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公开(公告)号：US20230171720A1
公开(公告)日：2023-06-01
申请号：US17997261
申请日：2021-06-02
Applicant: QUALCOMM Incorporated
Inventor： Peerapol TINNAKORNSRISUPHAP , Vinay MELKOTE KRISHNAPRASAD , Prashanth Haridas HANDE , Ravi AGARWAL , Hemanth SAMPATH
CPC classification number: H04W56/0015 , H04J3/0667
Abstract: Certain aspects of the present disclosure provide techniques for communicating time synchronized data between a client and a server. An example method generally includes synchronizing, by a client, a clock of the client with a clock source. The method also includes transmitting, from the client to a server, at an application level, information indicating the clock source, a cell identifier of a serving cell of the client, and accuracy of the clock source as a time value. The method further includes transmitting, from the client to the server, a message including data and a timestamp correlated to an event associated with the data based on the clock. The method also includes in response to the message, receiving, by the client from the server, generated data.
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公开(公告)号：US20230170976A1
公开(公告)日：2023-06-01
申请号：US17457008
申请日：2021-11-30
Applicant: QUALCOMM Incorporated
Inventor： Hussein METWALY SAAD , Peerapol TINNAKORNSRISUPHAP , Tom Edward BOTTERILL , Yann LEBRUN , Ravi AGARWAL
CPC classification number: H04B7/088 , H04B7/0857 , H04W24/10 , H04B7/086
Abstract: This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for beam selection and codebook learning techniques based on XR perception information. A UE may receive sensor information indicative of a direction of a current serving beam relative to the UE. The UE may be configured to communicate with a base station based on a BPL associated with the direction of the current serving beam. The UE may perform a measurement for the base station and the UE to communicate over the BPL based on the sensor information indicating that the direction of the current serving beam relative to the UE is different from a previous serving beam direction relative to the UE.
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公开(公告)号：US20230057143A1
公开(公告)日：2023-02-23
申请号：US17975156
申请日：2022-10-27
Applicant: QUALCOMM Incorporated
Inventor： Ravi AGARWAL , Gavin Bernard HORN , Naga BHUSHAN
IPC: H04W64/00 , H04W74/08 , G01S5/02 , H04L5/00 , H04W12/122
Abstract: A base station determines a window of time for arrival of uplink signals, wherein the window of time includes a start based on a first expected time of arrival for a first uplink signal from a first UE and an end based on a second expected time of arrival for a second uplink signal from a second UE. The base station detection detects a false base station, such as a L1 man-in-the-middle false base station, based on an uplink signal being received outside of the determined window of time for the arrival of uplink signals.
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公开(公告)号：US20220386163A1
公开(公告)日：2022-12-01
申请号：US17335806
申请日：2021-06-01
Applicant: QUALCOMM Incorporated
Inventor： Prashanth Haridas HANDE , Ravi AGARWAL , Peerapol TINNAKORNSRISUPHAP
Abstract: Methods, systems, and devices for wireless communications are described. A device may manage an end-to-end delay budget for wireless communications. The communication device may receive semi-static control signaling indicating a packet delay requirement. The communication device may receive dynamic control signaling from a different device indicating a packet delay measurement for one or more of a packet or a group of packets associated with the wireless communication in one or more of a downlink or an uplink. The communication device may adjust a packet delay parameter to compensate a delay for one or more of the downlink or the uplink based on the packet delay requirement and the packet delay measurement, and may communicate in the downlink, the uplink, or both based on the adjusted packet delay parameter.
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公开(公告)号：US20220330152A1
公开(公告)日：2022-10-13
申请号：US17378056
申请日：2021-07-16
Applicant: QUALCOMM Incorporated
Inventor： Prashanth Haridas HANDE , Peter Pui Lok ANG , Ravi AGARWAL , Hyun Yong LEE
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain a discontinuous reception (DRX) short cadence value that corresponds to a number of Hertz (Hz). The UE may sleep as part of a DRX cycle. The UE may wake up, starting at a subframe, based at least in part on the DRX short cadence value and a subframe identifier of the subframe. Numerous other aspects are described.
