fifth generation Evolved Node-B (gNB) on a wireless network. The apparatus may comprise a first circuitry and a second circuitry. The first circuitry may be operable to determine a first parameter set and a second parameter set for establishing Physical Downlink Shared Channel (PDSCH) resources. The second circuitry may be operable to process a first part of a PDSCH transmission from a first set of Multiple Input Multiple Output (MIMO) layers corresponding with a first Multimedia. Broadcast Single Frequency Network (MBSFN) configuration based on the first parameter set. The second circuitry may also be operable to process a second part of the PDSCH transmission from a second set of MIMO layers corresponding with a second MBSFN configuration based on the second parameter set.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 19, 2023
    Applicant: Apple Inc.
    Inventors: Alexei DAVYDOV, Gregory V. MOROZOV, Victor SERGEEV, Ajit NIMBALKER, Grigory ERMOLAEV, Dmitry DIKAREV
  • Patent number: 11558796
    Abstract: Various embodiments are generally directed to improved channel quality information feedback techniques. In one embodiment, for example, an evolved node B (eNB) may comprise a processor circuit, a communication component for execution by the processor circuit to receive a channel quality index for a physical downlink shared channel (PDSCH), the channel quality index associated with a defined reference resource, and a selection component for execution by the processor circuit to select a modulation and coding scheme (MCS) for transmission over the PDSCH of user equipment (UE) data in one or more resource blocks, the selection component to compensate for a difference between a cell-specific reference signal (CRS) overhead of the defined reference resource and a CRS overhead of the one or more resource blocks when selecting the MCS. Other embodiments are described and claimed.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: January 17, 2023
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Seunghee Han, Yuan Zhu, Xiaogang Chen, Alexander Maltsev, Gregory Morozov
  • Patent number: 11553440
    Abstract: Embodiments of the present disclosure provide for mechanisms to enable full-power uplink transmission. Other embodiments may be described and claimed.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: January 10, 2023
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Guotong Wang, Gang Xiong, Alexei Davydov
  • Publication number: 20220417782
    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: August 31, 2022
    Publication date: December 29, 2022
    Inventors: Yushu Zhang, Guotong Wang, Alexei Davydov, Gang Xiong
  • Publication number: 20220407641
    Abstract: In one example, a method for a user equipment (UE) includes generating uplink (UL) signal data. The UL signal data includes UL control information (UCI) and UL shared channel (UL-SCH), the UCI includes a hybrid automatic repeat request acknowledge (HARQ-ACK) feedback or a channel state information (CSI) report, and the CSI report includes a first CSI part and a second CSI part. One or more resource regions are allocated to transmission of the HARQ-ACK feedback or the first CSI part and the second CSI part. When frequency hopping is enabled for a transmission of PUSCH, the allocated one or more resource regions for the transmission of the HARQ-ACK feedback or the first CSI part and the second CSI part are substantially equally divided into two portions, and each portion is transmitted in each frequency hop, frequency first mapping is applied to the transmission of PUSCH in each frequency hop.
    Type: Application
    Filed: August 29, 2022
    Publication date: December 22, 2022
    Inventors: Gang Xiong, Alexei Davydov, Seunghee Han, Yushu Zhang, Joonyoung Cho
  • Publication number: 20220408523
    Abstract: Provided herein are method and apparatus for configuration of a Reference Signal (RS) and a Tracking Reference Signal (TRS). An embodiment provides an apparatus for a user equipment (UE), comprising baseband processing circuitry configured to receive downlink control information (DCI) that indicates a number of slots for a Tracking Reference Signal (TRS, wherein the number of slots is based on a subcarrier spacing of a bandwidth part (BWP) in a current component carrier for the UE and receive TRS based on the number of slots indicated in the DCI, a frequency density of the TRS based on a bandwidth for the TRS, and a quasi co-location (QCL) relationship of the TRS, wherein the QCL relationship indicates that the TRS is Quasi-Co-Located (QCLed) with a Synchronization Signal (SS) block or a Channel State Information Reference Signal (CSI-RS).
    Type: Application
    Filed: August 25, 2022
    Publication date: December 22, 2022
    Inventors: Yushu Zhang, Gang Xiong, Guotong Wang, Alexei Davydov
  • Publication number: 20220394709
    Abstract: Technology for a user equipment (UE) to perform reduced transmission time interval (TTI) data transmission within a wireless communication network is disclosed. The UE can process a process, for transmission to an eNodeB, control information within a short transmission time interval (TTI) over a short TTI resource block (RB) set within a short physical uplink control channel (S-PUCCH), wherein the short TTI is shorter in time than a TTI that has a duration of at least one (1) millisecond, and wherein the S-PUCCH is a subset of resources available for a short physical uplink shared channel (S-PUSCH) and the S-PUSCH is a subset of resources available for a legacy PUSCH transmission; and process, for transmission to the eNodeB, data within the short TTI over the short TTI RB set within the S-PUSCH.
