公开(公告)号：US12107786B2

公开(公告)日：2024-10-01

申请号：US17440103

申请日：2020-02-12

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Dawei Zhang ,  Haitong Sun ,  Wei Zeng ,  Weidong Yang

IPC: H04L5/00 ,  H04L1/1867

CPC classification number: H04L5/0048 ,  H04L1/1896

Abstract: Some embodiments include an apparatus, method, and computer program product for tracking reference signal (TRS) support of high speed use cases of 5G communications in a single frequency network (SFN), where a user equipment (UE) can measure a Doppler offset of a combined signal from two or more transmission reception points (TRPs) of the 5G communications system. A 5G node B (gNB) node can transmit a periodic, semi-persistent (SP), or aperiodic TRS with high measurement density that the UE uses to measure a Doppler offset of a combined signal. For example, the gNB can: trigger the aperiodic TRS based on a downlink assignment; and/or use lower layer signaling to arrange to transmit a semi-persistent TRS or a periodic TRS with a reduced periodicity. In some embodiments, the gNB can measure the Doppler offset based on an uplink signal, and transmit a TRS based on a pre-compensated Doppler frequency.

公开(公告)号：US12101656B2

公开(公告)日：2024-09-24

申请号：US17440583

申请日：2020-08-05

Applicant: Apple Inc.

Inventor： Haitong Sun ,  David Neumann ,  Dawei Zhang ,  Ghaith N. Hattab ,  Ismael Gutierrez Gonzalez ,  Wei Zeng ,  Yeong-Sun Hwang ,  Yushu Zhang ,  Ziyang Ju

IPC: H04W72/0446 ,  H04B7/06 ,  H04L5/00 ,  H04L25/00 ,  H04W24/10

CPC classification number: H04W24/10 ,  H04B7/0626 ,  H04L5/0051

Abstract: An approach is described for a user equipment (UE) to receive a channel state information (CSI) reporting configuration message from a source device of a first cell and receive a channel state information reference signal (CSI-RS) from a second cell via the source device. The UE determines a first number of CSI-RS resources of a first time slot duration corresponding to the first cell, a second number of CSI-RS resources of a second time slot duration corresponding to the second cell, an overall time slot duration based on the first and the second time slot duration, an overall number of CSI-RS resources of the overall time slot duration based at least on the first and the second number of CSI-RS resource, generates a capability report at least based on the overall number of CSI-RS resource, and transmits the capability report to the source device.

公开(公告)号：US20240314581A1

公开(公告)日：2024-09-19

申请号：US18676254

申请日：2024-05-28

Applicant: Apple Inc.

Inventor： Manasa Raghavan ,  Qiming Li ,  Dawei Zhang ,  Huaning Niu ,  Jie Cui ,  Panagiotis Botsinis ,  Sameh M. Eldessoki ,  Xiang Chen ,  Yang Tang

IPC: H04W16/28 ,  H04B17/318 ,  H04L5/00

CPC classification number: H04W16/28 ,  H04B17/328 ,  H04L5/0051

Abstract: Methods and systems to activate beams for beam switching based on measurements of a downlink reference signal that is QCL Type-D with a downlink pathloss reference signal are disclosed. A UE may measure and report to a base station the RSRP of the reference signal that is QCL Type-D with a target downlink pathloss reference signal. Based on the reported RSRP measurements, the base station may activate the target pathloss reference signal to command the UE to update the pathloss measurements of the target pathloss reference signal for uplink power control of a beam corresponding to the target pathloss reference signal. The UE may determine whether the target pathloss reference signal is considered known for uplink power control based on the timing relationship among the reception of the reference signal from the base station, the transmission of the RSRP measurement of the reference signal, and reception of the activation command.

公开(公告)号：US12096463B2

公开(公告)日：2024-09-17

申请号：US17593821

申请日：2020-09-24

Applicant: Apple Inc.

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

IPC: H04W72/53 ,  H04W72/23

CPC classification number: H04W72/53 ,  H04W72/23

Abstract: A method for wireless communication includes: requesting transmission, by a wireless device, of uplink (UL) transmissions to a wireless station; receiving, by the wireless device, a UL cancellation indication (CI) to be applied to a determined reference region; determining, by the wireless device, a set of UL resources for cancellation based on the UL CI received from the wireless station (e.g., by determining an indication of particular interlaces and/or particular Physical Resource Blocks within such interlaces that are to be canceled), wherein at least a subset of the UL resources for cancellation are interlaced; and canceling, by the wireless device, UL transmissions over at least the determined set of UL resources for cancellation (i.e., additional UL transmissions may be cancelled, too). The wireless device may then perform UL transmissions that do not overlap with the determined set of UL resources for cancellation in any UL CI to the wireless station.

公开(公告)号：US12096347B2

公开(公告)日：2024-09-17

申请号：US17593245

申请日：2021-03-31

Applicant: APPLE INC.

