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公开(公告)号：US11736151B2
公开(公告)日：2023-08-22
申请号：US17283212
申请日：2019-09-27
Applicant: Apple Inc.
Inventor： Zhibin Yu , Huiqiang Zhou
CPC classification number: H04B7/01 , H04B7/005 , H04B17/309 , H04L25/0202 , H04W4/027 , H04W4/40
Abstract: A communication device includes one or more processors, configured to receive data representing each of at least a first waveform and a second waveform from a common control channel and data representing a third waveform from a data channel associated with the control channel; determine from the received data, channel state information for each of the first waveform and the second waveform; determine a Doppler shift between the channel state information for the first waveform and the channel state information for the second waveform; compare the determined Doppler shift to a predetermined Doppler shift threshold; and if the determined Doppler shift is less than the predetermined Doppler shift threshold, adjust the third received waveform by the determined Doppler shift and decode the adjusted third received waveform.
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22.发明授权公开(公告)号：US11509412B2
公开(公告)日：2022-11-22
申请号：US17261706
申请日：2019-08-19
Applicant: Apple Inc.
Inventor： Zhibin Yu , Dae Won Lee
Abstract: Systems and methods of initial acquisition in a NR system are described. A UE receives time and frequency superposed SSBs from a gNB. If the PSS and SSS of each SSB is independent of a block index of the SSB, the UE receives an additional reference signal scrambled by a beam index of the SSB and uses the reference signal to discriminate between the SSBs. The reference signal is FDMed within a null-subcarrier region of the SSB or outside of the SSB. If the PSS and SSS of each SSB is scrambled using the block index, the UE separates the PBCH measurements, iteratively identifies a block index associated with a DMRS of the PBCH with the highest L1-RSRP level measurement, decodes and reconstructs the PBCH, and subtracts the reconstructed PBCH from the SSB before transmitting an indication of the PBCH with the highest L1-RSRP level measurement to the gNB.
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公开(公告)号：US11463212B2
公开(公告)日：2022-10-04
申请号：US16768460
申请日：2017-12-29
Applicant: Apple Inc.
Inventor： Zhibin Yu , Michael Ruder , Holger Neuhaus , Yeong-Sun Hwang , Bertram Gunzelmann
Abstract: A communication device comprises a receiver including at least two receive antennas and configured to receive at least one reference signal of a plurality of reference signals, each reference signal being transmitted from at least one base station at a predefined reference signal transmission time; a controller configured to switch between at least two receive configurations of the at least two antennas during a reception period of the at least one reference signal; and a signal quality determiner configured to determine a parameter indicative of a first signal quality of the received reference signal for each receive configuration.
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公开(公告)号：US20220095189A1
公开(公告)日：2022-03-24
申请号：US17310955
申请日：2020-05-02
Applicant: APPLE INC.
Abstract: A method of a user equipment (UE) performing cell re-selection in New Radio (NR) unlicensed (NR-U) idle mode includes performing cell re-selection associated with a selected public land mobile network (PLMN) in New Radio (NR) unlicensed (NR-U) idle mode. Performing cell re-selection in NR-U idle mode further comprises determining a best cell associated with the selected PLMN based on one or more measurements. At least one of the one or more measurements may comprise a channel occupancy measurement. Performing cell re-selection in NR-U idle mode further comprises camping on the best cell and periodically searching for cells that are determined to be better than the best cell based on the one or more measurements.
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公开(公告)号：US12192918B2
公开(公告)日：2025-01-07
申请号：US17276382
申请日：2019-08-13
Applicant: Apple Inc.
Abstract: This disclosure relates to a baseband processor for processing down-converted and quantized radio frequency, RF, signals of an RF transceiver in baseband, wherein the baseband processor is configured to: detect an RF operation mode switching of the RF transceiver, and initiate a change of a voltage setting and an associated system clock rate of the baseband processor based on detecting the operation mode switching of the RF transceiver.
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Patent Agency Ranking
26.发明授权公开(公告)号：US12167435B2
公开(公告)日：2024-12-10
申请号：US17268198
申请日：2019-08-20
Applicant: Apple Inc.
