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    REDUCED CSI (CHANNEL STATE INFORMATION)-RS (REFERENCE SIGNAL) DENSITY SUPPORT FOR FD (FULL DIMENSIONAL)-MIMO (MULTIPLE INPUT MULTIPLE OUTPUT) SYSTEMS
    11.
    发明申请
    REDUCED CSI (CHANNEL STATE INFORMATION)-RS (REFERENCE SIGNAL) DENSITY SUPPORT FOR FD (FULL DIMENSIONAL)-MIMO (MULTIPLE INPUT MULTIPLE OUTPUT) SYSTEMS 有权

    公开(公告)号：US20220295496A1

    公开(公告)日：2022-09-15

    申请号：US17745112

    申请日：2022-05-16

    Applicant: Apple Inc.

    Inventor： Alexei Davydov ,  Gregory V. Morozov ,  Sameer Pawar

    IPC: H04W72/08 ,  H04B17/336 ,  H04J13/16 ,  H04L5/00 ,  H04W72/04

    Abstract: Techniques discussed herein can facilitate reduced density CSI (Channel State Information)-RS (Reference Signals). One example embodiment can be employed at a UE (User Equipment) and can comprise processing circuitry configured to receive and process a configuration message that comprises one or more configuration parameters for one or more CSI (Channel State Information)-RS (Reference Signal) APs (Antenna Ports) of a configurable density CSI-RS. The configuration parameters indicate a density of CSI-RS resource per Physical Resource Block (PRB) per CSI-RS AP and a PRB offset. The processing circuitry is further configured to determine a set of REs (Resource Elements) for the one or more CSI-RS APs of the configurable density CSI-RS based on the one or more configuration parameters and perform measurements on the configurable density CSI-RS from the set of REs to determine one or more CSI parameters. The one or more configuration parameters are provided per CSI-RS resource configuration.

    SYNCHRONIZATION SIGNAL TRANSMISSION TECHNIQUES
    12.
    发明申请
    SYNCHRONIZATION SIGNAL TRANSMISSION TECHNIQUES 有权

    公开(公告)号：US20210409111A1

    公开(公告)日：2021-12-30

    申请号：US17447463

    申请日：2021-09-13

    Applicant: APPLE INC.

    Inventor： Dae Won Lee ,  Seunghee Han ,  Gregory V. Morozov ,  Alexei Davydov ,  Hong He

    IPC: H04B7/26 ,  H04L27/26 ,  H04W56/00

    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) 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).

    LONG TERM EVOLUTION (LTE) CONTROL REGION FOR DOWNLINK TRANSMISSIONS FOR ENHANCED MACHINE TYPE COMMUNICATIONS (EMTC)
    13.
    发明申请
    LONG TERM EVOLUTION (LTE) CONTROL REGION FOR DOWNLINK TRANSMISSIONS FOR ENHANCED MACHINE TYPE COMMUNICATIONS (EMTC) 有权

    公开(公告)号：US20210168577A1

    公开(公告)日：2021-06-03

    申请号：US17265777

    申请日：2019-08-08

    Applicant: APPLE INC.

    Inventor： Qiaoyang Ye ,  Gregory V. Morozov ,  Debdeep Chatterjee

    IPC: H04W4/70 ,  H04W72/04 ,  H04W8/24

    Abstract: Technology for an eNodeB operable to perform downlink (DL) transmissions using a Long Term Evolution (LTE) control region of a subframe for enhanced machine type communication (eMTC) is disclosed. The eNodeB can encode a system information block type 1 bandwidth reduced (SIB1-BR) for transmission 5 to a bandwidth reduced low complexity or coverage enhancement (BL/CE) user equipment (UE). The SIB1-BR can include an indication that the LTE control region in the subframe includes information for at least one of a machine type communication (MTC) physical downlink control channel (MPDCCH) transmission or a physical downlink shared channel (PDSCH) transmission. 10 The eNodeB can encode at least one of the MPDCCH transmission or the PDSCH transmission for delivery in a downlink over the LTE control region in the subframe to the BL/CE UE.

    Interference aware beam selection for NR (new radio)
    18.
    发明授权
    Interference aware beam selection for NR (new radio) 有权

    公开(公告)号：US11088751B2

    公开(公告)日：2021-08-10

    申请号：US16305986

    申请日：2017-06-05

    Applicant: Apple Inc.

    Inventor： Alexei Davydov ,  Victor Sergeev ,  Gregory V. Morozov

    IPC: H04B7/06 ,  H04B17/318 ,  H04B17/345 ,  H04B7/08

    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.

    CHANNEL QUALITY MEASUREMENT REPORTING
    19.
    发明申请
    CHANNEL QUALITY MEASUREMENT REPORTING 有权

    公开(公告)号：US20210219166A1

    公开(公告)日：2021-07-15

    申请号：US17263463

    申请日：2019-08-02

    Applicant: APPLE INC.

    Inventor： Gregory V. Morozov ,  Debdeep Chatterjee ,  Bharat Shrestha ,  Qiaoyang Ye

    IPC: H04W24/10 ,  H04W74/08 ,  H04W4/70 ,  H04W80/02 ,  H04L1/20 ,  H04W8/24

    Abstract: Technology for a user equipment (UE) operable to perform downlink (DL) channel quality measurement reporting is disclosed. The UE can decode a system information block type y bandwidth reduced (SIBy-BR) received from an eNodeB. The SIB1-BR can instruct the UE to include a DL channel quality measurement report in a message 3 (Msg3) transmitted during a random access procedure between the UE and the eNodeB, wherein y is a positive integer greater than or equal to 1. The UE can determine a DL channel quality measurement for a DL channel between the UE and the eNodeB. The UE can encode the Msg3 for delivery over an uplink channel to the eNodeB. The Msg3 can be delivered during the random access procedure and can include the DL channel quality measurement report with the DL channel quality measurement.

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