    Type: Application
    Filed: August 15, 2022
    Publication date: December 8, 2022
    Inventors: Christian Ibars Casas, Seunghee Han, Hong He, Alexei Davydov
  • Patent number: 11515917
    Abstract: An approach is described that includes receiving a CSI report, where the CSI report includes a channel quality indicator (CQI), a rank indicator (RI), and a precoding matrix indicator (PMI). The approach further includes constructing a precoding matrix based on a linear combination of a plurality of mutually orthogonal digital Fourier transformation (DFT) spatial beams, and determining a number of bits for the PMI of the precoding matrix. The approach also includes determining a space frequency matrix based, at least in part, on the number of bits for the PMI and the precoding matrix, and compressing the space frequency matrix. Finally, the approach includes determining a compressed PMI based, at least in part, on the space frequency matrix.
    Type: Grant
    Filed: January 18, 2020
    Date of Patent: November 29, 2022
    Assignee: Apple Inc.
    Inventors: Victor Sergeev, Alexei Davydov, Bishwarup Mondal, Gregory Morozov, Dmitry Dikarev
  • Patent number: 11515924
    Abstract: Described is an apparatus of a User Equipment (UE) operable to communicate with a fifth-generation Evolved Node-B (gNB) on a wireless network. The apparatus may comprise a first circuitry, a second circuitry, and a third circuitry. The first circuitry may be operable to detect a beam failure event. The second circuitry may be operable to generate a beam failure recovery request for transmission to the gNB, in response to the beam failure event. The third circuitry my be operable to monitor for Physical Downlink Control Channel (PDCCH) in a search space configured by the gNB, subsequent to a transmission of the beam failure recovery request.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: November 29, 2022
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Guotong Wang, Yushu Zhang, Seunghee Han, Dae Won Lee, Gang Xiong
  • Patent number: 11489637
    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: Grant
    Filed: August 9, 2019
    Date of Patent: November 1, 2022
    Assignee: APPLE INC.
    Inventors: Alexei Davydov, Gang Xiong, Gregory V. Morozov, Yushu Zhang, Dae Won Lee
  • Publication number: 20220346102
    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 select one or more recovery channels based on one or more recovery factors; determine a beam recovery frame structure using the selected one or more recovery channels and based at least partially on beam correspondence capabilities; and provide the selected one or more recovery channels and the determined beam recovery frame structure to the RF interface for transmission to a user equipment (UE) device.
    Type: Application
    Filed: July 8, 2022
    Publication date: October 27, 2022
    Inventors: Yushu Zhang, Wook Bong Lee, Gang Xiong, Hong He, Yongjun Kwak, Daewon Lee, Seung Hee Han, Alexei Davydov, Guotong Wang
  • Publication number: 20220345346
    Abstract: A reference signal sequence to modulate the demodulation reference signal for the Physical Broadcast Channel in New Radio standard is disclosed. Formulas are proposed for calculating the initialization value for the RS sequence generator so as to accord with the characteristics of New Radio.
    Type: Application
    Filed: April 1, 2022
    Publication date: October 27, 2022
    Inventors: Gregory Morozov, Dae Won Lee, Alexei Davydov, Seung Hee Han, Yongjun Kwak
  • Patent number: 11483842
    Abstract: Techniques for measuring CSI (Channel State Information) based on beamformed CSI-RS having reduced overhead are discussed. One example embodiment configured to be employed in a UE (User Equipment) comprises a memory; and one or more processors configured to: process higher layer signaling indicating one or more CSI-RS resources associated with a plurality of REs (Resource Elements) comprising a RE for each CSI-RS resource for each of one or more CSI-RS APs (Antenna Ports) in each of a plurality of continuous PRBs (physical resource blocks); process additional higher layer signaling comprising one or more CSI-RS parameters that indicate a subset of the plurality of REs associated with a beamformed CSI-RS transmission; decode one or more CSI-RSs from the indicated subset; and measure one or more CSI parameters based on the decoded one or more CSI-RSs.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: October 25, 2022
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Gregory V. Morozov, Victor Sergeev
  • Patent number: 11477685
    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: Grant
    Filed: October 24, 2019
    Date of Patent: October 18, 2022
    Assignee: Intel Corporation
    Inventors: Yushu Zhang, Guotong Wang, Alexei Davydov, Gang Xiong
  • Patent number: 11476985
    Abstract: Methods and apparatuses for channel state information report on physical uplink shared channel in new radio are provided. An apparatus for a user equipment (UE), comprising: a processor, configured to generate a uplink (UL) signal data for a physical uplink shared channel (PUSCH) by using a resource mapping scheme; and a radio frequency (RF) interface, configured to receive the generated UL signal data from the processor, wherein at least a part of the resource mapping scheme is predefined, configured by higher layer signalling, or indicated in downlink control information (DCI).
