公开(公告)号：US20230156542A1

公开(公告)日：2023-05-18

申请号：US17916918

申请日：2020-04-16

Applicant: Apple Inc.

Inventor： Yuqin Chen ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Jie Cui ,  Yang Tang ,  Zhibin Wu

IPC: H04W36/00 ,  H04L5/00

CPC classification number: H04W36/0088 ,  H04L5/0096

Abstract: A system for determining and reporting user equipment (UE) time gap requirement information for performing a measurement on a reference signal provided by a target base station. A UE receives a radio resource control (RRC) message from a current base station to modify a current RRC connection. The RRC configuration message may comprise sub carrier spacing (SCS) information of one or more target frequency bands of at least one target base station. The UE may then determine gap information based at least in part on the received SCS information of the one or more target frequency bands. The gap information may indicate whether a gap is needed in performing measurements on a reference signal transmitted at each of the one or more target frequency bands. The UE then transmits the gap information to the current base station.

公开(公告)号：US20230156485A1

公开(公告)日：2023-05-18

申请号：US17916850

申请日：2020-04-08

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Chunhai Yao ,  Chunxuan Ye ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Haitong Sun ,  Hong He ,  Jie Cui ,  Oghenekome Oteri ,  Wei Zeng ,  Weidong Yang ,  Yang Tang ,  Yuchul Kim ,  Yuqin Chen

IPC: H04W16/28 ,  H04L5/00

CPC classification number: H04W16/28 ,  H04L5/0051 ,  H04W80/02

Abstract: Apparatuses, systems, and methods for overhead reduction for multi-carrier beam selection and power control. A user equipment device (UE) may receive an uplink beam configuration for a group of component carriers and may communicate using the uplink beam configuration for the group of component carriers. The UE may receive an updated uplink beam configuration for the group of component carriers. The update uplink beam configuration may include a medium access control (MAC) control element (CE) that may update a pathloss reference signal for the group of component carriers. The MAC CE may include an indication of a spatial relation for aperiodic or semi-persistent sounding reference signals for the group of component carriers, an indication of a transmission control indicator for a physical downlink control channel, an indication of an update for a physical uplink shared channel, and/or an indication of an update for a sounding reference signal.

公开(公告)号：US20230144397A1

公开(公告)日：2023-05-11

申请号：US17053278

申请日：2019-11-07

Applicant: Apple Inc.

Inventor： Chunxuan Ye ,  Weidong Yang ,  Oghenekome Oteri ,  Chunhai Yao ,  Dawei Zhang ,  Haitong Sun ,  Hong He ,  Jie Cui ,  Wei Zheng ,  Yang Tang ,  Yuchul Kim ,  Yushu Zhang

IPC: H04W72/25 ,  H04L1/00 ,  H04L1/1829

CPC classification number: H04W72/25 ,  H04L1/0057 ,  H04L1/0067 ,  H04L1/0071 ,  H04L1/1854

Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a vehicle-to-everything (V2X) capable wireless device configured to perform sidelink cellular communications. The wireless device performs sidelink communications using a two-stage sidelink control information (SCI) protocol including Stage 1 SCI messaging carried on a physical sidelink control channel (PSCCH), and Stage 2 SCI messaging carried on a physical sidelink shared channel (PSSCH). The SCI messaging may be encoded using polar codes. Channel interleaving is utilized on the SCI to interleave the SCI between two or more layers of a MIMO transmission system. Scrambling for Stage 2 SCI messaging is performed based on the result of a cyclic redundancy check (CRC) performed on Stage 1 SCI messaging. Collisions between sidelink HARQ feedback to be transmitted to a base station and other transmissions are avoided based on a priority analysis of the sidelink HARQ feedback.

公开(公告)号：US20230137109A1

公开(公告)日：2023-05-04

申请号：US17437676

申请日：2020-10-02

Applicant: Apple Inc.

Inventor： Haitong Sun ,  Yushu Zhang ,  Hong He ,  Wei Zeng ,  Dawei Zhang ,  Chunxuan Ye ,  Oghenekome Oteri ,  Sigen Ye ,  Weidong Yang ,  Chunhai Yao ,  Jie Cui ,  Yang Tang

IPC: H04L5/00

Abstract: This disclosure relates to techniques for performing physical uplink shared channel transmissions with improved reliability in a wireless communication system. The wireless device may establish a wireless link with a cellular base station. The wireless device may receive uplink data transmission configuration information from the cellular base station. The uplink data transmission configuration information may configure an uplink data transmission to multiple transmission-reception-points. The wireless device may perform the uplink data transmission to the multiple transmission-reception-points.

公开(公告)号：US20230116740A1

公开(公告)日：2023-04-13

申请号：US17441689

申请日：2021-01-13

Applicant: Apple Inc.

