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公开(公告)号：US20220256353A1
公开(公告)日：2022-08-11
申请号：US17732279
申请日：2022-04-28
Applicant: Apple Inc.
Inventor： Fangli Xu , Dawei Zhang , Haijing Hu , Longda Xing , Murtaza A. Shikari , Sethuraman Gurumoorthy , Sree Ram Kodali , Srinivasan Nimmala , Srirang A. Lovlekar , Xu Ou , Yuqin Chen
Abstract: Apparatuses, systems, and methods for a wireless device to perform methods to implement mechanisms for non-stand-alone unlicensed band cells that support single carrier capable UEs. A UE may camp on a licensed band cell of a RAN and transmit a request to connect. The UE may receive, from the licensed band cell, a connection setup message indicating a switch to an unlicensed band cell of the RAN and receive, from the unlicensed band cell, a reference signal. The UE may transmit to the unlicensed band cell and in response to confirming, based at least in part of the reference signal, radio quality and/or downlink timing of the unlicensed band cell, a connection complete/connection resume message.
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102.发明授权公开(公告)号：US11356842B2
公开(公告)日：2022-06-07
申请号：US16923835
申请日：2020-07-08
Applicant: Apple Inc.
Inventor： Srirang A. Lovlekar , Sethuraman Gurumoorthy , Murtaza A. Shikari , Srinivasan Nimmala , Sree Ram Kodali , Fangli Xu , Haijing Hu , Yuqin Chen , Dawei Zhang , Longda Xing , Zhiwei Wang , Yaoqi Yan , Muthukumaran Dhanapal , Huarui Liang
Abstract: A user equipment (UE) includes first and second subscriber identity modules (SIMs), possibly subscribed to different carriers. When the first SIM is in a connected state and the second SIM is in an idle state, the UE may need to periodically tune away a radio from a first frequency used for communication under the first SIM to a second frequency used for idle mode activity under the second SIM. The UE may provide to the network of the first SIM the second SIMs traffic activity pattern and/or serving frequency so that the network may provide coordinated configuration and/or scheduling for the UE device, e.g., in order to make the action of tuning away (and tuning back) the radio more efficient and/or to decrease the network impact of such radio tune aways (e.g., to decrease wasted uplink scheduling and wasted downlink transmissions for the first SIM).
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公开(公告)号：US11350260B2
公开(公告)日：2022-05-31
申请号：US16500846
申请日：2018-08-07
Applicant: Apple Inc.
Inventor： Fangli Xu , Haijing Hu , Dawei Zhang , Yuqin Chen , Srirang A. Lovlekar , Xu Ou , Sethuraman Gurumoorthy , Srinivasan Nimmala , Longda Xing , Sree Ram Kodali , Murtaza A. Shikari
Abstract: This disclosure relates to detecting duplicate public warning system messages in a cellular communication system. A wireless device may receive a public warning system indication from a cellular base station during a paging occasion. The public warning system indication may indicate that system information provided by the cellular base station includes a public warning system message. The wireless device may determine whether the public warning system message is a duplicate public warning system message. The wireless device may determine whether to decode the system information including the public warning system message based at least in part on whether the public warning system message is a duplicate public warning system message. The system information including the public warning system message may not be decoded if the public warning system message is determined to be a duplicate public warning system message.
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公开(公告)号：US11252778B2
公开(公告)日：2022-02-15
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 Gurumoorthy , Sree Ram Kodali , Srinivasan Nimmala , Srirang A. Lovlekar , Xu Ou , Yuqin Chen
Abstract: This disclosure relates to performing data communication while in an inactive state in a cellular communication system.
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公开(公告)号：US11218924B2
公开(公告)日：2022-01-04
申请号：US16479628
申请日：2018-08-28
Applicant: Apple Inc.
Inventor： Srirang A. Lovlekar , Longda Xing , Srinivasan Nimmala , Dawei Zhang , Yuqin Chen , Fangli Xu , Haijing Hu , Sethuraman Gurumoorthy , Murtaza A. Shikari
Abstract: Techniques are disclosed relating to handover between cellular base stations. In some embodiments that use dual-connectivity handover, disclosed techniques may facilitate synchronization of a security configuration switch. In some embodiments, the base station and/or mobile device determine activation sequence numbers for the security configuration switch (e.g., by estimating when a path switch will occur). In some embodiments, the security configuration switch is implicitly detected based in deciphering failure. In some embodiments, the security configuration switch is explicitly signaled and is checked based on deciphering failure. In some embodiments that use make before break handover techniques, a source base station may be retained after the path switch.
