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171.发明申请公开(公告)号：US20220369248A1
公开(公告)日：2022-11-17
申请号：US17875154
申请日：2022-07-27
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
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.
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公开(公告)号：US20220361239A1
公开(公告)日：2022-11-10
申请号：US17437800
申请日：2021-01-14
Applicant: Apple Inc.
Inventor： Fangli Xu , Dawei Zhang , Haijing Hu , Murtaza A. Shikari , Ralf Rossbach , Sarma V. Vangala , Srinivasan Nimmala
Abstract: Apparatuses, systems, and methods for non-small data transmission (non-SDT) dedicated radio bearer (DRB) handling while in a radio resource control (RRC) inactive state. A wireless device may determine, while operating in the RRC inactive state, that non-SDT data is available for transmission on a non-SDT DRB and determine, based on one or more conditions, to transmit, to a base station, non-SDT data arrival information during SDT procedure. The one or more conditions may be associated with arrival time of the non-SDT data and/or an amount of non-SDT data to be transmitted. The arrival time may be relative to arrival of SDT data, initiation of an SDT procedure, and/or initiation of a subsequent transmission period of an SDT procedure.
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公开(公告)号：US20220361088A1
公开(公告)日：2022-11-10
申请号：US17441254
申请日：2021-05-10
Applicant: Apple Inc.
Inventor： Dawei Zhang , Fangli Xu , Haijing Hu , Naveen Kumar R. Palle Venkata , Ralf Rossbach , Sarma V. Vangala , Sethuraman Gurumoorthy , Srirang A. Lovlekar , Yuqin Chen , Zhibin Wu
Abstract: Provided is a method for a user equipment (UE), comprising: acquiring a notification for participating in an access control process for an multicast/broadcast service (MBS) session; and participating in an access control process for the MBS session by using MBS specific configuration information.
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公开(公告)号：US20220360398A1
公开(公告)日：2022-11-10
申请号：US17760551
申请日：2019-09-29
Applicant: Apple Inc.
Inventor： Yushu Zhang , Haitong Sun , Dawei Zhang , Haijing Hu , Wei Zeng , Hong He , Chunhai Yao , Yuchul Kim , Yuqin Chen , Fangli Xu , Yakun Sun
IPC: H04L5/00
Abstract: To reduce the beam reporting latency, a base station may include a sounding reference signal (SRS) indication to a wireless communication device (UE) as part of the transmission configuration information (TCI) transmitted to the UE, allowing the UE to receive a corresponding downlink signal using the same beam (or with the same beam) the UE used to transmit (or with which the UE transmitted) the SRS indicated in the TCI. The SRS may be one of multiple SRSs previously transmitted by the UE. The UE may transmit the multiple SRSs periodically and/or according to semi-persistent scheduling, or it may transmit them aperiodically. Therefore, the UE does not need to report the beam quality, and the base station may perform the necessary beam measurement(s) instead. Various parameters and conditions may be defined for the UE to support SRS-based TCI.
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公开(公告)号：US11470665B2
公开(公告)日：2022-10-11
申请号：US16959995
申请日：2019-08-15
Applicant: Apple Inc.
Inventor： Fangli Xu , Wen Zhao , Sachin J. Sane , Sagar B. Shah , Muthukumaran Dhanapal , Sriram Subramanian , Madhukar K. Shanbhag , Vishwanth Kamala Govindaraju , Sandeep K. Sunkesala , Tarakkumar G. Dhanani , Sree Ram Kodali , Vijay Gadde , Shiva Krishna Narra , Sharad Garg , Sanjeevi Balasubramanian , Dawei Zhang , Haijing Hu , Rajesh Ambati
Abstract: Apparatuses, systems, and methods for a wireless device to perform negotiation of bearer type configuration and/or related parameters. A user equipment device (UE) and/or network may determine a bearer configuration and/or other parameters based on information or measurements of the UE. The UE and the BS may exchange data using a negotiated configuration.
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Patent Agency Ranking
公开(公告)号：US20220322482A1
公开(公告)日：2022-10-06
申请号：US17438196
申请日：2020-10-22
Applicant: Apple Inc.
