公开(公告)号：US12213116B2

公开(公告)日：2025-01-28

申请号：US17593467

申请日：2020-08-06

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Naveen Kumar R. Palle Venkata ,  Sarma V. Vangala ,  Yuqin Chen ,  Zhibin Wu

IPC: H04W72/0453 ,  H04W72/23 ,  H04W74/00

Abstract: A user equipment (UE) may operate on a dormant bandwidth part (BWP) and a non-dormant BWP of a carrier. The UE identifies a dormant bandwidth part (BWP) and a non-dormant BWP of a carrier corresponding to a primary secondary cell (PSCell) of a secondary cell group (SCG) for dual connectivity (DC), receives an indication that an active BWP is to be switched from the non-dormant BWP to the dormant BWP and performs an action corresponding to the dormant BWP.

公开(公告)号：US12200556B2

公开(公告)日：2025-01-14

申请号：US17440897

申请日：2020-10-23

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Sarma V. Vangala ,  Chunxuan Ye ,  Haijing Hu ,  Krisztian Kiss ,  Murtaza A. Shikari ,  Naveen Kumar R. Palle Venkata ,  Ralf Rossbach ,  Sree Ram V. Kodali ,  Srinivasan Nimmala ,  Vijay Venkataraman ,  Yuqin Chen ,  Zhibin Wu

IPC: H04W36/08 ,  H04W36/00

Abstract: A user equipment (UE), next generation NodeB (gNB), or other network component can operate to configure a group configuration message that initiates a plurality of UEs in a coverage area of a non-terrestrial network (NTN) to concurrently transfer communication from a first beam of a first satellite to a second beam of a second satellite. The communications of one or more UEs can be re-directed to the second beam of the second satellite based on downlink control information of the group configuration message.

公开(公告)号：US20250008399A1

公开(公告)日：2025-01-02

申请号：US18263880

申请日：2022-08-08

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Naveen Kumar R. Palle Venkata ,  Yuqin Chen ,  Dawei Zhang ,  Haijing Hu ,  Ralf Rossbach ,  Peng Cheng ,  Ping-Heng Kuo

IPC: H04W36/08 ,  H04W36/00

Abstract: Provided is a method for a user equipment (UE). The UE obtains a cell reselection indication from a network device. The cell reselection indication indicates to the UE whether a terrestrial network (TN) cell or a non-terrestrial network (NTN) cell serves as a camping cell for which the UE performs cell reselection; The UE performs the cell reselection based on the cell reselection indication.

公开(公告)号：US12185400B2

公开(公告)日：2024-12-31

申请号：US17593527

申请日：2020-10-29

Applicant: APPLE INC.

Inventor： Shu Guo ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Huarui Liang ,  Yuqin Chen

IPC: H04W76/15 ,  H04W12/033 ,  H04W12/106

Abstract: Systems and methods provide packet data convergence protocol (PDCP) user plane (UP) integrity protection (IP) for a user equipments (UE) and radio access network (RAN) nodes operating in Evolved Universal Terrestrial Radio Access-New Radio dual connectivity (EN-DC). In an attach procedure, a UE may indicate a UE security capability for support of relay node (RN) PDCP UP IP used in LTE. Based on the LIE security capability, a master e Node B (MeNB) security capability, and a secondary g Node B (SgNB) security capability, the MeNB may determine whether to use UP IP between the UE and the MeNB, the UE and the SgNB, and/or in a split bearer between the MeNB and the SgNB.

公开(公告)号：US12156255B2

公开(公告)日：2024-11-26

申请号：US17437819

申请日：2020-08-05

Applicant: Apple Inc.

Inventor： Sarma V. Vangala ,  Tarik Tabet ,  Chunxuan Ye ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Murtaza A Shikari ,  Naveen Kumar R Palle Venkata ,  Rafael L Rivera-Barreto ,  Ralf Rossbach ,  Sreevalsan Vallath ,  Srinivasan Nimmala ,  Wei Zeng ,  Yuqin Chen ,  Zhibin Wu

IPC: H04W74/08 ,  H04W56/00 ,  H04W74/0833

Abstract: A user equipment (UE) device may perform random access to a base station in the context where propagation delay between the base station and the UE device is large. The UE device randomly selects a random access preamble from an available set of preambles. The UE device selects a time slot for transmission of the random access preamble based on a configured correspondence between allowable time slots and subsets of the available set. The UE device transmits the random access preamble to a base station in the selected time slot, with timing advance to compensate for a common delay. Thus, the base station, knowing the configured correspondence, is able to determine the time slot in which the random access preamble was transmitted. The UE device receives a random access response that has been addressed with a Random Access Radio Network Temporary Identifier (RA-RNTI).

公开(公告)号：US12155595B2

公开(公告)日：2024-11-26

申请号：US17958016

申请日：2022-09-30

Applicant: Apple Inc.

