Uplink Transmission Enhancements for Multi-TRP Operation

    公开(公告)号:US20220303079A1

    公开(公告)日:2022-09-22

    申请号:US17593424

    申请日:2020-10-15

    Applicant: Apple Inc.

    Abstract: A base station and a user equipment (UE) communicate the configure uplink communications in a multi-transmission and reception point (multi-TRP) configured network. The UE receives an indication of multiple sounding reference signal (SRS) resources that are to be used for uplink beam tracking, wherein each SRS resource is associated with different spatial relation information, transmits SRS using the associated spatial relation information, receives an indication that a user equipment (UE) is configured with one or more beam pairs, the one or more beam pairs configured by the network based on the SRS and transmits an uplink channel based on the indicated one or more beam pairs.

    SYSTEM AND METHODS FOR SIGNALING MECHANISM FOR UE ASSISTANCE FEEDBACK

    公开(公告)号:US20220190886A1

    公开(公告)日:2022-06-16

    申请号:US17421244

    申请日:2020-01-10

    Applicant: Apple Inc.

    Abstract: Some embodiments of this disclosure include apparatuses and methods for a signaling mechanism for user equipment (UE) assistance feedback in a wireless communication system. At least a radio frequency integrated circuit can be configured to receive a first configuration signal, and transmit a first message comprising a UE assistance feedback, generated based on the first configuration signal, in an uplink (UL) channel. The first message can contain an index of a profile with information on a service requirement, a traffic characteristic, or a combination thereof of a network. A processor, coupled to the radio frequency integrated circuit, can be configured to generate the UE assistance feedback based on the first configuration signal.

    RADIO LINK MONITORING ENHANCEMENTS FOR POWER SAVINGS

    公开(公告)号:US20220022064A1

    公开(公告)日:2022-01-20

    申请号:US17290692

    申请日:2019-10-30

    Applicant: Apple Inc.

    Abstract: Systems, apparatuses, methods, and computer-readable media are provided for radio link monitoring (RLM) evaluation period and layer 1 (L1) indication interval enhancements. A user equipment (UE) uses a scaling factor to scale the RLM evaluation period and/or the L1 indication interval. Different scaling factors may be used for different scenarios, conditions, or criteria. The same or different scaling factors may be used for the RLM evaluation period and the L1 indication interval. The scaling factor or a scaling factor index may be signaled to the UE by higher layer signaling. Other embodiments may be described and/or claimed.

    Collision Handling of Synchronization Signal (SS) Blocks

    公开(公告)号:US20210410086A1

    公开(公告)日:2021-12-30

    申请号:US16625131

    申请日:2018-06-20

    Applicant: Apple Inc.

    Abstract: A user equipment (UE) can include processing circuitry configured to decode synchronization information within a synchronization signal (SS) block, the SS block received within a SS burst set and occupying a subset of a plurality of Orthogonal Frequency Division Multiplexing (OFDM) symbols within a slot. At least one of the symbols in the subset coincides with a pre-defined symbol location associated with a demodulation reference signal (DM-RS) of a physical downlink shared channel (PDSCH). A synchronization procedure can be performed with a next generation Node-B (gNB) based on the synchronization information within the SS block. The DM-RS can be detected within the slot, where the DM-RS starts at a symbol location that is shifted from the pre-defined symbol location and following the subset of symbols. Downlink data received via the PDSCH is decoded based on the detected DM-RS.

    User Equipment Radio Frequency and Band Capability for Carrier Aggregation Measurement Gap

    公开(公告)号:US20200244409A1

    公开(公告)日:2020-07-30

    申请号:US16748977

    申请日:2020-01-22

    Applicant: Apple Inc.

    Abstract: Briefly, in accordance with one or more embodiments, user equipment (UE) comprising circuitry to connect to a network via a serving cell; and indicate to the network a measurement gap capability of the UE. The measurement gap capability includes information if the UE supports a carrier aggregation (CA) specific measurement gap and if the UE has two or more radio-frequency (RF) chains. The UE then receives a CA specific measurement gap configuration from the network for the two or more RF chains.

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