公开(公告)号：US20220386189A1

公开(公告)日：2022-12-01

申请号：US17332737

申请日：2021-05-27

Applicant: APPLE INC.

Inventor： Vijayant Kumar ,  Kulwinder Saini ,  Sushant Kumar

IPC: H04W36/00 ,  H04W24/02

Abstract: Systems and methods for a user equipment (UE) operating in a multi-radio dual connectivity (MR-DC) mode with a master node (MN) and a secondary node (SN) are described herein. A UE receives master cell group (MCG) configuration information for an MCG link with the MN and secondary cell group (SCG) configuration information for an SCG link with the SN, attendant to an attempted MR-DC transition. The UE validates the MCG configuration information and determines that the SCG configuration cannot be applied. The UE applies the MCG configuration information and sends the MN a message indicating that the MCG configuration information and the SCG configuration information were each applied (thereby avoiding a determination of overall MR-DC transition failure due to the unusable SCG configuration information). The UE later sends the MN a message indicating that the SCG configuration information cannot be applied, allowing the network to appropriately react.

公开(公告)号：US12238595B2

公开(公告)日：2025-02-25

申请号：US18734495

申请日：2024-06-05

Applicant: APPLE INC.

Inventor： Kulwinder Saini ,  Vijayant Kumar

IPC: H04W36/00

Abstract: Systems and methods for ultra reliable reporting of secondary cell group (SCG) measurements to a secondary node (SN) used in multi-radio dual connectivity (MR-DC) operation that specifically account for the possibility of SCG special cell (SpCell) degradation are disclosed herein. A user equipment (UE) may establish a signaling radio bearer (SRB) 3 with the SN. The UE may then identify that a handover condition (which may be associated with SCG SpCell degradation) for the SCG SpCell is met, and accordingly send an SCG measurement report over each of the SRB3 and an SRB1 between the UE and a master node (MN) used in the MR-DC operation. Such information received at the MN is forwarded to the SN. Accordingly, the reception of SCG measurement reports (to enable handover to a new SpCell by the SN) is not solely dependent messages on the SpCell of the SCG alone (using SRB3), improving reliability.

公开(公告)号：US12047821B2

公开(公告)日：2024-07-23

申请号：US17224377

申请日：2021-04-07

Applicant: APPLE INC.

Inventor： Kulwinder Saini ,  Vijayant Kumar

IPC: H04W36/00

CPC classification number: H04W36/0069 ,  H04W36/0022 ,  H04W36/0058 ,  H04W36/00837 ,  H04W36/0085

Abstract: Systems and methods for ultra reliable reporting of secondary cell group (SCG) measurements to a secondary node (SN) used in multi-radio dual connectivity (MR-DC) operation that specifically account for the possibility of SCG special cell (SpCell) degradation are disclosed herein. A user equipment (UE) may establish a signaling radio bearer (SRB) 3 with the SN. The UE may then identify that a handover condition (which may be associated with SCG SpCell degradation) for the SCG SpCell is met, and accordingly send an SCG measurement report over each of the SRB3 and an SRB1 between the UE and a master node (MN) used in the MR-DC operation. Such information received at the MN is forwarded to the SN. Accordingly, the reception of SCG measurement reports (to enable handover to a new SpCell by the SN) is not solely dependent messages on the SpCell of the SCG alone (using SRB3), improving reliability.

公开(公告)号：US20220345958A1

公开(公告)日：2022-10-27

申请号：US17812047

申请日：2022-07-12

Applicant: APPLE INC.

Inventor： Kulwinder Saini ,  Vijayant Kumar

IPC: H04W36/00

Abstract: Systems and methods for ultra reliable reporting of secondary cell group (SCG) measurements to a secondary node (SN) used in multi-radio dual connectivity (MR-DC) operation that specifically account for the possibility of SCG special cell (SpCell) degradation are disclosed herein. A user equipment (UE) may establish a signaling radio bearer (SRB) 3 with the SN. The UE may then identify that a handover condition (which may be associated with SCG SpCell degradation) for the SCG SpCell is met, and accordingly send an SCG measurement report over each of the SRB3 and an SRB1 between the UE and a master node (MN) used in the MR-DC operation. Such information received at the MN is forwarded to the SN. Accordingly, the reception of SCG measurement reports (to enable handover to a new SpCell by the SN) is not solely dependent messages on the SpCell of the SCG alone (using SRB3), improving reliability.

公开(公告)号：US20220330105A1

公开(公告)日：2022-10-13

申请号：US17224377

申请日：2021-04-07

Applicant: APPLE INC.

Inventor： Kulwinder Saini ,  Vijayant Kumar

IPC: H04W36/00

Abstract: Systems and methods for ultra reliable reporting of secondary cell group (SCG) measurements to a secondary node (SN) used in multi-radio dual connectivity (MR-DC) operation that specifically account for the possibility of SCG special cell (SpCell) degradation are disclosed herein. A user equipment (UE) may establish a signaling radio bearer (SRB) 3 with the SN. The UE may then identify that a handover condition (which may be associated with SCG SpCell degradation) for the SCG SpCell is met, and accordingly send an SCG measurement report over each of the SRB3 and an SRB1 between the UE and a master node (MN) used in the MR-DC operation. Such information received at the MN is forwarded to the SN. Accordingly, the reception of SCG measurement reports (to enable handover to a new SpCell by the SN) is not solely dependent messages on the SpCell of the SCG alone (using SRB3), improving reliability.

公开(公告)号：US20240406814A1

公开(公告)日：2024-12-05

申请号：US18734495

申请日：2024-06-05

Applicant: APPLE INC.

Inventor： Kulwinder Saini ,  Vijayant Kumar

IPC: H04W36/00

Abstract: Systems and methods for ultra reliable reporting of secondary cell group (SCG) measurements to a secondary node (SN) used in multi-radio dual connectivity (MR-DC) operation that specifically account for the possibility of SCG special cell (SpCell) degradation are disclosed herein. A user equipment (UE) may establish a signaling radio bearer (SRB) 3 with the SN. The UE may then identify that a handover condition (which may be associated with SCG SpCell degradation) for the SCG SpCell is met, and accordingly send an SCG measurement report over each of the SRB3 and an SRB1 between the UE and a master node (MN) used in the MR-DC operation. Such information received at the MN is forwarded to the SN. Accordingly, the reception of SCG measurement reports (to enable handover to a new SpCell by the SN) is not solely dependent messages on the SpCell of the SCG alone (using SRB3), improving reliability.