公开(公告)号：US11632807B2

公开(公告)日：2023-04-18

申请号：US17667351

申请日：2022-02-08

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Yuqin Chen

IPC: H04W72/12 ,  H04W74/08 ,  H04W72/23

Abstract: This disclosure relates to performing bandwidth part activation in a cellular communication system. A wireless device may attach to a network via a cell that includes multiple bandwidth parts. The wireless device may receive an indication activating a non-default bandwidth part for the wireless device. A bandwidth part activation timer may be initiated based at least in part on activation of the non-default bandwidth part. At expiration of the bandwidth part activation timer, the wireless device may deactivate the non-default bandwidth part and activate a default bandwidth part if there is not a procedure to perform an uplink data transfer in progress. If there is a procedure to perform an uplink data transfer in progress at expiration of the bandwidth part activation timer, the procedure may be completed via the non-default BWP even after expiration of the bandwidth part activation timer.

公开(公告)号：US20230044346A1

公开(公告)日：2023-02-09

申请号：US17438324

申请日：2021-08-04

Applicant: Apple Inc.

Inventor： Pavan Nuggehalli ,  Fangli Xu ,  Alexander Sirotkin ,  Chunxuan Ye ,  Haijing Hu ,  Naveen Kumar R. Palle Venkata ,  Ralf Rossbach ,  Sarma V. Vangala ,  Sethuraman Gurumoorthy ,  Yuqin Chen ,  Zhibin Wu

IPC: G01S19/25 ,  H04W76/20 ,  H04M15/00

Abstract: The present application relates to devices and components including apparatus, systems, and methods for ephemeris signaling in wireless networks.

公开(公告)号：US11564138B2

公开(公告)日：2023-01-24

申请号：US17688488

申请日：2022-03-07

Applicant: Apple Inc.

Inventor： Yuqin Chen ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Longda Xing ,  Murtaza A. Shikari ,  Sethuraman Gurumoorthy ,  Sree Ram Kodali ,  Srinivasan Nimmala ,  Srirang A. Lovlekar ,  Xu Ou

IPC: H04W4/00 ,  H04W36/10 ,  H04W36/00 ,  H04W36/08 ,  H04W36/14

Abstract: Apparatuses, systems, and methods for a wireless device avoiding reselection or handover to cells of different operators. The wireless device may attach to a first base station of a first network operator. The wireless device may determine that a neighboring base station is associated with a second network operator. Based on determining the neighboring base station is associated with the second network operator, the wireless device may exclude the third base station from handover or reselection.

公开(公告)号：US11564136B2

公开(公告)日：2023-01-24

申请号：US17534214

申请日：2021-11-23

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Murtaza A. Shikari ,  Sethuraman Gurumoorthy ,  Sree Ram Kodali ,  Srinivasan Nimmala ,  Srirang A. Lovlekar ,  Longda Xing ,  Xu Ou ,  Yuqin Chen

IPC: H04W4/00 ,  H04W36/00 ,  H04W36/30 ,  H04W48/16 ,  H04W88/06

Abstract: Apparatuses, systems, and methods for a wireless device to perform master cell group failure recovery in a dual connectivity cellular communication system. The wireless device may establish a first wireless link to a cellular network via a first cell group. The first cell group may be configured as a master cell group for the wireless device. The wireless device may establish a second wireless link to the cellular network via a second cell group. The second cell group may be configured as a secondary cell group for the wireless device. The wireless device may determine that link failure for the first wireless link has occurred. The wireless device may perform master cell group link failure recovery using the second wireless link based at least in part on the link failure for the first wireless link.

公开(公告)号：US11540323B2

公开(公告)日：2022-12-27

申请号：US16781337

申请日：2020-02-04

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Yuqin Chen ,  Wei Zeng ,  Haitong Sun ,  Yuchul Kim

IPC: H04W74/08 ,  H04W72/04 ,  H04W52/36

Abstract: Apparatuses, systems, and methods for a wireless device to perform 2-step random access procedures. The disclosure identifies features of 2-step random access procedures including configuration (e.g., under what circumstances to use 2-step vs. 4-step random access), message design, fallback procedures, power ramping, backoff, and retransmission procedures.

