公开(公告)号：US20240015070A1

公开(公告)日：2024-01-11

申请号：US18470699

申请日：2023-09-20

Applicant: APPLE INC.

Inventor： Honglei MIAO ,  Jeongho JEON ,  Alexei DAVYDOV ,  Hong HE ,  Debdeep CHATTERJEE ,  Joonyoung CHO ,  Daewon LEE ,  Gang XIONG

IPC: H04L41/0896 ,  H04W16/32 ,  H04W76/28 ,  H04L5/00 ,  H04W72/0453

CPC classification number: H04L41/0896 ,  H04W16/32 ,  H04W76/28 ,  H04L5/00 ,  H04L5/0098 ,  H04L5/001 ,  H04W72/0453 ,  H04W76/27

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.

公开(公告)号：US20230164738A1

公开(公告)日：2023-05-25

申请号：US18101101

申请日：2023-01-24

Applicant: Apple Inc.

Inventor： Yushu ZHANG ,  Guotong WANG ,  Alexei DAVYDOV ,  Gang XIONG

IPC: H04W64/00 ,  H04W76/28 ,  H04L1/20 ,  H04L5/00 ,  H04W56/00 ,  H04W72/0446 ,  H04W80/08 ,  H04W72/30

CPC classification number: H04W64/003 ,  H04W76/28 ,  H04L1/203 ,  H04L5/0007 ,  H04L5/0051 ,  H04W56/001 ,  H04W72/0446 ,  H04W80/08 ,  H04W72/30

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 process a Tracking Reference Signal (TRS) transmission and to process a Synchronization Signal block (SS-block) transmission. The second circuitry may be operable to measure a reference signal parameter based on the TRS transmission and the SS-block transmission.

公开(公告)号：US20220247540A1

公开(公告)日：2022-08-04

申请号：US17660102

申请日：2022-04-21

Applicant: Apple Inc.

Inventor： Gang XIONG ,  Hyejung JUNG ,  Ralf BENDLIN ,  Jong-Kae FWU ,  Alexei DAVYDOV

IPC: H04L5/00 ,  H04L1/00 ,  H04W72/04

Abstract: Briefly, in accordance with one or more embodiments, apparatus of an evolved NodeB (eNB) comprises circuitry to configure one or more parameters for a 5G master information block (xMIB). The xMIB contains at least one of the following parameters: downlink system bandwidth, system frame number (SFN), or configuration for other physical channels, or a combination thereof. The apparatus of the eNB comprises circuitry to transmit the xMIB via a 5G physical broadcast channel (xPBCH) on a predefined resource, the xPBCH comprising a xPBCH. The xPBCH may use a DM-RS based transmission mode, and a beamformed xPBCH may be used for mid band and high band.

公开(公告)号：US20220216964A1

公开(公告)日：2022-07-07

申请号：US17430857

申请日：2020-02-16

Applicant: Apple Inc.

Inventor： Bishwarup MONDAL ,  Avik SENGUPTA ,  Alexei DAVYDOV ,  Yushu ZHANG

IPC: H04L5/00

Abstract: Some embodiments of this disclosure include systems, apparatuses, methods, and computer-readable media for a single downlink control information (DCI) signal that supports multi-transmission reception point (TRP) transmissions from different TRPs (e.g., different 5G Node Bs or different antenna panels.) A user equipment (UE) receives a single DCI signal that includes a first transmission configuration indicator (TCI) state of a first TRP, a second TCI state of a second TRP, and a demodulation reference signal (DMRS) port indication value. The UE uses the DMRS port indication value to determine a first DMRS port and a first code division multiplexing (CDM) group of the first TCI state and a second DMRS port and a second CDM group of the second TCI state. The UE receives a multi-Physical Downlink Shared Channel (PDSCH) signal that includes multi-TRP transmissions, and uses the above determinations to decode data from the first and/or the second TCI states.

公开(公告)号：US20220116252A1

公开(公告)日：2022-04-14

申请号：US17421984

申请日：2020-01-09

Applicant: Apple Inc.

Inventor： Gang XIONG ,  Yushu ZHANG ,  Daewon LEE ,  Alexei DAVYDOV ,  Seunghee HAN ,  Jie Zhu

IPC: H04L27/26 ,  H04L5/00

Abstract: For single carrier based waveform, Discrete Fourier Transform-spread-OFDM (DFT-s-OFDM) and single carrier with a frequency domain equalizer (SC-FDE) can be considered for both DL and UL. For OFDM based transmission scheme including DFT-s-OFDM, a cyclic prefix (CP) is inserted at the beginning of each block, where the last data symbols in a block is repeated as the CP. Typically, the length of CP exceeds the maximum expected delay spread in order to overcome the inter-symbol interference (ISI). For SC-FDE transmission scheme, a known sequence (guard interval (GI), unique word (UW), etc.) can be inserted at both the beginning and end of one block. Further, a linear equalizer in the frequency domain can be employed to reduce the receiver complexity. Compared to OFDM, SC-FDE transmission scheme can reduce Peak to Average Power Ratio (PAPR) and thus allow the use of less costly power amplifier.

