Techniques for inter-gNB migration of distributed unit

    公开(公告)号:US12010739B2

    公开(公告)日:2024-06-11

    申请号:US17492296

    申请日:2021-10-01

    CPC classification number: H04W76/10 H04W24/02 H04W88/14 H04W92/24

    Abstract: Present disclosure provides techniques for migrating integrated access and backhaul (IAB) nodes from the source centralized unit (CU) to a target IAB-donor-CU of a base station. Features of the present disclosure achieve such migration by configuring the IAB distributed unit (IAB-DU) to establish F1-connection (F1-C) with the target IAB-donor-CU via the source path before the user equipment (UE) context transfer occurs. To this end, the source IAB-donor-CU may initiate an F1-C establishment between IAB-node DU and target IAB-donor-CU. The source IAB-donor-CU may do so by acting or presenting as an IAB-node-DU proxy to the target IAB-donor-CU. At the same time, the source IAB-donor-CU may act or present as a target-IAB-donor-CU proxy to the IAB-node-DU. Thus, in some cases, the source IAB-donor-CU may present as both the IAB-node-DU proxy (to the target IAB-donor-CU) and as a target-IAB-donor-CU proxy (to the IAB-node-DU).

    DYNAMIC INDICATION OF TRACKING REFERENCE SIGNAL

    公开(公告)号:US20240106600A1

    公开(公告)日:2024-03-28

    申请号:US17951629

    申请日:2022-09-23

    CPC classification number: H04L5/0051 H04W24/10 H04W68/005

    Abstract: Methods, systems, and devices for dynamic indication of tracking references signal (TRS) and wireless communications are described. A user equipment (UE) that is operating in a first operating mode may receive one or more TRS parameters from a network entity for the UE to perform channel measurements associated with one or more TRSs. The UE may receive a dynamic paging indicator message that indicates a set of updated TRS parameters. The dynamic paging indicator may include at least one TRS parameter that is different from the one or more TRS parameters. The UE may then receive one or more TRSs, and may perform channel measurement in accordance with the set of updated TRS parameters.

    METHODS AND APPARATUS FOR ASSISTED FREQUENCY SCAN SIGNALING

    公开(公告)号:US20240098633A1

    公开(公告)日:2024-03-21

    申请号:US17933732

    申请日:2022-09-20

    CPC classification number: H04W52/0206

    Abstract: Methods and apparatus for assisted frequency scan signaling are described. A method for wireless communication at a cell may comprise entering a semi-active state corresponding to an energy-saving mode of operation of the cell; configuring a downlink signal to assist at least one user equipment (UE) to detect a synchronization signal transmitted from at least one cell in an active state; and transmitting the downlink signal during the semi-active state. A method for wireless communication at a UE may comprise receiving a downlink signal from a cell in a semi-active state corresponding to an energy-saving mode of operation of the cell; detecting, based at least in part on the downlink signal, a synchronization signal transmitted from at least one cell in an active state; and establishing a connection with the at least one cell in the active state based at least in part on the synchronization signal.

    Coordinated clear channel assessment (CCA) for wireless repeaters

    公开(公告)号:US11937298B2

    公开(公告)日:2024-03-19

    申请号:US17447787

    申请日:2021-09-15

    CPC classification number: H04W74/0808 H04B7/2612 H04L12/413

    Abstract: Systems, devices, and methods for performing coordinated clear channel assessments (CCAs) in a shared radiofrequency band are provided. In one aspect, a method of wireless communication performed by a first wireless communication device includes: receiving a control signal indicating a CCA trigger associated with the first wireless communication device and a second wireless communication device; performing, based on the CCA trigger, a CCA; transmitting, to the second wireless communication device based on the CCA, a first CCA success signal; receiving, from the second wireless communication device, a second CCA success signal; initiating, based on the first CCA success signal and the second CCA success signal, a channel occupancy time (COT); and amplifying and forwarding a communication in the COT.

    MOBILITY OPTIMIZATION FOR NETWORK ENERGY SAVING

    公开(公告)号:US20240049088A1

    公开(公告)日:2024-02-08

    申请号:US17883188

    申请日:2022-08-08

    CPC classification number: H04W36/165 H04W52/0203

    Abstract: Methods, systems, and devices for wireless communications are described. Some wireless communications systems may support mobility optimization for network energy saving. In some cases, user equipment (UE), operating in an idle or inactive mode, may receive an indication of an operation mode from a set of operation modes, where each network entity of a set of network entities is associated with an operation mode from the set of operation modes, including at least an energy saving mode and a baseline mode. The UE may calculate a set of values for each network entity based on the received indication and one or more parameters associated with the operation mode of a respective network entity. Additionally, the UE may select a network entity from the set of network entities based on each value of the set of values associated with the selected network entity being greater than one or more thresholds.

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