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    RACH CONFIGURATION IN L1/L2 MOBILITY
    111.
    发明申请
    RACH CONFIGURATION IN L1/L2 MOBILITY 审中-公开

    公开(公告)号：WO2022205397A1

    公开(公告)日：2022-10-06

    申请号：PCT/CN2021/085164

    申请日：2021-04-02

    Applicant: APPLE INC. ,  LI, Qiming

    Inventor： ZHANG, Dawei ,  SUN, Haitong ,  HE, Hong ,  NIU, Huaning ,  CUI, Jie ,  RAGHAVAN, Manasa ,  LI, Qiming ,  CHEN, Xiang ,  TANG, Yang ,  ZHANG, Yushu

    IPC: H04W74/08

    Abstract: Devices, systems, and methods for Random Access Channel (RACH) configuration in Layer 1 (L1) /Layer 2 (L2) mobility. A user equipment (UE) may obtain a downlink (DL) Transmission Configuration Indicator (TCI) list from a first Transmission and Reception Point (TRP). The DL TCI list may include DL beam information, RACH Occasion (RO) information, and initial Bandwidth Part (BWP) information associated with each DL TCI of a plurality of DL TCIs related to the first TRP and multiple TRPs adjacent to the first TRP. The UE may receive a handover command from the first TRP via Downlink Control Information (DCI) in L1 or Media Access Control (MAC) Control Element (CE) in L2. The handover command indicates a handover from the first TRP to a second TRP of the multiple TRPs for the UE, and includes a specified DL TCI related to the second TRP. The UE may determine RACH information related to the second TRP, based at least partly on the specified DL TCI related to the second TRP included in the handover command and the DL TCI list. The UE may then perform random access to the second TRP based on the RACH information related to the second TRP. The RACH information may include uplink (UL) beam information, RO information and Bandwidth Part (BWP) information for the UE to perform random access to the second TRP.

    HANDOVER IN DUAL CONNECTIVITY TO A PRIMARY BASE STATION AND A SECONDARY BASE STATION
    112.
    发明申请
    HANDOVER IN DUAL CONNECTIVITY TO A PRIMARY BASE STATION AND A SECONDARY BASE STATION 审中-公开

    公开(公告)号：WO2022205321A1

    公开(公告)日：2022-10-06

    申请号：PCT/CN2021/084971

    申请日：2021-04-01

    Applicant: APPLE INC. ,  CUI, Jie

    Inventor： TANG, Yang ,  LI, Qiming ,  RAGHAVAN, Manasa ,  CHEN, Xiang ,  NIU, Huaning ,  ZHANG, Dawei ,  HE, Hong ,  XU, Fangli ,  ZHANG, Yushu

    IPC: H04W36/00

    Abstract: Some aspects of this disclosure relate to apparatuses and methods for implementing techniques for a user equipment (UE) having dual connectivity. The UE can communicate with a first primary base station in a first primary cell (PCell) and a second primary base station in a second PCell. The UE has dual connectivity in the second PCell using a first wireless carrier to communicate with the second primary base station and a second wireless carrier to communicate with a secondary base station in a primary secondary cell (PSCell). The UE receives a message from the first primary base station to perform a handover procedure. The UE performs the handover procedure according to the received message, and further perform an addition procedure for the secondary base station in parallel with the handover procedure. A start time of the addition procedure can be before an end time of the handover procedure.

    METHODS AND APPARATUS FOR PRACH RESOURCE DETERMINATION AND RA-RNTI COMPUTATION IN WIRELESS COMMUNICATION
    113.
    发明申请
    METHODS AND APPARATUS FOR PRACH RESOURCE DETERMINATION AND RA-RNTI COMPUTATION IN WIRELESS COMMUNICATION 审中-公开

    公开(公告)号：WO2022154859A1

    公开(公告)日：2022-07-21

    申请号：PCT/US2021/060338

    申请日：2021-11-22

    Applicant: APPLE INC.

    Inventor： HE, Hong ,  YE, Chunxuan ,  ZHANG, Dawei ,  SUN, Haitong ,  NIU, Huaning ,  CUI, Jie ,  OTERI, Oghenekome ,  ZENG, Wei ,  TANG, Yang

    IPC: H04L5/00 ,  H04L27/26 ,  H04W72/00

    Abstract: Aspects herein relate to wireless devices, circuits, and methods for determining a PRACH resource mapping comprising a starting symbol position within a reference slot, wherein the starting symbol position is determined based, at least in part, on a subcarrier spacing configuration of PRACH resources of a wireless network that a wireless device is operating on; and using the radio to transmit a RACH preamble and an associated RA-RNTI via the determined PRACH resource mapping. Further aspects herein relate to devices, circuits, and methods for using a modified RA-RNTI for transmission or reception of data over a wireless network, wherein the wireless network has a subcarrier spacing configuration of PRACH resources, wherein a size of the subcarrier spacing configuration of the PRACH resources causes out-of-range RA-RNTI values to be calculated using a legacy RA-RNTI equation in an unmodified form, wherein the range of permissible RA-RNTI values is from 0 to 216-1.