Inventor： Huaning Niu ,  Qiming Li ,  Dawei Zhang ,  Jie Cui ,  Manasa Raghavan ,  Xiang Chen ,  Yang Tang

IPC: H04W36/32 ,  H04W36/00

Abstract: The present application relates to devices and components including apparatus, systems, and methods to perform cell reselection. In an example, timing requirements for synchronization signal processing are defined based on a beam sweeping capability of the device. Synchronization signals are received and processed according to the timing requirements to complete a cell reselection procedure. In another example, location data of the device is used to look up a database of cell identifiers. A cell identifier is determined based on the look-up and a cell reselection procedure is performed using the cell identifier.

公开(公告)号：US11611376B2

公开(公告)日：2023-03-21

申请号：US17259468

申请日：2019-08-09

Applicant: Apple Inc.

Inventor： Hua Li ,  Jie Cui ,  Yang Tang ,  Yushu Zhang ,  Manasa Raghavan

IPC: H04B7/0408 ,  H04B7/06 ,  H04W72/04 ,  H04W72/044

Abstract: In NR, a gNB utilizes multiple antennas and beam forming techniques for downlink transmissions to UEs. Described herein are methods and apparatus by which a UE measures the quality of multiple directional beams received from a gNB.

公开(公告)号：US20230037889A1

公开(公告)日：2023-02-09

申请号：US17895362

申请日：2022-08-25

Applicant: Apple Inc.

Inventor： Chunhai Yao ,  Chunxuan Ye ,  Dawei Zhang ,  Wei Zeng ,  Yushu Zhang ,  Hong He ,  Haitong Sun ,  Weidong Yang ,  Oghenekome Oteri ,  Yuchul Kim ,  Yang Tang ,  Jie Cui

IPC: H04W72/02 ,  H04W72/04 ,  H04L1/08

Abstract: Systems, methods, and circuitries are provided for performing sidelink communication. An example method includes receiving, via frequency and time resources of a physical sidelink shared channel (PSSCH), from a second UE, a signal encoding a sequence of bits corresponding to sidelink control information (SCI) stage 2; decoding the sequence of bits based on a SCI stage 2 scrambling initialization value (Cinit) to generate SCI stage 2 for a transport block (TB), wherein Cinit is determined based on at least a portion of a physical sidelink control channel (PSCCH) cyclic redundancy check (CRC) code; and receiving the TB from the first UE based on the SCI stage 2.

公开(公告)号：US20230028356A1

公开(公告)日：2023-01-26

申请号：US17598210

申请日：2020-04-08

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Jie Cui ,  Dawei Zhang ,  Hong He ,  Yang Tang

IPC: H04B7/06 ,  H04B7/08

Abstract: A first CSI-RS signal is received by user equipment through a first cell, and a second CSI-RS signal is received through a second cell. Respective QCL information can be available to determine a first Rx beam to measure the first CSI-RS signal and a second Rx beam to measure the second CSI-RS signal. In such a case, if the first CSI-RS signal and the second CSI-RS signal are fully overlapped, then the user equipment can i) alternate between measuring the first CSI-RS signal with the first Rx beam and measuring the second CSI-RS signal with the second Rx beam, or ii) measure only the first CSI-RS signal or the second CSI-RS signal. Other embodiments are described and claimed.

公开(公告)号：US20230025902A1

公开(公告)日：2023-01-26

申请号：US17598206

申请日：2020-04-08

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Jie Cui ,  Dawei Zhang ,  Hong He ,  Murtaza A. Shikari ,  Yang Tang ,  Kim Yuchul ,  Zhibin Wu

IPC: H04W36/00 ,  H04L5/00 ,  H04W72/04

Abstract: Methods and apparatus are disclosed for a UE and its serving base station to coordinate the activation and deactivation of measurement gaps for performing positioning measurements by the UE using target positioning reference signals (PRS) during bandwidth part (BWP) switching. The UE may be configured by the serving base station to have dedicated measurement gaps. The UE determines if a legacy measurement gap used for mobility measurements or a scheduled data transmission collides with the dedicated measurement gaps. If there is a collision, the UE performs the mobility measurement using the legacy measurement gap or transmits the scheduled data. If there is no collision, the UE receives the PRS to perform the positioning measurement during the dedicated measurement gaps. In one embodiment, based on the status of the active BWP and the target PRS, the UE or the base station may activate or deactivate measurement gaps for the positioning measurements.

公开(公告)号：US11509407B2

公开(公告)日：2022-11-22

申请号：US17267769

申请日：2019-08-09

Applicant: Apple Inc.

Inventor： Hua Li ,  Jie Cui ,  Yang Tang ,  Tom Harel ,  Rui Huang

IPC: H04B17/318 ,  H04B17/24 ,  H04B17/336

Abstract: Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for accuracy measurements in UE baseband-demodulation-performance tests in new radio (NR) frequency range 2 (FR2) operations. The accuracy measurements includes, but not limited to, reference signal received power (RSRP) accuracy, reference signal received quality (RSRQ), and signal-to-noise and interference (SINR) accuracy. Various embodiments describe how to measure RSRP/RSRQ/SINR accuracies in an over-the-air (OTA) test environment in NR FR2 operations.