公开(公告)号：US20240049009A1

公开(公告)日：2024-02-08

申请号：US18313651

申请日：2023-05-08

Applicant: Apple Inc.

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

IPC: H04W24/04 ,  H04W76/14 ,  H04W40/22

CPC classification number: H04W24/04 ,  H04W76/14 ,  H04W40/22 ,  H04W88/04

Abstract: A user equipment (UE), a baseband processor or other network device can operate in a new radio (NR) unlicensed network can operate to communicate in a UE to UE (U2U) relay path through a first relay UE with another UE as a source or destination UE according to a direct communication request initiating from the source UE. The UE can further perform a U2U relay reselection to a second relay UE in response to a trigger condition, either as a source UE or a destination UE.

公开(公告)号：US11895495B2

公开(公告)日：2024-02-06

申请号：US17057622

申请日：2018-06-22

Applicant: Apple Inc.

Inventor： Xiangying Yang ,  Elliot S. Briggs ,  Samuel D. Post ,  Yannick L. Sierra ,  Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Huarui Liang ,  Li Li ,  Lijia Zhang ,  Shu Guo ,  Yuqin Chen

IPC: H04W12/069 ,  H04W76/27 ,  H04W12/73 ,  H04W12/108 ,  H04W74/08

CPC classification number: H04W12/069 ,  H04W12/108 ,  H04W12/73 ,  H04W74/0833 ,  H04W76/27

Abstract: This disclosure relates to techniques, base stations, and user equipment devices (UEs) for performing base station authentication through access stratum signaling transmissions. The UE may operate in idle mode and may receive an authentication message from a base station through the wireless interface while operating in idle mode. The UE may determine whether a signature comprised within the authentication message is valid, and the UE may continue a connection procedure with the base station based on a determination that the signature is valid. If it is determined that the signature is invalid, the UE may designate the base station as a barred base station and may perform cell re-selection. The authentication message may be one of a radio resource control (RRC) connection setup message, a special RRC message, a media access control (MAC) message, or a random access channel (RACH) message comprising a random access response (RAR) message.

公开(公告)号：US11863982B2

公开(公告)日：2024-01-02

申请号：US18150771

申请日：2023-01-05

Applicant: Apple Inc.

Inventor： Xiangying Yang ,  Huarui Liang ,  Lijia Zhang ,  Shu Guo ,  Haijing Hu ,  Fangli Xu ,  Yuqin Chen ,  Dawei Zhang ,  Li Li

IPC: H04W12/122 ,  H04W12/069 ,  H04W12/72 ,  H04W12/0433 ,  H04W12/03 ,  H04W12/041 ,  H04L9/08 ,  H04L9/16 ,  H04L9/32 ,  H04W12/02

CPC classification number: H04W12/069 ,  H04L9/0822 ,  H04L9/0825 ,  H04L9/0844 ,  H04L9/0891 ,  H04L9/16 ,  H04L9/3228 ,  H04W12/02 ,  H04W12/03 ,  H04W12/041 ,  H04W12/0433 ,  H04W12/122 ,  H04W12/72

Abstract: Techniques to protect a subscriber identity, by encrypting a subscription permanent identifier (SUPI) to form one-time use subscription concealed identifiers (SUCIs) using a set of one-time ephemeral asymmetric keys, generated by a user equipment (UE), and network provided keys are disclosed. Encryption of the SUPI to form the SUCIs can mitigate snooping by rogue network entities, such as fake base stations. The UE is restricted from providing the unencrypted SUPI over an unauthenticated connection to a network entity. In some instances, the UE uses a trusted symmetric fallback encryption key KFB or trusted asymmetric fallback public key PKFB to verify messages from an unauthenticated network entity and/or to encrypt the SUPI to form a fallback SUCIFB for communication of messages with the unauthenticated network entity.

公开(公告)号：US20230421999A1

公开(公告)日：2023-12-28

申请号：US18464582

申请日：2023-09-11

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Naveen Kumar R. Palle Venkata ,  Hajing Hu ,  Dawei Zhang ,  Murtaza A. Shikari ,  Srirang A. Lovlekar ,  Srinivasan Nimmala ,  Sarma V. Vangala ,  Yuqin Chen ,  Zhibin Wu ,  Ralf Rossbach

IPC: H04W4/06 ,  H04W76/10 ,  H04L1/1607

CPC classification number: H04W4/06 ,  H04W76/10 ,  H04L1/1642

Abstract: This disclosure relates to techniques for supporting switching between point to point and point to multipoint delivery with service continuity for broadcast and multicast services in a wireless communication system. A cellular base station and a wireless device may establish a wireless link. The cellular base station may provide information configuring an over the air delivery type with which to receive a broadcast or multicast service, which may be received by the wireless device. The cellular base station may transmit the service using the configured delivery type, and the wireless device may correspondingly receive the service. The cellular base station may provide information configuring the wireless device to switch to a different over the air delivery type, with service continuity. The cellular base station may then transmit the service using that delivery type, and the wireless device may correspondingly receive the service.

公开(公告)号：US11838089B2

公开(公告)日：2023-12-05

申请号：US17593562

申请日：2020-05-15

Applicant: APPLE INC.

