公开(公告)号：US20220312233A1

公开(公告)日：2022-09-29

申请号：US17437403

申请日：2020-09-15

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Haitong Sun ,  Huaning Niu ,  Jie Cui ,  Manasa Raghavan ,  Wei Zeng ,  Weidong Yang ,  Yakun Sun ,  Yang Tang

IPC: H04W24/08 ,  H04W8/24 ,  H04B7/06

Abstract: Apparatuses, systems, and methods for beam indication latency reduction via symbol level beam sweeping capability reporting. A wireless device may transmit, to a base station, a report associated with symbol level beam sweeping. The wire wireless device may receive, from the base station, a symbol level beam sweeping configuration. The symbol level beam sweeping configuration may be based, at least in part, on the report. The wireless device may perform synchronization signal block (SSB) measurements according to the report and the symbol level beam sweeping configuration.

公开(公告)号：US20220312224A1

公开(公告)日：2022-09-29

申请号：US17437540

申请日：2020-09-16

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Chunhai Yao ,  Dawei Zhang ,  Haitong Sun ,  Hong He ,  Huaning Niu ,  Oghenekome Oteri ,  Seyed Ali Akbar Fakoorian ,  Sigen Ye ,  Wei Zeng ,  Weidong Yang

IPC: H04W16/28 ,  H04W52/24 ,  H04L5/00

Abstract: This disclosure relates to techniques for signaling a quasi-colocation (QCL) update in a wireless communication system. A network or base station may indicate to a UE to change a spatial relationship for transmission/reception. The base station may provide aperiodic reference signals for the UE to use in beam tracking according to the new spatial relationship. Optionally, the base station may also provide aperiodic reference signals for time, frequency, and/or phase tracking. Thus, the network may configure the UE to change to the new spatial relationship and use the aperiodic reference signals to quickly complete initial tracking operations.

公开(公告)号：US11457458B2

公开(公告)日：2022-09-27

申请号：US16739916

申请日：2020-01-10

Applicant: Apple Inc.

Inventor： Yuchul Kim ,  Jia Tang ,  Yang Li ,  Wei Zeng ,  Haitong Sun ,  Yu Zhang ,  Zhu Ji ,  Dawei Zhang

IPC: H04W72/12 ,  H04W72/04 ,  H04L5/00 ,  H04W76/28 ,  H04W76/27

Abstract: This disclosure relates to techniques for a wireless device to dynamically adapt its bandwidth use using network scheduling information in a cellular communication system. A radio resource control connection between a cellular base station and a wireless device may be established. The wireless device may receive network scheduling information from the cellular base station. The wireless device may dynamically select a receive bandwidth for receiving transmissions from the cellular base station based at least in part on the network scheduling information.

公开(公告)号：US20220304035A1

公开(公告)日：2022-09-22

申请号：US17439375

申请日：2020-10-19

Applicant: Apple Inc.

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

IPC: H04W72/12 ,  H04L1/08

Abstract: The present application relates to devices and components including apparatus, systems, and methods for physical uplink shared channel transmissions with repetitions on different beams with different configurations.

公开(公告)号：US20220303858A1

公开(公告)日：2022-09-22

申请号：US17593425

申请日：2020-05-15

Applicant: APPLE INC.

Inventor： Yushu Zhang ,  Chunhai Yao ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Haitong Sun ,  Wei Zeng

IPC: H04W36/30 ,  H04W36/00

Abstract: Performing a UE-triggered lower layer-based handover may include, based on measurements associated with both a source gNB and a target gNB, determining that a UE-triggered handover utilizing layer 1 or layer 2 is to be performed. First uplink resources configured by the source gNB for a dedicated scheduling request may be determined. The dedicated scheduling request may be generated at the UE to request second uplink resources from the gNB for a physical uplink shared channel (PUSCH) a handover request in a media access control (MAC) control element (CE). The handover request carried by the MAC CE for the source gNB may be generated. In response to the handover request, a handover command from the source gNB associated with performing a handover procedure from the source gNB to the target gNB may be processed.

