Improved Secondary Cell Activation Mechanism in the New Radio Unlicensed Spectrum

    公开(公告)号:US20220417990A1

    公开(公告)日:2022-12-29

    申请号:US17437784

    申请日:2021-03-31

    Applicant: Apple Inc.

    Abstract: An apparatus may receive a media access control (MAC) control element (CE) from a base station (BS) indicating a secondary cell (SCell) to be activated in an unlicensed band. The apparatus may initiate a timer with an end value in response to receiving the MAC CE and may further adjust a radio-frequency (RF) chain from a first state to a second state corresponding to the SCell to be activated. The apparatus may determine, based on measurements of one or more synchronization signal blocks (SSBs) transmitted from the BS indicating one or more listen before talk (LBT) failures corresponding to the SCell, one or more failed SSB transmissions corresponding to the SCell. Accordingly, the apparatus may readjust, in response to expiry of the timer, the RF chain from the second state to the first state and receive one or more additional SSBs in the first state.

    MECHANISM AND SIGNALING ON CORESET AND PUCCH RESOURCE GROUPING FOR MULTI-TRP OPERATION

    公开(公告)号:US20220159772A1

    公开(公告)日:2022-05-19

    申请号:US17440526

    申请日:2020-05-08

    Applicant: Apple Inc.

    Abstract: Systems, devices, and techniques for wireless communications based on one or more transmission configuration indicator (TCI) states are described. A described technique performed by a user equipment (UE) includes receiving a first downlink channel based on a current TCI state; receiving a physical downlink shared channel (PDSCH) in a first slot, the PDSCH carrying a radio resource control (RRC) activation command in the first slot, the RRC activation command indicating a switch to a target TCI state; waiting until an end of a switching period triggered by the RRC activation command to use the target TCI state, the switching period being based on a RRC processing delay; and receiving, based on the end of the switching period, a second downlink channel based on the target TCI state in a second slot.

    RRM Measurement Restriction on CLI Measurement

    公开(公告)号:US20220124533A1

    公开(公告)日:2022-04-21

    申请号:US17439767

    申请日:2020-06-12

    Applicant: Apple Inc.

    Abstract: Disclosed are methods, systems, apparatus, and computer programs for a coordination mechanism between a network and a user equipment (UE) that is configured to perform cross-link interference (CLI) measurements, In one aspect, a method includes generating a message that indicates a capability of a user equipment (UE) whether to support simultaneous reception of at least one N signal associated with cross-link interference (CLI) measurement and at least one signal associated with a serving cell or a neighbor C cell of the UE. The method further includes transmitting the message to an access node (AN).

    Management Prioritization for Subsequent Small Data Transmission in Inactive Mode

    公开(公告)号:US20250133592A1

    公开(公告)日:2025-04-24

    申请号:US18835546

    申请日:2022-02-11

    Applicant: Apple Inc.

    Abstract: Methods, apparatuses, and systems are disclosed for determining prioritization of subsequent small data transmissions (SDTs) and measurement occasions for a UE in inactive mode. The UE may determine that one or more subsequent SDT occasions of an SDT session conflict in time with one or more measurement occasions scheduled during the SDT session. In response, the UE may determine which of the subsequent SDT occasions to utilize or forgo, and which of the measurement occasions to utilize or forgo. The procedure for making such determinations may vary based on the type of measurement occasion involved in the conflict. For example, the procedure may vary based on whether the measurement event pertains to inter-frequency neighbor cell measurement occasions, inter-RAT neighbor cell measurement occasions, intra-frequency neighbor cell measurement occasions, serving cell downlink measurement occasions, and/or serving cell paging occasions.

    BEAM SWITCHING MECHANISMS FOR COMMON BEAM MANAGEMENT IN FREQUENCY RANGE 2

    公开(公告)号:US20250119199A1

    公开(公告)日:2025-04-10

    申请号:US18729932

    申请日:2022-02-11

    Applicant: Apple Inc.

    Abstract: Systems, methods, and circuitries are disclosed for avoiding slot decoding failure due to beam switching of a common beam. In one example, a baseband processor for a user equipment (UE) is configured to cause the UE to perform various operations. The operations include receiving a data transmission on a plurality of component carriers (CCs) carrying corresponding symbols on a common beam; receiving a beam switch command from the network node, wherein the beam switch command is configured to cause the UE to switch a receiving (RX) beam at an end boundary of a first symbol of the data transmission; identifying one or more symbols for restricted scheduling in one or more CCs of the plurality of CCs based on the beam switching on the first symbol; and ignoring the one or more symbols identified for restricted scheduling for decoding of the data transmission.

    Scaling factor for new radio gap based measurement

    公开(公告)号:US12267713B2

    公开(公告)日:2025-04-01

    申请号:US18472846

    申请日:2023-09-22

    Applicant: Apple Inc.

    Abstract: Systems and methods are described for configuring cell identification requirements for a user equipment (UE). The systems and methods can include at least determining a number of measurement objects (MOs) that collide with a target MO for the UE, determining a scaling factor to be used for an inter-frequency cell identification requirement, and transmitting to the UE an indication of the scaling factor.

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