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    RACH-less fallback to two-step or four-step RACH with UL grant
    31.
    发明授权
    RACH-less fallback to two-step or four-step RACH with UL grant 有权

    公开(公告)号：US10945175B2

    公开(公告)日：2021-03-09

    申请号：US16516418

    申请日：2019-07-19

    Applicant: Nokia Technologies Oy

    Inventor： Faranaz Sabouri-Sichani ,  Ahmad Awada ,  Rakash SivaSiva Ganesan ,  Jedrzej Stanczak ,  Thomas Hohne ,  Anup Talukdar

    IPC: H04W4/00 ,  H04W36/08 ,  H04W72/14 ,  H04W76/27 ,  H04W74/08 ,  H04W76/18 ,  H04W74/02

    Abstract: In accordance with example embodiments of the invention there is at least a method and apparatus to perform at least receiving, by a network device of a communication network, information providing an indication to connect to a network node of the communication network using a Random Access Channel (RACH)-less) signaling procedure; determining that connecting to the network node using the RACH-less signaling procedure has failed; and based on the RACH-less signaling procedure failing, using at least one alternative signaling procedure for connecting to the network node using uplink (UL) resources from RACH-less procedure. Further, in accordance with example embodiments of the invention there is at least a method and apparatus to perform based on a RACH-less signaling procedure from a network device failing to connect to a network node, receiving, by the network node, at least one alternative signaling procedure from the network device for the connecting; and establishing a connection with the network device based on the at least one alternative signaling procedure from the network device using the UL resources from RACH-less procedure.

    User equipment adaptation of reporting triggers based on active set size
    32.
    发明授权
    User equipment adaptation of reporting triggers based on active set size 有权

    公开(公告)号：US10341891B2

    公开(公告)日：2019-07-02

    申请号：US14790636

    申请日：2015-07-02

    Applicant: Nokia Technologies Oy

    Inventor： Ingo Viering ,  Jarmo Makinen ,  Fasil Berhanu Tesema ,  Ahmad Awada ,  Andreas Lobinger

    IPC: H04W24/10 ,  H04W36/00 ,  H04W36/18 ,  H04W36/30

    Abstract: When a given user equipment (UE) has a plurality K of cells currently serving it, in various embodiments there is an algorithm for triggering the UE to wirelessly send a cell measurement report. The algorithm utilizes a parameter whose value is dependent on the number K of cells currently in the UE's active set. The UE updates K anytime a new cell is added to, or a serving cell is removed from, the UE's active set. In various examples the parameter is an offset that operates such that for adding a new cell increasing values of K make it more difficult to satisfy the algorithm. One example has the offset's value computed using a slope value provided by the network and a default offset value; another has the offset's value computed using maximum and minimum allowable values of both K and the offset which are provided by the network.

    Methods and systems for multiple cell target conditional handover
    35.
    发明授权
    Methods and systems for multiple cell target conditional handover 有权

    公开(公告)号：US12262257B2

    公开(公告)日：2025-03-25

    申请号：US17622258

    申请日：2020-07-08

    Applicant: Nokia Technologies Oy

    Inventor： Hans Thomas Höhne ,  Ahmad Awada ,  Faranaz Sabouri-Sichani

    IPC: H04W36/00 ,  H04B17/382 ,  H04L12/413 ,  H04W36/30 ,  H04W36/36 ,  H04B17/318

    Abstract: A user equipment (UE) includes at least one processor and at least one memory including computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the UE to obtain a conditional handover command, the conditional handover command indicating a multiple cell target for handover from a source cell and at least one performance margin, each of the at least one performance margin associated with a cell neighboring a first cell in the multiple cell target, determine whether to initiate a handover to the first cell based on the at least one performance margin, and transmit data to the first cell based on the determination of whether to initiate the handover.

    Feedback on network-assisted fallback to contention-based random access
    37.
    发明授权
    Feedback on network-assisted fallback to contention-based random access 有权

    公开(公告)号：US12089098B2

    公开(公告)日：2024-09-10

    申请号：US17633238

    申请日：2019-08-14

    Applicant: Nokia Technologies Oy

    Inventor： Muhammad Naseer-Ul-Islam ,  Ahmad Awada ,  Andreas Lobinger

    IPC: H04W4/00 ,  H04W36/00 ,  H04W74/00 ,  H04W74/0833

    CPC classification number: H04W36/0072 ,  H04W36/0058 ,  H04W74/004 ,  H04W74/0833

    Abstract: There are provided measures for feedback on network-assisted fallback to contention-based random access. Such measures exemplarily comprise, at a terminal connected to at least one network slice and being subject to a handover from a source access point to a target access point, receiving a handover command message including handover assistance information indicative of a first pool of random access channel resources to be used by said terminal upon fallback to contention-based random access during a handover processing, selecting first random access channel resources as attempt random access channel resources from said first pool of random access channel resources, attempting random access to said target access point utilizing said attempt random access channel resources, storing, if said attempting random access to said target access point utilizing said attempt random access channel resources is unsuccessful, attempt related information to an attempt failure list, and transmitting, if said attempting random access to said target access point utilizing said attempt random access channel resources is successful, said attempt failure list to said target access point.

    Methods for handling load variations in handover scenarios
    38.
    发明授权
    Methods for handling load variations in handover scenarios 有权

    公开(公告)号：US12069522B2

    公开(公告)日：2024-08-20

    申请号：US17600362

    申请日：2019-04-05

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： Muhammad Naseer-Ul-Islam ,  Ingo Viering ,  Ahmad Awada

    IPC: H04W36/00

    CPC classification number: H04W36/0072

    Abstract: Aspects of the present invention pertain to a method, comprising receiving a preparatory handover request pertaining to at least one or more physical resources, respectively associated to a particular communication service, preliminarily deciding on the feasibility of such preparatory handover request for each of said at least one or more physical resources associated to the particular communication service dependent on at least one feasibility criterion, and validating the preliminary decision on the feasibility of the preparatory handover request dependent on at least one validation criterion. Likewise, corresponding apparatus and computer program products are addressed, both from network entity perspective such as a gNB, as well as from a terminal's perspective, e.g. from a UE perspective.

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