公开(公告)号：US20220303054A1

公开(公告)日：2022-09-22

申请号：US17442021

申请日：2020-05-15

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Wei Zeng ,  Dawei Zhang ,  Haitong Sun ,  Weidong Yang ,  Sigen Ye ,  Jie Cui ,  Yang Tang

IPC: H04L1/08 ,  H04W72/04

Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a user equipment device (UE) to perform PUCCH repetition based on signaling from at least one base station. The UE may connect to at least one base station. The UE may receive signaling from the at least one base station configuring physical uplink control channel (PUCCH) transmission. The signaling may indicate a plurality of PUCCH resources for PUCCH repetition. The signaling may indicate a plurality of beams for PUCCH repetition. Based on the signaling from the at least one base station, the UE may transmit the PUCCH a plurality of times using the plurality of PUCCH resources and the plurality of beams.

公开(公告)号：US20220302985A1

公开(公告)日：2022-09-22

申请号：US17437889

申请日：2020-10-22

Applicant: Apple Inc.

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

IPC: H04B7/06 ,  H04W76/19 ,  H04W24/10 ,  H04L5/00

Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a user equipment device (UE) to perform beam failure detection. The UE may establish communication with a base station. The UE may determine one or more beams to perform downlink communication from the base station. The UE may receive, from the base station, an indication of a first type of downlink reference signals to perform beam failure detection. The UE may perform signal quality measurements for the one or more beams using the first type of downlink reference signals. The UE may determine beam failure of at least one beam of the one or more beams based on said performing signal quality measurements.

公开(公告)号：US20220279583A1

公开(公告)日：2022-09-01

申请号：US17040437

申请日：2019-09-29

Applicant: Apple Inc.

Inventor： Chunhai Yao ,  Clive E. Rodgers ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Haitong Sun ,  Wei Zeng ,  Yuqin Chen ,  Yushu Zhang ,  Zhibin Wu

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/12

Abstract: A wireless user equipment (UE) device may transmit a random access preamble to a base station, using a physical resource on an uplink signal. After failing to receive an initial transmission of a response message from the base station (BS), the UE device may monitor for one or more retransmissions of the response message. Each of the retransmission may include a corresponding transmission number. As an alternative, each of the retransmissions may be at least partially scrambled using a corresponding Radio Network Temporary Identifier (RNTI). As another alternative, a window for monitoring and RNTI calculation may be extended to include the one or more retransmissions. The successive retransmissions may include the same set of UE-specific payloads, or, a decreasing set of payloads over time as UE devices acknowledge successful receipt of their respective payloads.

公开(公告)号：US20220279521A1

公开(公告)日：2022-09-01

申请号：US17439330

申请日：2020-10-22

Applicant: Apple Inc.

Inventor： Jie Cui ,  Yushu Zhang ,  Yang Tang ,  Dawei Zhang ,  Hong He ,  Manasa Raghavan ,  Huaning Niu ,  Haitong Sun ,  Chunhai Yao ,  Wenshu Zhang

IPC: H04W72/08 ,  H04W72/04 ,  H04W72/12

Abstract: The present application relates to devices and components including apparatus, systems, and methods to provide SCell activation. In one example, an SCell activation procedure may be extended by a duration based on cancelation of CSI-RS reception. In another example, a base station may use particular configuration parameters to avoid cancelation of CSI-RS reception. In yet another example, a UE and a base station may use particular information for a CSI-RS reception/transmission on an SCell that is being activated.

公开(公告)号：US11405980B2

公开(公告)日：2022-08-02

申请号：US16578528

申请日：2019-09-23

Applicant: Apple Inc.

Inventor： Tianyan Pu ,  Haitong Sun ,  Wanping Zhang ,  Wei Zeng ,  Pengkai Zhao ,  Dawei Zhang ,  Wei Zhang ,  Ping Wang ,  Sami M. Almalfouh ,  Johnson O. Sebeni

IPC: H04W88/06 ,  H04W72/04 ,  H04W72/10 ,  H04W74/08

Abstract: Apparatuses, systems, and methods for a wireless device to perform methods to implement mechanisms for performing a listen again after talk procedure to detect collisions over an access medium. The wireless device may determine a frequency and configuration of modified transmission frames for transmission over an access medium (licensed or unlicensed) and may further determine a timing of the modified transmission frames within a transmission occasion. The wireless device may detect, during a listening period of the modified transmission frame, a collision and may adjust, based, at least in part, on the detected collision, a remaining transmission schedule for the transmission schedule and/or LBT parameters.