公开(公告)号：US20220141895A1

公开(公告)日：2022-05-05

申请号：US17574737

申请日：2022-01-13

Applicant: Apple Inc.

Inventor： Li Su

IPC: H04W76/14 ,  H04W8/00 ,  H04W56/00 ,  H04W88/02 ,  H04W92/18 ,  H04W76/28

Abstract: This disclosure relates to techniques for supporting narrowband device-to-device wireless communication, including possible techniques for performing discovery in an off grid radio system. According to some embodiments, a wireless device may determine a number of synchronization signal repetitions to use for a narrowband device-to-device transmission. The wireless device may perform the transmission, including transmitting the determined number of synchronization signal repetitions. The transmission may include an indication of the number of synchronization signal repetitions used in the transmission.

公开(公告)号：US11265940B2

公开(公告)日：2022-03-01

申请号：US16887109

申请日：2020-05-29

Applicant: Apple Inc.

Inventor： Li Su

IPC: H04W76/14 ,  H04W56/00 ,  H04W8/00 ,  H04W76/28 ,  H04W92/18 ,  H04W88/02

Abstract: This disclosure relates to techniques for supporting narrowband device-to-device wireless communication, including possible techniques for performing discovery in an off grid radio system. According to some embodiments, a wireless device may determine a number of synchronization signal repetitions to use for a narrowband device-to-device transmission. The wireless device may perform the transmission, including transmitting the determined number of synchronization signal repetitions. The transmission may include an indication of the number of synchronization signal repetitions used in the transmission.

公开(公告)号：US20220061024A1

公开(公告)日：2022-02-24

申请号：US17521269

申请日：2021-11-08

Applicant: Apple Inc.

Inventor： Haitong Sun ,  Dawei Zhang ,  Li Su ,  Tarik Tabet ,  Wei Zeng ,  Yuchul Kim

IPC: H04W68/02 ,  H04L5/00 ,  H04W24/02 ,  H04B1/3827 ,  H04B17/318

Abstract: Systems, apparatuses, and methods for coverage improvements in wireless communication devices. A wireless communication device may be configured to selectively receive one of a plurality of paging signals, or a portion thereof, based on measured or expected coverage quality of communications from a base station. In some scenarios, the wireless communication device may provide an indication to the base station of which paging signal the wireless communication device will attempt to receive, such that the base station may include paging information directed to that UE only in the indicated paging signal. In some scenarios, the base station may include paging information directed to that UE in a plurality of paging signals, each of the paging signals including a different number of repetitions of the paging information. In some scenarios, the UE may receive only a portion of a paging signal including a plurality of repetitions of the paging information.

公开(公告)号：US20220015183A1

公开(公告)日：2022-01-13

申请号：US17482950

申请日：2021-09-23

Applicant: Apple Inc.

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

IPC: H04W76/27

Abstract: This disclosure relates to performing implicit radio resource control state transitions in a cellular communication system. A wireless device may establish a radio resource control (RRC) connection with a cellular base station. A data inactivity timer length and a target RRC state for implicit RRC transitions may be determined. A data inactivity timer having the determined data inactivity timer length may be initiated. It may be determined that the data inactivity timer has expired. The wireless device may transition to the target RRC state based at least in part on determining that the data inactivity timer has expired.

公开(公告)号：US11212697B2

公开(公告)日：2021-12-28

申请号：US16707696

申请日：2019-12-09

Applicant: Apple Inc.

Inventor： Faraz Faheem ,  Jianxiong Shi ,  Li Su ,  Sreevalsan Vallath ,  Yingjie Zhao ,  Yaoqi Yan ,  Jishan Gao

IPC: H04W28/02 ,  H04M15/00 ,  H04W24/08 ,  H04W76/10

Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a user equipment (UE) device to adaptively enhance the quality of service (QoS) configuration of a bearer of communications conducted over a cellular network between a UE application and a server. The UE may use various information, including a QoS profile associated with the application, to determine requested QoS parameters and/or whether the UE is permitted to request or access enhanced QoS functionality. The UE may then send a request to the cellular network indicating the requested QoS parameters, and the network may adjust the QoS configuration of the bearer in response. The UE and the network may perform routine QoS measurements and exchange information in order to adaptively maintain and optimize the QoS configuration. These techniques may tend to provide more appropriate QoS to the application, which may improve user experience.

公开(公告)号：US11172466B2

公开(公告)日：2021-11-09

申请号：US16880572

申请日：2020-05-21

Applicant: Apple Inc.

