公开(公告)号：US11265773B2

公开(公告)日：2022-03-01

申请号：US16960855

申请日：2018-01-11

Applicant: Apple Inc.

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

IPC: H04W4/00 ,  H04W36/00 ,  H04W76/27 ,  H04W36/24

Abstract: This disclosure relates to performing cell re-selection while in an inactive state in a cellular communication system. A wireless device may establish a radio resource control connection with a cellular base station. The wireless device may receive an indication to enter a radio resource control inactive state. The wireless device may perform cell re-selection while in the radio resource control inactive state. Cells that are in the current radio access network notification area of the wireless device may be prioritized over cells that are not in the current radio access network notification area of the wireless device when performing cell re-selection while in the radio resource control inactive state.

公开(公告)号：US11246178B2

公开(公告)日：2022-02-08

申请号：US16434558

申请日：2019-06-07

Applicant: Apple Inc.

Inventor： Murtaza A. Shikari ,  Sethuraman Gurumoorthy ,  Srinivasan Nimmala ,  Srirang A. Lovlekar

IPC: H04W76/15 ,  H04L12/26 ,  H04W72/14 ,  H04W28/06

Abstract: Techniques are disclosed relating to apportioning data between network links in dual-connectivity environments. In some embodiments, a packet data convergence protocol (PDCP) entity implemented by a mobile device determines a ratio for sending packet data to two or more different radio link control (RLC) entities implemented by the mobile device for dual connectivity communications via two or more different networks. In some embodiments, in response to a current data volume meeting a threshold value, the PDCP entity apportions packet data between the two or more different RLC entities based on the determined ratio. The ratio may be determined based on various input parameters from one or more protocol layers or may be specified by the network. In various embodiments, the disclosed techniques may improve resource utilization and reduce re-ordering delay at the receiver.

公开(公告)号：US11096232B2

公开(公告)日：2021-08-17

申请号：US16553427

申请日：2019-08-28

Applicant: Apple Inc.

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

IPC: H04W36/00 ,  H04W76/18 ,  H04W48/02 ,  H04W48/04 ,  H04W84/04

Abstract: This disclosure relates to techniques for efficiently handling connection rejections. A wireless device may detect barring conditions in response to receiving one or more connection rejections. The wireless device may bar one or more connections based on the barring conditions, and may attempt to access network services over one or more other connections.

公开(公告)号：US20210051611A1

公开(公告)日：2021-02-18

申请号：US17051383

申请日：2018-05-10

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: H04W56/00 ,  H04L1/18

Abstract: A transmitter (e.g. a packet data convergence protocol, PDCP, in the transmitter), which may be a base station for downlink communications or a user equipment device for uplink communications, may control timing of the delivery of duplicate (same) packets to multiple (e.g. two) wireless links (e.g. radio link control links) for transmission to a receiver, based at least on synchronization information received from the receiver. The duplicate packets may be transmitted over the multiple wireless links to the receiver, which may receive the duplicate packets over the multiple wireless links. The receiver may collect and/or generate synchronization information indicative of the timing or latency between the multiple wireless links, based at least on the respective receive timings of the duplicate packets over the multiple wireless links. The receiver may transmit a report containing the synchronization information to the transmitter periodically and/or in response to a trigger event.

公开(公告)号：US20210051583A1

公开(公告)日：2021-02-18

申请号：US16899303

申请日：2020-06-11

Applicant: Apple Inc.

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

IPC: H04W52/02 ,  H04W76/28 ,  H04W4/90 ,  H04L29/08 ,  H04W68/00 ,  H04W4/06

Abstract: Systems, apparatuses, and methods for notification support in extended discontinuous reception mode. A base station and UE may configure eDRX communication. An indication may be received during the eDRX communication. The network may cache the indication. The network may modify the DRX configuration. The network may use a wake up signal. In response, the UE may receive the indication while achieving power savings from the eDRX configuration.

公开(公告)号：US20210014926A1

公开(公告)日：2021-01-14

申请号：US16918164

申请日：2020-07-01

Applicant: Apple Inc.