    CSI-RS ENHANCEMENT FOR PORT SELECTION CODEBOOK WITH CHANNEL RECIPROCITY
    115.
    发明申请
    CSI-RS ENHANCEMENT FOR PORT SELECTION CODEBOOK WITH CHANNEL RECIPROCITY 审中-公开

    公开(公告)号：WO2022151561A1

    公开(公告)日：2022-07-21

    申请号：PCT/CN2021/076443

    申请日：2021-02-10

    Applicant: APPLE INC. ,  SUN, Haitong

    Inventor： ZHANG, Dawei ,  ZENG, Wei ,  ZHANG, Yushu ,  HE, Hong ,  YE, Chunxuan ,  NIU, Huaning ,  YANG, Weidong ,  OTERI, Oghenekome ,  CUI, Jie

    IPC: H04L5/00

    Abstract: The present disclosure relates to apparatus, methods, computer-readable storage medium and computer program product for CSI-RS enhancement for Port Selection Codebook with Channel Reciprocity. A cellular base station, comprising: at least one antenna; at least one radio coupled to the at least one antenna; and a processor coupled to the at least one radio; wherein the cellular base station is configured to: provide a Radio Resource Control (RRC) message to a wireless device; and provide a Channel State Information-Reference Signal (CSI-RS) to the wireless device via one or more ports based on the RRC message, wherein, the RRC message at least indicates one or more of: information on a density of the CSI-RS, information on time domain locations of the CSI-RS, information on a subset of ports for the wireless device to measure the CSI-RS, and information on a subset of Code Division Multiplexing (CDM) groups for the wireless device to measure the CSI-RS.

    SMTC2-LP BASED RRM ENHANCEMENT
    116.
    发明申请
    SMTC2-LP BASED RRM ENHANCEMENT 审中-公开

    公开(公告)号：WO2022151375A1

    公开(公告)日：2022-07-21

    申请号：PCT/CN2021/072221

    申请日：2021-01-15

    Applicant: APPLE INC.

    Inventor： CUI, Jie ,  TANG, Yang ,  LI, Qiming ,  RAGHAVAN, Manasa ,  CHEN, Xiang ,  NIU, Huaning ,  ZHANG, Dawei ,  HE, Hong

    IPC: H04W24/10 ,  H04W24/00

    Abstract: Provided is a method for a user equipment (UE), comprising performing, based on acquired information, in at least one of an idle mode and an inactive mode, at least one of an intra-frequency neighbor cell measurement and an inter-frequency neighbor cell measurement. The acquired information comprises at least one of a group of a periodicity of synchronization signal and physical broadcast channel block (SSB) -based measurement timing configuration (SMTC) and a periodicity of SMTC2-long periodicity (SMTC2-LP) and a physical cell identifier (PCI) list of SMTC2-LP.

    SCHEDULING RESTRICTION ENHANCEMENT FOR LTE AND NR DSS
    117.
    发明申请
    SCHEDULING RESTRICTION ENHANCEMENT FOR LTE AND NR DSS 审中-公开

    公开(公告)号：WO2022151340A1

    公开(公告)日：2022-07-21

    申请号：PCT/CN2021/072109

    申请日：2021-01-15

    Applicant: APPLE INC. ,  SUN, Haitong

    Inventor： NIU, Huaning ,  YANG, Weidong ,  ZHANG, Dawei ,  ZENG, Wei ,  ZHANG, Yushu ,  HE, Hong ,  YE, Chunxuan ,  CUI, Jie ,  TANG, Yang

    IPC: H04W72/04 ,  H04W72/12 ,  H04L12/24

    Abstract: Apparatuses, systems, and methods for supporting cross carrier scheduling in LTE and NR dynamic spectrum sharing (DSS). A cellular base station may generate control information in accordance with a set of criteria, wherein the set of criteria supports a special Secondary Cell (sSCell) which is a Secondary Cell (SCell) in scheduling a special Primary Cell (SpCell) which is either a Primary Cell (PCell) or a Primary Secondary Cell (PSCell). The cellular base station sends the control information to a wireless device. The control information may be associated with Type3-PDCCH CSS configuration including DCI Format 2_5 and 2_6, SCell dormancy behavior, scheduling restrictions, USS configuration including non-fallback and fallback DCI Formats, and interaction with Multi-DCI Multi-TRP operation. After receiving the control information, the wireless device may conduct corresponding performance.

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