Inventor： Li Hua , Yang Tang , Jie Cui , Manasa Raghavan , Zhibin Yu
IPC: H04W72/542 , H04L5/00 , H04W24/08 , H04W72/23
Abstract: A device of a New Radio (NR) User Equipment (UE), a method and a machine readable medium to implement the method. The device includes a Radio Frequency (RF) interface, and processing circuitry coupled to the RF interface, the processing circuitry to: decode a signal from a NR evolved node B (gNodeB) including an indication of one or more control resource sets (CORESETs); select a CORESET based on the indication; and determine a downlink radio link quality based on the CORESET.
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公开(公告)号：US12114213B2
公开(公告)日：2024-10-08
申请号：US17593804
申请日：2020-05-08
Applicant: Apple Inc.
CPC classification number: H04W36/0072 , H04L5/0051 , H04W36/06 , H04W36/08 , H04W52/367 , H04W52/42
Abstract: A user equipment (UE) in a wireless network including a first next generation NodeB (gNB) and a second gNB for communicating with the UE performs operations. The operations include determining to transmit a first transmission (Tx) stream and a second Tx stream simultaneously to the first gNB and the second gNB for handing over communication with the UE from a first cell to a second cell, wherein the first gNB is a serving gNB in the first cell and the second gNB is a handover target gNB in the second cell and simultaneously transmitting within a same antenna panel of the UE the first transmission stream to the first gNB using a first polarization and the second transmission stream to the second gNB using a second polarization different from the first polarization.
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公开(公告)号：US11516749B2
公开(公告)日：2022-11-29
申请号：US17041881
申请日：2018-07-20
Applicant: Apple Inc.
Inventor： Tobias Scholand , Francois Deparis , Yanzhong Dai , Dun Liu , Jun Zhou , Qingyun Guo , Weijie Sun , Donghui Guo , Jun Wang , Wei Jiang , Daguo Li , Yubao Li , Baoyu Sun , Huiqiang Zhou , Xuanbing Liu , Zhibin Yu , Ningbo Gao
Abstract: Embodiments disclosed herein provide various aspects that would allow for Vehicle to Everything (V2X) or peer-to-peer (P2P) or sidelink (SL) communications. In an embodiment, a communication device may include: a memory for storing computer-readable instructions; and processing circuitry, configured to process the instructions stored in the memory to: obtain a first path loss between the communication device and a base station, wherein the communication device is coupled to the base station; calculate a second path loss based on one or more sidelink reference signal received power (S-RSRP) indicators received by the communication device, wherein the S-RSRP indicators are received from one or more communication devices within a communication range of the communication device; and determine a transmit (Tx) power of the communication device based on the first path loss and the second path loss.
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公开(公告)号：US20220191762A1
公开(公告)日：2022-06-16
申请号：US17598137
申请日：2020-07-15
Applicant: Apple Inc.
Abstract: The present application relates to wireless devices and components including apparatus, systems, and methods for two-stage cell reselection in New Radio (NR) systems operating on unlicensed spectrum. In some embodiments, a user equipment may be perform a pre-check of a public land mobile network associated with a target cell prior to cell reselection.
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公开(公告)号：US20220159772A1
公开(公告)日：2022-05-19
申请号：US17440526
申请日：2020-05-08
Applicant: Apple Inc.
Inventor： Manasa Raghavan , Jie Cui , Yang Tang , Qiming Li , Zhibin Yu
IPC: H04W76/20
Abstract: Systems, devices, and techniques for wireless communications based on one or more transmission configuration indicator (TCI) states are described. A described technique performed by a user equipment (UE) includes receiving a first downlink channel based on a current TCI state; receiving a physical downlink shared channel (PDSCH) in a first slot, the PDSCH carrying a radio resource control (RRC) activation command in the first slot, the RRC activation command indicating a switch to a target TCI state; waiting until an end of a switching period triggered by the RRC activation command to use the target TCI state, the switching period being based on a RRC processing delay; and receiving, based on the end of the switching period, a second downlink channel based on the target TCI state in a second slot.
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