公开(公告)号：US11540183B2

公开(公告)日：2022-12-27

申请号：US16985952

申请日：2020-08-05

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Haijing Hu ,  Yuqin Chen ,  Ehsan Haghani ,  Dawei Zhang

IPC: H04W36/08 ,  H04W36/00 ,  H04W36/38

Abstract: This disclosure relates to techniques for performing consecutive conditional handovers. A cellular base station may provide conditional handover information for multiple conditional handovers to a wireless device. The conditional handover information may include information for performing a conditional handover from a cell provided by the cellular base station to at least one cell, and information for performing a conditional handover from one or more of those cells to at least one cell. The wireless device may perform multiple consecutive conditional handovers using the conditional handover information.

公开(公告)号：US11516867B2

公开(公告)日：2022-11-29

申请号：US16960291

申请日：2018-01-30

Applicant: Apple Inc.

Inventor： Haijing Hu ,  Dawei Zhang ,  Fangli Xu ,  Haitong Sun ,  Wei Zeng ,  Yuqin Chen

IPC: H04W76/16 ,  H04W72/04 ,  H04W88/06

Abstract: Apparatuses, systems, and methods for a wireless device to perform single transmitter dual connectivity cellular communication. The wireless device may establish a radio resource control connection with a base station. The wireless device may provide an indication of radio frequency capability information for the wireless device to the base station. Providing the radio frequency capability information for the wireless device may affect whether and how the wireless device is configured for dual connectivity cellular communication.

公开(公告)号：US20220361132A1

公开(公告)日：2022-11-10

申请号：US17441834

申请日：2021-03-31

Applicant: Apple Inc.

Inventor： Sethuraman Gurumoorthy ,  Srirang A. Lovlekar ,  Fangli Xu ,  Haijing Hu ,  Naveen Kumar R. Palle Venkata ,  Sarma V. Vangala ,  Yuqin Chen ,  Zhibin Wu ,  Longda Xing ,  Rama Diwakara Rao Noolu ,  Birgit Breining

IPC: H04W60/00 ,  H04W68/00

Abstract: Devices and associated methods for operating a dual-subscriber identity module (SIM) dual-standby (DSDS) user equipment device (UE) configured with a first SIM and a second SIM. The UE transmits a connection request message to a base station over a first network using the first SIM, where the connection request message includes one or more capability indications of the UE. The UE receives a connection accept message from the base station, where the connection accept message includes one or more network capability indications corresponding to respective UE capability indications of the one or more UE capability indications. The UE performs communications with the base station according to the one or more network capability indications.

公开(公告)号：US20220360974A1

公开(公告)日：2022-11-10

申请号：US17439712

申请日：2021-05-08

Applicant: Apple Inc.

Inventor： Naveen Kumar R. Palle Venkata ,  Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Yuqin Chen

IPC: H04W8/24

Abstract: The present application relates to devices and components including apparatus, systems, and methods to configure a UE for dual connectivity. In an example, a network node requests the UE to indicate the capability it supports for the dual connectivity. This request can implicitly or explicitly indicate that the UE should report carrier grouping information. In response, this information is sent by the UE, and the network node can configure an MCG and an SCG for the UE based on the reported carrier grouping information.

公开(公告)号：US11477796B2

公开(公告)日：2022-10-18

申请号：US16782465

申请日：2020-02-05

Applicant: Apple Inc.

Inventor： Srirang A. Lovlekar ,  Murtaza A. Shikari ,  Sethuraman Gurumoorthy ,  Fangli Xu ,  Yuqin Chen ,  Haijing Hu ,  Srinivasan Nimmala ,  Longda Xing ,  Dawei Zhang ,  Sree Ram Kodali

IPC: H04W72/08 ,  H04W88/06 ,  H04W24/10 ,  H04W36/00 ,  H04W76/15 ,  H04W72/04 ,  H04W36/14

Abstract: Various radio resource management techniques may be implemented to reduce in-device coexistence issues and/or interference between a Uu link established between a mobile device (first UE) and a base station (first NB), and a sidelink/PC5 link established between the first UE and another mobile device (second UE), where the second UE is served by a different base station (second NB). The first UE may receive, from the first NB, measurement configuration information that enables/configures the first UE to report to the NB any indication(s) of issues caused by communications between the first UE and the second UE over the PC5 link affecting communications between the first UE and the first NB over the Uu link, and/or communications over the Uu link affecting communications over the PC5 link. The first NB may analyze the feedback from the first UE and may implement mitigation measures to reduce/eliminate any interference and/or in-device-coexistence issues.