Inventor： Yushu Zhang ,  Chunhai Yao ,  Chunxuan Ye ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Haitong Sun ,  Hong He ,  Wei Zeng ,  Weidong Yang ,  Yeong-Sun Hwang ,  Yuchul Kim ,  Yuqin Chen

IPC: H04B7/06 ,  H04B7/08 ,  H04L5/00

CPC classification number: H04B7/0695 ,  H04B7/088 ,  H04L5/0048

Abstract: Systems and methods for control signaling for beam searching latency reduction are disclosed herein. A g Node B (gNB) may determine that a first Synchronization Signal Block (SSB) and a second SSB are to be spatially correlated and may select a first transmit (Tx) beam to transmit the first SSB and a second Tx beam to transmit the second SSB accordingly. The gNB may also transmit a correlation message including spatial correlation information to help a UE determine the spatial correlation. The UE may measure the first SSB on a first subset of a plurality of receive (Rx) beams and measure the second SSB on a second subset of the plurality of Rx beams, and select an Rx beam for one or both. In some embodiments, channel state information reference signals (CSI-RS) that are quasi co-located (QCLed) with a given SSB may be measured in place of the SSB.

公开(公告)号：US20230354212A1

公开(公告)日：2023-11-02

申请号：US18337567

申请日：2023-06-20

Applicant: Apple Inc.

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

IPC: H04W52/24 ,  H04W16/28 ,  H04W52/14 ,  H04W72/02 ,  H04W74/08

CPC classification number: H04W52/242 ,  H04W16/28 ,  H04W52/146 ,  H04W72/02 ,  H04W74/0841 ,  H04W74/0866

Abstract: Apparatuses, systems, and methods for a user equipment device (UE) to determine a default beam for a dedicated PUCCH/SRS in a CC. The UE may determine a pathloss RS has been configured in the CC, e.g., responsive to the UE determining that spatial relationship information for a default transmission beam has not been configured and determine the default beam for transmissions based, at least in part, on the (configured) pathloss RS. Additionally, responsive to determining that the pathloss RS has not been configured in the CC, the UE may determine that no CORESETs/TCI states for a PDSCH in the CC have been configured and determine the default beam for transmissions based, at least in part, on a default transmission beam in another CC, a CC index, a PRACH procedure; a PUSCH transmission; an SRS transmission, and/or a PUCCH transmission.

公开(公告)号：US11785540B2

公开(公告)日：2023-10-10

申请号：US17593122

申请日：2020-04-08

Applicant: APPLE INC.

Inventor： Sethuraman Gurumoorthy ,  Birgit Breining ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Longda Xing ,  Rama Diwakara Rao Noolu ,  Srirang A. Lovlekar ,  Yuqin Chen ,  Zhibin Wu

IPC: H04W76/10 ,  H04W52/02 ,  H04W76/27 ,  H04W24/08

CPC classification number: H04W52/0209 ,  H04W24/08 ,  H04W76/27

Abstract: Apparatuses, systems, and methods are provided for managing UE upgrade requests using UE assistance information (UAI), including network controlled upgrade support, UE initiated upgrade requests, and/or budget based upgrade requests.

公开(公告)号：US20230319947A1

公开(公告)日：2023-10-05

申请号：US18331235

申请日：2023-06-08

Applicant: Apple Inc.

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

IPC: H04W76/27 ,  H04W36/00 ,  H04W76/10 ,  H04W74/08 ,  H04L69/28 ,  H04W68/00 ,  H04W36/04

CPC classification number: H04W76/27 ,  H04W36/0011 ,  H04W76/10 ,  H04W74/0833 ,  H04L69/28 ,  H04W68/005 ,  H04W36/04

Abstract: This disclosure relates to performing data communication while in an inactive state in a cellular communication system.

公开(公告)号：US11765784B2

公开(公告)日：2023-09-19

申请号：US17562685

申请日：2021-12-27

Applicant: Apple Inc.

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

IPC: H04W76/27 ,  H04W76/10 ,  H04L69/28 ,  H04W36/00 ,  H04W36/04 ,  H04W68/00 ,  H04W74/08

CPC classification number: H04W76/27 ,  H04L69/28 ,  H04W36/0011 ,  H04W36/04 ,  H04W68/005 ,  H04W74/0833 ,  H04W76/10

Abstract: This disclosure relates to performing data communication while in an inactive state in a cellular communication system.

公开(公告)号：US20230269814A1

公开(公告)日：2023-08-24

申请号：US17437794

申请日：2021-04-23

Applicant: Apple Inc.

Inventor： Ralf Rossbach ,  Fangli Xu ,  Haijing Hu ,  Sarma V. Vangala

IPC: H04W76/25 ,  H04L1/08 ,  H04W52/36 ,  H04W52/14

CPC classification number: H04W76/25 ,  H04L1/08 ,  H04W52/146 ,  H04W52/365

Abstract: This disclosure relates to techniques for performing wireless communications in a manner to provide enhanced reliability protections at certain times and/or for particular communications, e.g., to maintain or restore operation of an application following a communication failure. Among various possibilities, in order to enhance reliability any of the following actions may be taken: transmission power may be boosted, one or more timer duration may be adjusted, data may be recovered and/or duplicated using a different and/or additional entity, and/or grant selection may be adjusted.