UE Handling of Interlaced UL Cancellation Indication

    公开(公告)号:US20230217475A1

    公开(公告)日:2023-07-06

    申请号:US17593821

    申请日:2020-09-24

    Applicant: Apple Inc.

    CPC classification number: H04W72/53 H04W72/23

    Abstract: A method for wireless communication includes: requesting transmission, by a wireless device, of uplink (UL) transmissions to a wireless station; receiving, by the wireless device, a UL cancellation indication (CI) to be applied to a determined reference region; determining, by the wireless device, a set of UL resources for cancellation based on the UL CI received from the wireless station (e.g., by determining an indication of particular interlaces and/or particular Physical Resource Blocks within such interlaces that are to be canceled), wherein at least a subset of the UL resources for cancellation are interlaced; and canceling, by the wireless device, UL transmissions over at least the determined set of UL resources for cancellation (i.e., additional UL transmissions may be cancelled, too). The wireless device may then perform UL transmissions that do not overlap with the determined set of UL resources for cancellation in any UL CI to the wireless station.

    New Radio Coverage Limit Enhanced Channel Estimation

    公开(公告)号:US20230216711A1

    公开(公告)日:2023-07-06

    申请号:US17593824

    申请日:2020-09-24

    Applicant: Apple Inc.

    CPC classification number: H04L25/0228 H04L5/0051

    Abstract: Various techniques are presented to improve channel estimation in a wireless system, comprising: receiving, by a wireless device, an indication of a physical downlink channel configuration for receiving a physical downlink channel transmission, the physical downlink channel transmission including a demodulation reference signal (DMRS); transmitting an indication that the wireless device supports bundling DMRS signals across multiple slots; receiving a DMRS configuration, the DMRS configuration including a channel estimation bundle window, the channel estimation bundle window indicating that channel estimation may be performed across multiple slots; receiving a set of DMRS signals within the channel estimation bundle window, wherein a first DMRS signal of the set of DMRS signals is received in a first slot, and wherein a second DMRS signal of the set of DMRS signals is received in a second slot; and estimating a radio channel based on the first DMRS signal and the second DMRS signal.

    LAYER 2 OPERATION FOR LAYER 1 AND LAYER 2-CENTRIC INTER-CELL MOBILITY

    公开(公告)号:US20230209423A1

    公开(公告)日:2023-06-29

    申请号:US17593228

    申请日:2021-04-01

    Applicant: APPLE INC.

    CPC classification number: H04W36/08 H04W36/0033 H04W76/20 H04W76/30

    Abstract: Layer 2 handling during a cell change procedure includes decoding an RRC reconfiguration message received from a first cell. The RRC reconfiguration message includes a Layer 1 (L1) configuration corresponding to a second cell. The first cell and the second cell share an SDAP entity, a PDCP entity, an RLC entity, and a MAC entity. The first cell and the second cell have a separate L1 entity. In response to decoding the RRC reconfiguration message, the L1 configuration corresponding to the second cell is stored. A cell change message received from the first cell is decoded. The cell change message indicates that a cell change from the first cell to the second cell is to be performed. The stored L1 configuration corresponding to the second cell is applied for data transmission and reception associated with the second cell. A cell change to the second cell is initiated.

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