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: October 18, 2022
    Assignee: Apple Inc.
    Inventors: Gang Xiong, Alexei Davydov, Seunghee Han, Yushu Zhang, Joonyoung Cho
  • Publication number: 20220330208
    Abstract: A user equipment (UE) can include processing circuitry configured to decode physical broadcast channel (PBCH) information received from a base station (BS). The decoded PBCH information includes a scrambled PBCH payload and an unscrambled bit sequence. A scrambling sequence is generated based on time information signaling within the unscrambled bit sequence. The scrambled PBCH payload is de-scrambled using the scrambling sequence, to obtain master information block (MIB) information. System information block (SIB) information is decoded based on the MIB information. The decoded PBCH information includes cyclic redundancy check (CRC) information. The scrambled PBCH payload and the unscrambled bit sequence can be verified based on the CRC information. The time information signaling includes one or more bits of a system frame number (SFN).
    Type: Application
    Filed: May 26, 2022
    Publication date: October 13, 2022
    Inventors: Dae Won LEE, Seunghee HAN, Gregory Vladimirovich MOROZOV, Alexei DAVYDOV, Yongjun KWAK
  • Publication number: 20220321304
    Abstract: An apparatus of a New Radio (NR) User Equipment (UE), a method and system. The apparatus includes one or more processors to encode a two part CSI including: encode a two part CSI including: encoding information bits of a first channel state information (CSI) type and information bits of a second CSI part to generate, respectively, encoded bits of a first CSI part and encoded bits of a second CSI part, a payload size of the second CSI part being based on encoded bits of the first CSI part and further being encoded separately from information bits of the first CSI part; and mapping the encoded bits of the first CSI part onto a first physical resource and the encoded bits of the second CSI part onto a second physical resource different from the first physical resource; and configure the two part CSI in a long or short PUCCH for transmission to a NR evolved Node B (gNodeB).
    Type: Application
    Filed: June 23, 2022
    Publication date: October 6, 2022
    Inventors: Alexei Davydov, Gang Xiong, Yushu Zhang, Victor Alexandrovich Sergeev, Joonyoung Cho
  • Publication number: 20220321197
    Abstract: Various embodiments herein provide techniques for minimum mean-square error interference rejection combining (MMSE-IRC) processing of a received signal, distributed between a baseband unit (BBU) and a remote radio unit (RRU). The RRU may perform uplink receive beamforming (e.g., using maximum ratio combining (MRC)) based on multiple channel measurements (e.g., a set of multiple sounding reference signal (SRS) channel measurements) obtained on respective measurement signals transmitted by a user equipment (UE). The RRU may send the processed signal to the BBU for further processing. The BBU may perform MMSE-IRC based on the processed signal received from the RRU, e.g., using demodulation reference signals (DM-RSs). Other embodiments may be described and claimed.
    Type: Application
    Filed: March 15, 2022
    Publication date: October 6, 2022
    Inventors: Alexei Davydov, Artyom Putilin, Bishwarup Mondal
  • Patent number: 11463999
    Abstract: Dynamic transmission of non-zero power channel state information resource signals and interference measurement resources is described. Such dynamic transmission reduces or eliminates a need to buffer and store channel and interference measurements The described approach also reduces the overhead due to transmission of those resources and enables flexible time-domain channel state information requests.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: October 4, 2022
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Vadim Sergeyev, Gregory Morozov, Ilya Bolotin
  • Patent number: 11463141
    Abstract: Codebook designs are disclosed for full-dimensional multiple-input-multiple output (FD-MIMO) wireless cellular systems. The FD-MIMO cookbooks employ channel state information reference signals (CSI-RS). The codebook designs are used in beamforming CSI-RSs by the enhanced nodeB (eNB), where the CSI-RS is sent to the user equipment (UE), enabling the UE to perform channel estimation. The codebooks support beam selection, co-phasing between polarizations, and beam combining.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: October 4, 2022
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Yuan Zhu, Hong He