Inventor： Fangli Xu , Murtaza A Shikari , Dawei Zhang , Haijing Hu , Srinivasan Nimmala , Zhanfeng Jia , Sarma V Vangala , Ralf Rossbach
IPC: H04W76/27
Abstract: While in an inactive state, a user equipment (UE) device transmits a message to a base station. The message indicates the UE device's intent to perform transmission and/or reception of user data with the network during the inactive state. The message may include a portion of the user data and/or a buffer status report. The UE device receives a response message that induces a state transition in the UE device. Different state transitions (e.g., to idle, inactive, legacy inactive, connected) may be induced by different types of response message (e.g., release, release with suspend configuration, resume, setup). One particular type of response message causes the UE to stay in the inactive state and enables subsequent user data transmission/reception in the inactive state. The response message may implicitly (or explicitly) indicate that forwarding of the user data to a core network was successful.
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177.发明申请公开(公告)号：US20220322446A1
公开(公告)日：2022-10-06
申请号：US17437394
申请日：2020-08-06
Applicant: Apple Inc.
Inventor： Sarma V Vangala , Tarik Tabet , Chunxuan Ye , Dawei Zhang , Fangli Xu , Haijing Hu , Murtaza A Shikari , Naveen Kumar R Palle Venkata , Ralf Rossbach , Sreevalsan Vallath , Srinivasan Nimmala , Wei Zeng
Abstract: This disclosure relates to techniques for reducing latency in a high-propagation-delay wireless communication system. A base station may receive from user equipment device (UE) a random access initiation message, having a characteristic that is configured to indicate to the base station a requested size of a subsequent uplink grant to be provided by the base station for transmission of uplink data by the UE. For example, the characteristic may include a predetermined preamble included in the random access initiation message, such that a requested grant size is indicated by which preamble the UE selects from a plurality of possible preambles. As another example, the characteristic may include which RACH occasion is selected by the UE to transmit the random access initiation message. In response, the base station may allocate resources for use by the UE based on the characteristic.
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178.发明申请公开(公告)号：US20220322159A1
公开(公告)日：2022-10-06
申请号：US17438353
申请日：2020-10-29
Applicant: Apple Inc.
Inventor： Fangli Xu , Haijing Hu , Naveen Kumar R. Palle Venkata , Ralf Rossbach , Sarma V. Vangala , Sethuraman Gurumoorthy , Srinivasan Nimmala , Sudeep Manithara Vamanan , Yuqin Chen
Abstract: Techniques are described for improving service continuity for Multicast and Broadcast Services (MBS) communications during handover. Techniques are included for supporting lossless handover and data forwarding during handover for peer-to-multiple (PTM) MBS transmission. Lossless handover may be achieved in part by the user equipment (UE) providing to the target base station an indication of the next packet of the MBS session to be received following an RRC reconfiguration message, and an indication of any MBS packets provided by the source base station prior to the RRC reconfiguration message that were not properly received by the UE. Data forwarding may be performed from the source base station to the target base station if the MBS session was not configured on the target base station prior to the handover. Data forwarding may be omitted if the MBS session was configured on the target base station prior to the handover.
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公开(公告)号：US20220312311A1
公开(公告)日：2022-09-29
申请号：US17593121
申请日：2020-04-08
Applicant: APPLE INC.
Inventor： Sarma V. Vangala , Dawei Zhang , Fangli Xu , Haijing Hu , Murtaza A. Shikari , Sethuraman Gurumoorthy , Yuqin Chen , Zhibin Wu
Abstract: Methods, systems, and devices for wireless communications are described for cell selection criteria for Integrated Access and Backhaul (IAB) nodes.
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180.发明申请公开(公告)号：US20220312261A1
公开(公告)日：2022-09-29
申请号：US17437397
申请日：2020-08-06
Applicant: Apple Inc.
Inventor： Sarma V Vangala , Tarik Tabet , Chunxuan Ye , Dawei Zhang , Fangli Xu , Haijing Hu , Murtaza A Shikari , Naveen Kumar R Palle Venkata , Ralf Rossbach , Sreevalsan Vallath , Srinivasan Nimmala , Wei Zeng
Abstract: This disclosure relates to techniques for reducing latency in a high-propagation-delay wireless communication system. A user equipment device (UE) may transmit to a base station (BS) a first buffer status report (BSR) indicating an amount of uplink data buffered by the UE for transmission to the BS, and may subsequently transmit to the BS a first BSR update message indicating that an additional amount of uplink data has been buffered by the UE subsequent to transmission of the first BSR. The first BSR update message may be transmitted prior to expiration of a timer authorizing transmission of a second BSR following the first BSR. The UE may receive from the BS an uplink grant allocating resources for transmission of at least a portion of the uplink data buffered by the UE. The uplink grant may have a size based on the first BSR and the first BSR update message.
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