公开(公告)号：US20210378041A1

公开(公告)日：2021-12-02

申请号：US17277116

申请日：2019-09-26

Applicant: APPLE INC.

Inventor： Murali Narasimha ,  Qian Li ,  Jaemin Han ,  Alexander Sirotkin

IPC: H04W76/19 ,  H04W40/02 ,  H04W24/04

Abstract: Systems, method, and devices provide for recovery from backhaul failures for Integrated Access and Backhaul (IAB) communication systems with multi-hop routing.

公开(公告)号：US20200314963A1

公开(公告)日：2020-10-01

申请号：US16859673

申请日：2020-04-27

Applicant: Apple Inc.

Inventor： Jaemin Han ,  Alexander Sirotkin

IPC: H04W88/10 ,  H04W92/12 ,  H04W88/08 ,  H04W76/27 ,  H04W72/04 ,  H04W28/10

Abstract: An apparatus of a RAN node in which flexible feedback for user data transferred between RAN nodes is described. The DL PDCP PDUs to be delivered to a UE is transmitted over an Xn or X2 interface between RAN and NG-RAN nodes, respectively. Feedback received allows transmitting RAN node to control downlink user data flow. The feedback contains a DDDS frame that includes a highest transmitted and delivered PDCP SN indicator parameter that respectively indicates whether a highest transmitted and successfully delivered PDCP PDU is present in the DDDS message and a highest transmitted and successfully delivered PDCP SN PDU parameter that provides feedback respectively about a transmitted status of the PDU sequence and an in-sequence delivery status of the PDUs to the UE. Buffered PDUs reported by the DDDS message are removed from memory as transmitted or successfully delivered PDUs.

公开(公告)号：US20250142604A1

公开(公告)日：2025-05-01

申请号：US18835536

申请日：2022-02-13

Applicant: Apple Inc.

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

IPC: H04W72/40 ,  H04W72/121 ,  H04W72/231

Abstract: Techniques, described herein, include solutions for enabling inter-user equipment (UE) coordination (IUC) using media access control (MAC) control elements (CE). A first UE may send an IUC request to a second UE, and the second UE may respond with a MAC CE that includes IUC information. The IUC information may indicated one or more wireless resources that the first UE may use to communicate with the second UE. The IUC information may also include a time-domain validity for wireless resources, which may include one or more durations of time the wireless resources may be used for communication. The first UE may also implement a latency bound during which the second UE is to respond with the IUC information. In some implementations, discontinuous reception (DRX) may be used by the first and second UEs, and DRX active times of the UEs may be modified or configured to facilitate IUC.

公开(公告)号：US12273201B2

公开(公告)日：2025-04-08

申请号：US17904547

申请日：2021-09-02

Applicant: Apple Inc.

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

IPC: H04L1/1607 ,  H04L47/32

Abstract: A user equipment (UE) configured to receive a first cumulative acknowledgement (ACK) from a protocol stack of the UE at a first time, store the first cumulative ACK in a queue, receive a second cumulative ACK from the protocol stack at a second time, wherein the second time occurs after the first time, store the second cumulative ACK in the queue, discard the first cumulative ACK from the queue based on the second cumulative ACK being received after the first cumulative ACK and encapsulate the second cumulative ACK to form a radio link control (RLC) packet data unit (PDU) that is to be transmitted over the air.

公开(公告)号：US20250105913A1

公开(公告)日：2025-03-27

申请号：US18814362

申请日：2024-08-23

Applicant: APPLE INC.

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

IPC: H04B7/185 ,  H04W48/16 ,  H04W76/10

Abstract: The present application relates to devices and components, including apparatus, systems, and methods for non-terrestrial networks with store and forward operation.

公开(公告)号：US20240205796A1

公开(公告)日：2024-06-20

申请号：US17802803

申请日：2021-09-24

Applicant: Apple Inc.

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

IPC: H04W48/02 ,  H04W4/50

CPC classification number: H04W48/02 ,  H04W4/50

Abstract: Provided is a method by a user equipment (UE), comprising: receiving, from a base station (BS), one or more messages providing different barring configurations for different access identities in an access identity set, the UE has at least one access identity, and the at least one access identity is from the access identity set and indicates that the UE is a disaster inbound roamer with respect to the BS; and performing, by the UE, an access barring check based on the one or more messages.