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

IPC: H04L5/00 ,  H04W72/0453 ,  H04W72/23

Abstract: Methods to enhance the coverage of NR systems for coverage-limited wireless devices are disclosed. A serving base station may configure a coverage-limited UE with parameters for the UE to operate in a coverage enhancement mode through RRC signaling, DCI, or RAR grant. The UE may use the configuration parameters to determine whether to enter into the coverage enhancement mode when connecting and communicating with the serving base station. The configuration parameters may configure the UE to exploit both time diversity and frequency diversity to extend and enhance coverage when receiving PDSCH and PDCCH channels. The UE may use the configuration parameters to receive PDSCH and PCCCH that are coverage enhanced using time repetitions and frequency hopping. Advantageously, the base station may flexibly and dynamically configure the UE with coverage enhancement parameters to extend the coverage of the UE using time diversity and frequency diversity gains as the UE moves around.

公开(公告)号：US12149371B2

公开(公告)日：2024-11-19

申请号：US17755740

申请日：2021-05-10

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Naveen Kumar R. Palle Venkata ,  Ralf Rossbach ,  Sarma V. Vangala ,  Sethuraman Gurumoorthy ,  Srirang A. Lovlekar ,  Yuqin Chen ,  Zhibin Wu

IPC: H04L12/18 ,  H04W76/19

Abstract: A user equipment (UE) is configured to deactivate/activate a point-to-multipoint (PTM) link of a multicast radio bearer (MRB). The UE receives, from a base station of a wireless network, a multicast radio bearer (MRB) configuration, wherein the MRB includes configuration of a split MRB including a point to multipoint (PTM) link and a point to point (PTP) link, deactivates or activates the PTM link based on the MRB configuration, reestablishes a radio link control (RLC) associated with the PTM link and recovers a packet data convergence protocol (PDCP).

公开(公告)号：US12137368B2

公开(公告)日：2024-11-05

申请号：US17441945

申请日：2021-06-25

Applicant: Apple Inc.

Inventor： Ralf Rossbach ,  Fangli Xu ,  Haijing Hu ,  Murali Narasimha ,  Sarma V. Vangala ,  Weidong Yang

IPC: H04W28/02 ,  H04W72/1263 ,  H04W76/10

Abstract: A user equipment (UE) may establish a connection with a network for transmission of a plurality of data bursts further comprising a plurality of data segments. The UE may transmit, to the network, a first data segment corresponding to a first quality of service flow identifier (QFI) associated with a first quality of service (QoS) flow and a second data segment corresponding to a second QFI associated with a second QoS flow. The UE may be configured to map one or more data segments to one or more QFIs based on at least one of a slice type, a frame type, a modulo operation, and a sequence number. The plurality of data bursts may be transmitted according to at least one of one or more configured grants (CGs), one or more dynamic grants (DGs), and one or more instances of the one or more CGs or one or more DGs.

公开(公告)号：US12120633B2

公开(公告)日：2024-10-15

申请号：US17442081

申请日：2020-07-21

Applicant: Apple Inc.

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

IPC: H04W68/00 ,  H04W76/10 ,  H04W76/20 ,  H04W88/08

CPC classification number: H04W68/005 ,  H04W76/10 ,  H04W76/20 ,  H04W88/085

Abstract: This disclosure relates to techniques for performing paging forwarding for remote wireless devices in a wireless communication system. A relay wireless device and a remote wireless device may establish a relay link. The relay wireless device may provide an indication of the relay link between the relay wireless device and the remote wireless device to a cellular base station. The relay wireless device may receive paging information for the remote wireless device from the cellular base station. The relay wireless device may provide the paging information to the remote wireless device via the relay link between the relay wireless device and the remote wireless device.

公开(公告)号：US20240340733A1

公开(公告)日：2024-10-10

申请号：US18620943

申请日：2024-03-28

Applicant: Apple Inc.

Inventor： Naveen Kumar R. Palle Venkata ,  Fangli Xu ,  Haijing Hu ,  Peng Cheng ,  Ping-Heng Kuo ,  Ralf Rossbach ,  Yuqin Chen ,  Zhibin Wu

IPC: H04W36/04 ,  H04W76/10 ,  H04W76/20

CPC classification number: H04W36/04 ,  H04W76/10 ,  H04W76/20

Abstract: The present application relates to devices and components including apparatus, systems, and methods for L2 resets. For example, a UE can be connected to a base station DU via a first cell and can be configured with information about a second cell. This information can indicate whether an LTM association exists between the first cell and the second cell (e.g., whether these two cells are provided by the same base station DU or not). Upon a command to establish a connection with the second cell (e.g., a MAC CE handover command), the UE can determine whether an L2 reset is to be performed or not based on the configuration information (e.g., the L2 reset can be foregone when the two cells are provided by the same base station DU; otherwise, the L2 reset can be performed).