Inventor： Haitong Sun ,  Dawei Zhang ,  Li Su ,  Tarik Tabet ,  Wei Zeng ,  Yuchul Kim

IPC: H04W68/02 ,  H04L5/00 ,  H04W24/02 ,  H04B1/3827 ,  H04B17/318

Abstract: Systems, apparatuses, and methods for coverage improvements in wireless communication devices. A wireless communication device may be configured to selectively receive one of a plurality of paging signals, or a portion thereof, based on measured or expected coverage quality of communications from a base station. In some scenarios, the wireless communication device may provide an indication to the base station of which paging signal the wireless communication device will attempt to receive, such that the base station may include paging information directed to that UE only in the indicated paging signal. In some scenarios, the base station may include paging information directed to that UE in a plurality of paging signals, each of the paging signals including a different number of repetitions of the paging information. In some scenarios, the UE may receive only a portion of a paging signal including a plurality of repetitions of the paging information.

公开(公告)号：US20210195439A1

公开(公告)日：2021-06-24

申请号：US16952906

申请日：2020-11-19

Applicant: Apple Inc.

Inventor： Alosious Pradeep Prabhakar ,  Wen Zhao ,  Lakshmi N. Kavuri ,  Li Su ,  Sagar B. Shah ,  Sriram Subramanian ,  Vijay Venkataraman ,  Vishwanth Kamala Govindaraju ,  Shiva Krishna Narra ,  Sanjeevi Balasubramanian ,  Wei Zhang ,  Madhukar K. Shanbhag ,  Sandeep K. Sunkesala ,  Srinivasan Nimmala ,  Muthukumaran Dhanapal ,  Tarakkumar G. Dhanani ,  Sree Ram Kodali ,  loannis Pefkianakis ,  Dhruv Khati ,  Franco Travostino ,  Thanigaivelu Elangovan ,  Madhusudan Chaudhary ,  Geoffrey R. Hall

IPC: H04W24/02 ,  H04W76/15 ,  H04W76/30 ,  H04W76/23 ,  H04W76/27 ,  H04W52/28

Abstract: This disclosure relates to methods and devices for mitigating overheating in a user equipment device (UE). The UE is configured to communicate over each of LTE and 5G NR and may be configured to communicate through 5G NR over each of a Sub-6 GHz and a millimeter Wave (mmW) frequency band. The UE is configured to establish an ENDC connection with an enB and one or more gNBs. The UE implements intelligent transmission modification and cell measurement adjustments to mitigate overheating and reduce battery drain.

公开(公告)号：US20210185739A1

公开(公告)日：2021-06-17

申请号：US17111237

申请日：2020-12-03

Applicant: Apple Inc.

Inventor： Alosious Pradeep Prabhakar ,  Li Su ,  Vijay Venkataraman ,  Rohit R. Matolia

IPC: H04W76/10 ,  H04W76/30 ,  H04W8/02 ,  H04W74/08 ,  H04W4/02

Abstract: This disclosure relates to techniques for a wireless device to perform low latency communication using historical beam information. The wireless device may establish a radio resource control connection, and may subsequently release the resource control connection. The wireless device may store antenna element and beam information for the resource control connection. The wireless device may determine whether to use the stored antenna element and beam information when establishing another radio resource control connection. If the wireless device determines to do so, the wireless device may use the stored antenna element and beam information when establishing that radio resource control connection.

公开(公告)号：US11039368B2

公开(公告)日：2021-06-15

申请号：US16806288

申请日：2020-03-02

Applicant: Apple Inc.

Inventor： Li Su ,  Srinivasan Nimmala

IPC: H04W36/32 ,  H04L1/00 ,  H04W72/00 ,  H04W72/12 ,  H04W88/02 ,  H04W92/02 ,  H04W28/02

Abstract: This disclosure relates to techniques for dynamically changing coverage modes and/or communication bandwidth in a wireless communication system. According to some embodiments, a wireless device may attach to a serving cell associated with a cellular network. A volume of data for upcoming communication with the cellular network may be determined. An indication of a requested communication bandwidth may be provided to the serving cell. The wireless device may communicate data with the serving cell using the requested communication bandwidth. In some instances, a request for narrowband communication bandwidth may result in use of a coverage enhancement mode, while a request for wideband communication bandwidth may result in use of a normal coverage mode.

公开(公告)号：US10973076B2

公开(公告)日：2021-04-06

申请号：US16744651

申请日：2020-01-16

Applicant: Apple Inc.

Inventor： Li Su ,  Sami M. Almalfouh

IPC: H04W72/04 ,  H04W76/27 ,  H04W72/12 ,  H04W68/00 ,  H04W4/70 ,  H04W28/02 ,  H04W40/22

Abstract: This disclosure relates to techniques for fast switching between control channels during a radio resource control connection in a wireless communication system. A cellular base station and a wireless device may establish a radio resource control connection. The base station may provide a physical layer indication to the wireless device of a control channel to monitor for scheduling information. The base station may provide scheduling information to the wireless device on the indicated control channel. The wireless device may monitor the indicated control channel for scheduling information based at least in part on the physical layer indication and may receive the scheduling information provided by the base station on the indicated control channel.