公开(公告)号：US20220116247A1

公开(公告)日：2022-04-14

申请号：US17280461

申请日：2019-09-26

Applicant: Apple Inc.

Inventor： Avik SENGUPTA ,  Bishwarup MONDAL ,  Alexei DAVYDOV ,  Sameer PAWAR

IPC: H04L25/02 ,  H04B7/08 ,  H04L5/00

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for user equipment (UE) idle mode operations. In embodiments, a UE wakes up more than once during a Discontinuous Reception (DRX) cycle. Inter-frequency measurement requirements may be relaxed based on DRX cycle length. Some embodiments include radiofrequency (RF) circuitry warm-up overhead reduction by on-duration separation with RF circuitry switching pattern adaption. Some embodiments include and RF circuitry warm-up overhead reduction by adaptive synchronization signal block (SSB) reference symbol down-selection. Other embodiments may be described and/or claimed.

公开(公告)号：US20240381264A1

公开(公告)日：2024-11-14

申请号：US18779608

申请日：2024-07-22

Applicant: APPLE INC.

Inventor： Yushu ZHANG ,  Alexei DAVYDOV ,  Gang XIONG ,  Guotong WANG ,  Hong HE

IPC: H04W52/02 ,  H04W72/20

Abstract: Some embodiments of this disclosure include apparatuses and methods for uplink panel selection with power saving. In some embodiments, user equipment (UE) may experience a positional change. In response, the UE may deactivate a first communication panel to save power and activate a second communication panel. The UE may then transmit a status message to a communication node indicating the activation and/or deactivation. The node may then register this activation and/or deactivation. In some embodiments, the node may monitor uplink slots from the first and second communication panel to identify the activation and deactivation. For example, if the node detects an absence of an uplink signal within a slot threshold, the node may identify the panel as being deactivated. The node may establishing communications with another panel based on a detected signal and/or the status message.

公开(公告)号：US20230362947A1

公开(公告)日：2023-11-09

申请号：US18352324

申请日：2023-07-14

Applicant: Apple Inc.

Inventor： Yushu ZHANG ,  Alexei DAVYDOV ,  Guotong WANG ,  Gang XIONG

IPC: H04W72/23 ,  H04L5/00 ,  H04W52/08 ,  H04W52/24 ,  H04W72/0446

CPC classification number: H04W72/23 ,  H04L5/0051 ,  H04W52/08 ,  H04W52/242 ,  H04W72/0446

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for uplink beam management and power control in wireless communications systems. Disclosed embodiments include beam management and power control enhancements for Physical Uplink Shared Channel (PUSCH), Sounding Reference Signal (SRS), and Physical Uplink Control Channel (PUSCH) transmissions. Other embodiments may be described and/or claimed.

公开(公告)号：US20220224567A1

公开(公告)日：2022-07-14

申请号：US17582420

申请日：2022-01-24

Applicant: Apple Inc.

Inventor： Yushu ZHANG ,  Alexei DAVYDOV ,  Hong HE ,  Gang XIONG ,  Sameer PAWAR ,  Guotong WANG

IPC: H04L25/02 ,  H04L5/00 ,  H04W72/04 ,  H04W72/14 ,  H04W80/08

Abstract: Described is an apparatus of a User Equipment (UE). The apparatus may comprise a first circuitry and a second circuitry. The first circuitry may be operable to process a message carrying an indicator to indicate a selection of a Sounding Reference Signal (SRS) resource set, wherein the message is received from a gNB. The second circuitry may be operable to generate an SRS transmission, based on the indicator. The apparatus may comprise an interface to send the SRS transmission to a transmission circuitry.

公开(公告)号：US20220131676A1

公开(公告)日：2022-04-28

申请号：US17429973

申请日：2020-02-14

Applicant: Apple Inc.

Inventor： Yushu ZHANG ,  Gang XIONG ,  Guotong WANG ,  Alexei DAVYDOV

IPC: H04L5/00

Abstract: Disclosed are systems, methods, and one or more computer-readable media (CRM) storing instructions for the triggering of a channel state information reference signal (CSI-RS) by user equipment (UE) in a wireless cellular network. The UE measures a downlink reference signal. The UE also determines a condition for triggering a channel state information reference signal (CSI-RS) is satisfied based on the downlink reference signal. Then, the UE transmits a request for a base station of the wireless cellular network to provide the CSI-RS to the UE based on the condition being satisfied.