公开(公告)号：US11985725B2

公开(公告)日：2024-05-14

申请号：US17438869

申请日：2020-03-18

Applicant: Apple Inc.

Inventor： Jaemin Han ,  Yi Guo ,  Alexander Sirotkin ,  Sudeep Palat

IPC: H04W76/27

CPC classification number: H04W76/27

Abstract: Techniques, systems, and devices to support small data transfers are described. A first node, such as a gNodeB or an eNodeB, can perform operations that include receiving a resume request from a user equipment (UE) that is in an inactive state, the resume request including a small data indication, where context information for the UE resides at a second node; transmitting a retrieve UE context request to the second node, the retrieve UE context request including the small data indication; receiving a UE context response from the second node; transmitting, by the first node, a resume response to the UE to cause the UE to switch to a connected state; processing uplink data from the UE; and transmitting a release message to the UE to cause the UE to switch to the inactive state. The release message can be based on RRC release information received from the second node.

公开(公告)号：US20240080798A1

公开(公告)日：2024-03-07

申请号：US18242087

申请日：2023-09-05

Applicant: Apple Inc.

Inventor： Alexander Sirotkin ,  Jaemin Han

IPC: H04W68/00 ,  H04L1/1607 ,  H04W28/06 ,  H04W80/08

CPC classification number: H04W68/005 ,  H04L1/1642 ,  H04W28/06 ,  H04W80/08 ,  H04W84/18

Abstract: Devices, methods, communication nodes, base stations, storage media, and other embodiments are provided for managing associations in a communication network. In one example embodiment, a New Radio (NR) node is configured for NR user-plane protocol communications between a master node (MN) and a secondary node (SN). The NRnode is configured to generate a downlink (DL) user data message with downlink user data, initiate transmission of the DL user data message to a second node, and process a DL data delivery status message from the second node in response to the DL user data message. In various embodiments, polling and SCG split-bearer configurations are supported by such messaging. In some embodiments, packet data convergence protocol (PDCP) serial numbers are communicated for transmission and retransmission management. In some embodiments, DL configurations initiated by an SN are enabled, as well as UL configurations initiated by either an MN or an SN.

公开(公告)号：US11895620B2

公开(公告)日：2024-02-06

申请号：US17967982

申请日：2022-10-18

Applicant: Apple Inc.

Inventor： Alexandre Saso Stojanovski ,  Alexander Sirotkin

IPC: H04W68/00 ,  H04W8/08 ,  H04W76/28 ,  H04W80/10 ,  H04W72/23 ,  H04W84/12

CPC classification number: H04W68/005 ,  H04W8/08 ,  H04W72/23 ,  H04W76/28 ,  H04W80/10 ,  H04W84/12

Abstract: Embodiments of a Next Generation Node-B (gNB) and methods of communication are disclosed herein. The gNB may be configured with a gNB-CU and a gNB-DU. A first paging message for paging of the UE may be received at the gNB-CU from an access management function (AMF) entity. The first paging message may include: a paging identity of the UE; and a paging origin information element (IE) that indicates whether the paging of the UE is originated due to a protocol data unit (PDU) session from non-3GPP access. A second paging message to page the UE may be transmitted from the gNB-DU to the UE. The second paging message may include: the paging identity of the UE; and an access type parameter that indicates whether the paging of the UE is originated due to the PDU session from the non-3GPP access.

公开(公告)号：US20240032139A1

公开(公告)日：2024-01-25

申请号：US17593697

申请日：2021-08-04

Applicant: APPLE INC.

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

IPC: H04W76/28 ,  H04W52/02

CPC classification number: H04W76/28 ,  H04W52/0225

Abstract: The functions of user equipment (UE), radio access network (RAN) devices, and core network (CN) devices in circumstances where a UE is expected to experience discontinuous coverage are described herein. A UE may send a CN a non-access stratum (NAS) message including a release request indicating that a UE is leaving coverage and assistance information. The CN may interrupt paging of the UE and resume the paging according to the assistance information. A UE may enter a low power usage mode upon leaving coverage, and may use one or more timers to determine when to check for coverage and send a mobility update message corresponding to the low power usage mode. A base station may receive, from a UE, a radio resource control (RRC) message comprising a release request and assistance information, send an RRC release message to the UE in response, and forward the assistance information to the CN.