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Patent Agency Ranking
公开(公告)号：US20210377866A1
公开(公告)日：2021-12-02
申请号：US17332828
申请日：2021-05-27
Applicant: QUALCOMM Incorporated
Inventor： Yuchul KIM , Jay Kumar SUNDARARAJAN , Naga BHUSHAN , Hwan Joon KWON , Krishna Kiran MUKKAVILLI , Peter Pui Lok ANG , Yeliz TOKGOZ , Wei YANG , Huilin XU , Jing LEI , Ravi AGARWAL , Seyedkianoush HOSSEINI , Tingfang JI
IPC: H04W52/02
Abstract: Aspects of the disclosure relate to power reduction measures that can be employed by wireless user equipment (UE) participating in an extended reality (XR) application. A wireless UE, while operating in a first power state, may receive, from an XR service provider, a plurality of packets corresponding to a video frame. The UE may reassemble and decode the received packets to reproduce the video frame. Once the UE determines it has received information sufficient to reproduce the video frame, the UE may enter a second power state, different from the first power state, for a predetermined amount of time. Other aspects, embodiments, and features are also claimed and described.
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公开(公告)号：US20210289502A1
公开(公告)日：2021-09-16
申请号：US17202284
申请日：2021-03-15
Applicant: QUALCOMM Incorporated
Inventor： Peter Pui Lok ANG , Prashanth Haridas HANDE , Ravi AGARWAL , Rahul KASHYAP , Jafar MOHSENI , Mahbod GHELICHI , Peerapol TINNAKORNSRISUPHAP , Jay Kumar SUNDARARAJAN
Abstract: Certain aspects of the present disclosure provide techniques for wireless communication and more particularly, to techniques for bandwidth part adaptation for extended reality (XR) power saving. A method that may be performed by a UE generally includes receiving a first configuration of a first bandwidth part (BWP) and a second configuration of a second BWP, wherein the first BWP is configured for a lower traffic rate and the second BWP is configured for a higher traffic rate; obtaining an indication to switch from the first BWP to the second BWP; and switching from the first BWP to the second BWP in response to obtaining the indication.
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公开(公告)号：US20210153024A1
公开(公告)日：2021-05-20
申请号：US17086267
申请日：2020-10-30
Applicant: QUALCOMM Incorporated
Inventor： Ravi AGARWAL , Gavin Bernard HORN , Naga BHUSHAN
Abstract: In a wireless access network, a false base station (FBS) may imitate a legitimate base station by repeating the transmissions of the legitimate base station at a higher power level such that one or more user equipment (UEs) synchronize with the FBS instead of the legitimate base station. The present disclosure provides a UE that detects an FBS. The UE may estimate a time of arrival of different multipath components of a downlink signal corresponding to a physical cell identity. The UE may determine an existence of FBS based on a difference between the times of arrival of two of the different multipath components exceeding a threshold amount of time. The UE may perform a mitigation operation in response to determining the existence of the FBS.
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公开(公告)号：US20210152982A1
公开(公告)日：2021-05-20
申请号：US16948949
申请日：2020-10-07
Applicant: QUALCOMM Incorporated
Inventor： Ravi AGARWAL , Gavin Bernard HORN , Soo Bum LEE
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may monitor a reception occasion for a short message that includes a system information change notification or a public warning system notification. The UE may initiate a mitigation action related to a radio link with a network based at least in part on non-reception by the UE of the short message in the reception occasion, failure of the short message to pass an integrity check, and/or the like. Numerous other aspects are provided.
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公开(公告)号：US20210092626A1
公开(公告)日：2021-03-25
申请号：US17016610
申请日：2020-09-10
Applicant: QUALCOMM Incorporated
Inventor： Huilin XU , Gavin Bernard HORN , Ravi AGARWAL , Ozcan OZTURK , Soo Bum LEE , Naga BHUSHAN
Abstract: Certain aspects of the present disclosure provide techniques for detecting false base stations and transmissions therefrom based on silent periods during which legitimate base stations are to refrain from transmitting at least certain downlink transmissions on at least some downlink resources.
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