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Patent Agency Ranking
公开(公告)号：US20210368318A1
公开(公告)日：2021-11-25
申请号：US16500846
申请日：2018-08-07
Applicant: Apple Inc.
Inventor： Fangli Xu , Haijing Hu , Dawei Zhang , Yuqin Chen , Srirang A. Lovlekar , Xu Ou , Sethuraman Gurumoorthy , Srinivasan Nimmala , Longda Xing , Sree Ram Kodali , Murtaza A. Shikari
Abstract: This disclosure relates to detecting duplicate public warning system messages in a cellular communication system. A wireless device may receive a public warning system indication from a cellular base station during a paging occasion. The public warning system indication may indicate that system information provided by the cellular base station includes a public warning system message. The wireless device may determine whether the public warning system message is a duplicate public warning system message. The wireless device may determine whether to decode the system information including the public warning system message based at least in part on whether the public warning system message is a duplicate public warning system message. The system information including the public warning system message may not be decoded if the public warning system message is determined to be a duplicate public warning system message.
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公开(公告)号：US20210345455A1
公开(公告)日：2021-11-04
申请号：US16478951
申请日：2018-08-03
Applicant: Apple Inc.
Inventor： Sree Ram Kodali , Sethuraman Gurumoorthy , Murtaza A. Shikari , Haijing Hu , Srinivasan Nimmala , Yuqin Chen , Xu Ou , Longda Xing , Srirang A. Lovlekar , Fangli Xu , Dawei Zhang
Abstract: A device may operate within a specified frequency band within a specified coverage area of a wireless cellular network served by a cell. The device may monitor, during a cell-specific paging window, paging messages transmitted by the cell within the cell-specific paging window to devices operating within the specified coverage area and targeted to receive paging messages. The device may enter an idle state if the monitoring indicates that the paging messages do not include a respective paging message intended for the device. If the monitoring indicates that the paging messages include a paging message intended for the device, the device may process the paging message. Furthermore, the device may indicate to the cell, when attaching to the cell, whether the device has a capability to support standalone operation within the specified frequency band. If the indication is that the device does not support such standalone operation, the cell may not issue paging messages to the device.
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公开(公告)号：US11166336B2
公开(公告)日：2021-11-02
申请号：US16264885
申请日：2019-02-01
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
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.
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公开(公告)号：US20210051748A1
公开(公告)日：2021-02-18
申请号：US16858142
申请日：2020-04-24
Applicant: Apple Inc.
Inventor： Fangli Xu , Dawei Zhang , Haijing Hu , Longda Xing , Murtaza A. Shikari , Sethuraman Gurumoorthy , Srinivasan Nimmala , Srirang A. Lovlekar , Yuqin Chen
Abstract: Apparatuses, systems, and methods for a user equipment device (UE) to perform intra-UE co-existence between non-stand-alone (NSA) and stand-alone (SA) mode. The UE may be configured to connect to a first radio access network (RAN) operating according to a first radio access technology (RAT) via a first radio and connect to a second RAN operating according to a second RAT via a second radio. The UE may provide, to the first RAN, configuration information during a radio resource control (RRC) connection procedure. The configuration information may indicate a dual connectivity status of the UE. The dual connectivity status may include indication disabling (enabling) dual connectivity for the UE, working frequencies associated with the second RAN, and/or configurations associated with the second RAN. The UE may receive, from the first RAN, a dual connectivity configuration that may be based on the dual connectivity status of the UE and operate accordingly.
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110.发明申请公开(公告)号：US20210014822A1
公开(公告)日：2021-01-14
申请号：US16892031
申请日：2020-06-03
Applicant: Apple Inc.
Inventor： Sethuraman Gurumoorthy , Dawei Zhang , Fangli Xu , Haijing Hu , Longda Xing , Murtaza Shikari , Muthukumaran Dhanapal , Sree Ram Kodali , Srinivasan Nimmala , Srirang A. Lovlekar , Vijay Venkataraman , Yaoqi Yan , Yuqin Chen , Zhiwei Wang
Abstract: This disclosure relates to systems, apparatuses, and methods for coordinating communication and avoiding and/or mitigating collisions for multi-subscriber identity module devices in a wireless communication system. A wireless device may coordinate communication associated with different subscriber identity modules and/or may mitigate collisions between communications associated with different subscriber identity modules. A network may provide information to improve coordination and/or mitigate collisions. A network may adjust paging schedules and/or provision of alert messages to improve coordination.
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