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

IPC: H04W76/27 ,  H04W76/10 ,  H04W68/00 ,  H04L29/06 ,  H04W36/04 ,  H04W36/00 ,  H04W74/08

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

公开(公告)号：US20200359278A1

公开(公告)日：2020-11-12

申请号：US16406373

申请日：2019-05-08

Applicant: APPLE INC.

Inventor： Tarakkumar G. Dhanani ,  Srirang A. Lovlekar ,  Alosious Pradeep Prabhakar ,  Vijay Venkataraman ,  Murtaza A. Shikari ,  Ajoy K. Singh ,  Vijay Gadde ,  Longda Xing ,  Nishit S. Sheth ,  Rohit Thareja ,  Sethuraman Gurumoorthy ,  Srinivasan Nimmala ,  Sharad Garg

IPC: H04W36/00 ,  H04W4/80 ,  H04W76/15 ,  H04W36/30

Abstract: A device, system and method for a user equipment (UE) to opportunistically utilize the wireless capabilities of a paired device. The UE is configured to establish a first cellular network connection based on a first subscription, a second cellular network connection based on a second subscription and a connection to a further UE based on a short-range communication protocol. The UE identifies a predetermined condition and transmits an indication to the further UE based on the predetermined condition. The further UE establishes a further cellular network connection in response to the indication and the further cellular network connection is based on one of the first subscription or the second subscription. The UE then declares no service for one of the first cellular network connection or the second cellular network connection based on the further cellular network connection.

公开(公告)号：US10805823B2

公开(公告)日：2020-10-13

申请号：US15719785

申请日：2017-09-29

Applicant: APPLE INC.

Inventor： Muthukumaran Dhanapal ,  Srinivasan Nimmala ,  Srirang A. Lovlekar ,  Vijay Venkataraman

IPC: H04W72/04 ,  H04W28/02 ,  H04W8/24 ,  H04W76/10 ,  H04W76/50 ,  H04W16/14

Abstract: A device and method for generating a user equipment (UE) capability information message. In a first embodiment, a UE receives a request for the radio access capabilities of the UE and a size limit indication for a message to be generated by the UE that includes the radio access capabilities. The UE generates the message that includes the radio access capabilities based on the size limit then transmits the message to the network. In a second embodiment, a UE receives a request for the radio access capabilities of the UE. The UE also receives a segment limit indication and a size limit indication for a message to be generated by the UE that includes the radio access capabilities. The UE generates the message where the message includes a plurality of segments based on the segment limit. Subsequently, the UE transmits the message to the network.

公开(公告)号：US20200305143A1

公开(公告)日：2020-09-24

申请号：US16894146

申请日：2020-06-05

Applicant: Apple Inc.

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

IPC: H04W72/04 ,  H04W76/10 ,  H04L5/00 ,  H04W12/00

Abstract: This disclosure relates to techniques for reducing signaling overhead associated with signaling the capability of a wireless device and/or other messages. Among various possibilities, tags and/or compression may be used. Additionally, techniques for enhanced security and signaling between network devices are disclosed.

公开(公告)号：US10757733B2

公开(公告)日：2020-08-25

申请号：US16233221

申请日：2018-12-27

Applicant: Apple Inc.

Inventor： Muthukumaran Dhanapal ,  Sethuraman Gurumoorthy ,  Srirang A. Lovlekar ,  Vijay Venkataraman

IPC: H04W74/08 ,  H04W72/08 ,  H04W88/06 ,  H04W16/14 ,  H04W8/24 ,  H04W72/04 ,  H04W24/10 ,  H04W72/12 ,  H04W76/15 ,  H04W48/16 ,  H04W88/02

Abstract: A user equipment device (UE) may receive a schedule for a listen before talk (LBT) procedure for a secondary component carrier on a first subscription associated with the UE that includes a radio frequency resource of the UE. The UE may determine a requirement to perform at least one operation on a second subscription associated with the UE that also includes the radio frequency resource. The UE may determine that performance of the at least one operation (at least partially) interferes (time overlaps) with performance of the LBT procedure. In response, the UE may initiate at least one scheduling operation at the UE to avoid interference between performance of the at least one operation on the second subscription and performance of the LBT procedure on the first subscription.