Inventor： Haitong Sun ,  Chunxuan Ye ,  Dawei Zhang ,  Hong He ,  Huaning Niu ,  Manasa Raghavan ,  Sigen Ye ,  Wei Zeng ,  Yushu Zhang

IPC: H04W48/18 ,  H04W48/16

CPC classification number: H04W48/18 ,  H04W48/16

Abstract: Switching schemes at a mobile device may include, in response to being within range of a transmission and reception point (TRP) of a plurality of TRPs associated with a high speed train (HST), decoding a communication received from a network. The communication may include a first radio resource control (RRC) information element (IE) having an HST configuration associated with an HST scheme. The HST configuration may be applied to thereby operate using the HST scheme. In response to being out of range of the plurality of TRPs associated with the HST, a communication received from the network may be decoded. The communication may include a second RRC IE having a non-HST configuration associated with a non-HST scheme. The non-HST configuration may be applied to thereby operate using the non-HST scheme.

公开(公告)号：US12089209B2

公开(公告)日：2024-09-10

申请号：US17440165

申请日：2020-07-29

Applicant: Apple Inc.

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

IPC: H04W72/1273 ,  H04L1/00 ,  H04L1/08 ,  H04L5/00 ,  H04W72/044 ,  H04W72/0446 ,  H04W72/0453

CPC classification number: H04W72/1273 ,  H04L1/0061 ,  H04L1/08 ,  H04L5/0051 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/0466

Abstract: The present application relates to devices and components including apparatus, systems, and methods for system information scheduling for reduced capability devices in wireless communication systems.

公开(公告)号：US12089182B2

公开(公告)日：2024-09-10

申请号：US17438147

申请日：2020-10-22

Applicant: Apple Inc.

Inventor： Zhibin Wu ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Longda Xing ,  Sethuraman Gurumoorthy ,  Srirang A. Lovlekar ,  Yuqin Chen

IPC: H04W68/06 ,  H04W68/02 ,  H04W68/04

CPC classification number: H04W68/06 ,  H04W68/02 ,  H04W68/04

Abstract: This disclosure relates to a relay user equipment device (UE) assisting one or more remote UEs in performing a radio access network notification area (RNA) update procedure in a cellular communication system. The relay UE establishes a first relay connection with a first remote device. The first relay connection relays communications between the first remote device and a network. The relay UE transmits a first message to the network to initiate the RNA update procedure for the first remote device, receives an acknowledgment message from the network including updated connection information for the first remote device, and transmits the updated connection information to the first remote device.

公开(公告)号：US12082017B2

公开(公告)日：2024-09-03

申请号：US17593407

申请日：2020-08-04

Applicant: Apple Inc.

Inventor： Weidong Yang ,  Amir Farajidana ,  Chunhai Yao ,  Chunxuan Ye ,  Dawei Zhang ,  Haitong Sun ,  Hong He ,  Jie Cui ,  Keith W. Saints ,  Linbo Li ,  Oghenekome Oteri ,  Sigen Ye ,  Wei Zeng ,  Wei Zhang ,  Yang Tang ,  Yushu Zhang

IPC: H04W24/08 ,  H04W72/0453 ,  H04W72/23 ,  H04W72/51

CPC classification number: H04W24/08 ,  H04W72/0453 ,  H04W72/23 ,  H04W72/51

Abstract: A base station of a network provides a user equipment (UE) with information relating to monitoring a Physical Downlink Control Channel (PDCCH) of multiple component carrier (CCs) in a carrier aggregation (CA) scheme. The base station configures a first CC and a second CC of a CA combination for a user equipment (UE) and provides the UE with information for the CA combination, wherein the information comprises an indication whether the first CC and the second CC are collocated.

公开(公告)号：US12081495B2

公开(公告)日：2024-09-03

申请号：US17593799

申请日：2021-08-05

Applicant: Apple Inc.

Inventor： Haitong Sun ,  Dawei Zhang ,  Hong He ,  Oghenekome Oteri ,  Seyed Ali Akbar Fakoorian ,  Wei Zeng ,  Weidong Yang ,  Yushu Zhang

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0094 ,  H04L5/0048 ,  H04L5/0051 ,  H04L27/2605 ,  H04L27/2607

Abstract: A base station is configured to determine a sounding reference signal (SRS) configuration that has a plurality of cyclic shifts for a comb 8 SRS, a plurality of user equipment (UE) ports for transmitting the comb 8 SRS and a mapping of the plurality of cyclic shifts to the plurality of UE ports. The base station is further configured to transmit the SRS configuration to the UE.

公开(公告)号：US12081493B2

公开(公告)日：2024-09-03

申请号：US17441600

申请日：2021-01-14

Applicant: Apple Inc.

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

IPC: H04L5/00 ,  H04W72/20

CPC classification number: H04L5/0091 ,  H04L5/0051 ,  H04W72/20

Abstract: Some embodiments include an apparatus, method, and computer program product for enhanced direct secondary cell activation in a 5G wireless communications system. A user equipment (UE) can receive a Radio Resource Control (RRC) command from a 5G Node B (gNB) via a Primary Cell (PCell) or via a Primary Secondary Cell (PSCell) that includes configuration data for a Secondary Cell (SCell), where the SCell operates in Frequency Range 2 (FR2). The RRC command includes a first Transmission Configuration Indicator (TCI) state for the SCell, and the UE can activate the SCell for the UE based at least on the configuration data, concurrently with the first TCI state for receiving the PDCCH transmission. The UE can receive a Physical Downlink Control Channel (PDCCH) transmission via a first antenna beam from the SCell, where the first antenna beam is based on the first TCI state.