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    Selectively Enabling PDCP Duplication for Survival Time
    64.
    发明申请
    Selectively Enabling PDCP Duplication for Survival Time 有权

    公开(公告)号：US20240373283A1

    公开(公告)日：2024-11-07

    申请号：US18288716

    申请日：2022-04-27

    Applicant: Telefonaktiebolaget LM Ericsson (publ)

    Inventor： Zhenhua Zou ,  Torsten Dudda ,  John Walter Diachina

    IPC: H04W28/02 ,  H04L5/00 ,  H04L69/22 ,  H04L69/28 ,  H04W48/16 ,  H04W72/56

    Abstract: At least one Packet Data Convergence Protocol (PDCP) packet duplication leg is configured with a logical channel prioritization (LCP) restriction, restricting a logical channel in the duplication leg to which transmission resources are intentionally not available. Stale packets, (not transmitted due to a lack of resources) are discarded, so the current packet is always at the top of the queue. PDCP duplication can then be activated quickly when needed, such as in survival time mode, as it has already been configured, and the current packet is always ready for transmission. The transmission resources can be dynamically allocated by the network by transmitting a DCI command (e.g., the Configured Grant type 2 activation or dynamic grant with a specific PHY-priority-index). Alternatively, the transmission resource can be allocated beforehand, but scarcely, such that it occurs (i.e., is available) every N-th packet, and so there is a duplication for every N-th packet.

    Improving Time Synchronization Accuracy in a Wireless Network
    65.
    发明公开
    Improving Time Synchronization Accuracy in a Wireless Network 审中-公开

    公开(公告)号：US20240267144A1

    公开(公告)日：2024-08-08

    申请号：US18565667

    申请日：2022-06-03

    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

    Inventor： Dhruvin Patel ,  John Walter Diachina

    IPC: H04J3/06 ,  H04W56/00

    CPC classification number: H04J3/0664 ,  H04W56/0015

    Abstract: Embodiments include methods for a controller of a plurality of user equipment (UEs) that are served by a radio access network (RAN) node. Such methods include receiving information about the following from each of the UEs: first measurements, UEDL,RX, of respective timing events of the radio link between the UE and the RAN node; and second measurements, UETxTxDiff, of respective time differences between the UE receiving a downlink reference signal, RS, and transmitting a corresponding uplink RS. Such methods also include, based on the received information, selecting one of the plurality of UEs to provide a time-sensitive network (TSN) end station with a TSN message timestamped by a system clock time that is associated with the RAN and that is based on at least one first measurement and at least one second measurement. Other embodiments include complementary methods for a UE, and controllers and UEs configured to perform such methods.

    Reference Time Delivery during Mobility Operations in a Time-Sensitive Network (TSN)
    66.
    发明公开
    Reference Time Delivery during Mobility Operations in a Time-Sensitive Network (TSN) 审中-公开

    公开(公告)号：US20230309037A1

    公开(公告)日：2023-09-28

    申请号：US18015208

    申请日：2021-07-30

    Applicant: Telefonaktiebolaget LM Ericsson (publ)

    Inventor： Zhenhua Zou ,  Nianshan Shi ,  Torsten Dudda ,  John Walter Diachina

    IPC: H04W56/00

    CPC classification number: H04W56/0015

    Abstract: Embodiments include methods for a second node configured to serve a second cell in a wireless network. Such methods include receiving, from a first node, a mobility-related message including information associated with a plurality of first reference time information messages transmitted by the first node to a user equipment (UE). Such methods include, based on the received information, determining whether the second node can support reference time information delivery to the UE in the second cell. Such methods include, based on determining that the second node can support reference time information delivery to the UE, transmitting one or more second reference time information messages to the UE, each second reference time information message including an absolute reference time and a corresponding reference event within downlink transmissions by the second node. Other embodiments include complementary methods for the first node and network nodes configured to perform such methods.

    QoS MAPPING
    67.
    发明申请
    QoS MAPPING 有权

    公开(公告)号：US20220417785A1

    公开(公告)日：2022-12-29

    申请号：US17775334

    申请日：2020-11-06

    Applicant: Telefonaktiebolaget LM Ericsson (publ)

    Inventor： John Walter Diachina ,  Marilet De Andrade Jardim ,  Kun Wang ,  Kefeng Zhang

    IPC: H04W28/02 ,  H04W72/08

    Abstract: Systems and methods for Quality of Service (QoS) mapping based on latency and throughput are provided. A method performed by a first node for mapping Time-Sensitive Networking (TSN) streams includes: receiving traffic class specific information for one or more TSN streams; and determining a set of one or more 5G QoS flows to support the traffic class. This provides solutions where 5QI table entries configured by a 5GS can result in underproviding or overproviding the payload capacity made available to support the traffic class. If less payload space is provided, then TSN stream payload corresponding to the traffic class will be lost. If more space is provided, then radio interface resources will be used inefficiently. As such, the solutions identified herein allow for more efficient use of radio interface resources associated with a 5G QoS flow used to support a set of TSN streams corresponding to a TSN traffic class.

    Time-domain allocation for repetitions
    68.
    发明授权
    Time-domain allocation for repetitions 有权

    公开(公告)号：US11510196B2

    公开(公告)日：2022-11-22

    申请号：US16964231

    申请日：2019-04-23

    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

    Inventor： Jonas Fröberg Olsson ,  Gustav Wikström ,  Kittipong Kittichokechai ,  John Walter Diachina

    IPC: H04W72/04

    Abstract: Systems, methods, and apparatus for communicating transport block repetitions are disclosed. An example method performed by a wireless device includes receiving an assignment of radio resources corresponding to two or more transmissions with first start and length pairs, each transmission comprising a transport block repetition, where at least one of the first start and length pairs violates a time-domain allocation restriction. The wireless device determines second start and length pairs for the two or more transmissions such that the time-domain allocation restriction is not violated. The wireless device transmits the two or more transmissions according to the determined second start and length pairs.

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