METHODS, SYSTEMS, AND APPARATUSES FOR BEAM MANAGEMENT

    公开(公告)号:EP3681086A1

    公开(公告)日:2020-07-15

    申请号:EP20151054.2

    申请日:2020-01-09

    IPC分类号: H04L5/00 H04W72/04 H04B7/08

    摘要: Wireless communications are described. A base station may send control information for scheduling data to be transmitted to the wireless device via a downlink. The control information may comprise one or more indications of wireless resources to be used by the wireless device to receive the data. The wireless device may receive the data based on one or more determinations/conditions, such as satisfying a time offset (e.g., between reception of the downlink information and a scheduled transmission of the data), whether a control resource set is configured to indicate a transmission configuration state, and/or whether the control information indicates a transmission configuration state.

    CHANNEL SELECTION USING A LISTEN BEFORE TALK PROCEDURE

    公开(公告)号:EP3609284A1

    公开(公告)日:2020-02-12

    申请号:EP19190988.6

    申请日:2019-08-09

    IPC分类号: H04W74/08 H04L5/00

    摘要: Wireless communications between a base station and one or more wireless devices are described. Multiple downlink reference signals may correspond to multiple random access resources for a random access procedure. A base station may provide a set of downlink reference signals before a set of physical random access channels (PRACHs) are available for use. A wireless device performing a random access procedure may select two or more random access resource occasions (e.g., PRACH occasions) based on the downlink reference signals. Using a listen before talk (LBT) procedure, the wireless device may select a first available random access resource occasion from the two or more random access resource occasions that are determined to be clear.

    MULTIPLE ACTIVE BANDWIDTH PARTS
    3.
    发明公开

    公开(公告)号:EP3570482A1

    公开(公告)日:2019-11-20

    申请号:EP19174705.4

    申请日:2019-05-15

    IPC分类号: H04L5/00 H04W72/04

    摘要: Bandwidth parts (BWPs) and other resources for wireless communications are described. A wireless device may use a BWP control procedure and/or a BWP timer management procedure for activating, deactivating, and/or switching BWPs, for example, using multiple active BWPs. A base station may send information comprising one or more fields indicating an action associated with a BWP, for example, if multiple active BWPs are supported. A wireless device may control a first BWP inactivity timer associated with a first active BWP, for example, based on activating, deactivating, and/or switching a second BWP.

    BEAM FAILURE REPORT
    5.
    发明公开
    BEAM FAILURE REPORT 审中-公开

    公开(公告)号:EP3528398A1

    公开(公告)日:2019-08-21

    申请号:EP19157460.7

    申请日:2019-02-15

    IPC分类号: H04B7/06 H04W76/19

    摘要: Systems, apparatuses, and methods are described for wireless communications. A wireless device configured to communicate via beams of one or more cells may report a beam failure using a media access control (MAC) control element (CE) (e.g., a power headroom report (PHR) MAC CE). The MAC CE may also be used to report other information for one or more cells with which the wireless device is associated. Beam failure reporting with a MAC CE may be combined with other beam failure procedures.

    BEAM FAILURE RECOVERY PROCEDURE IN CARRIER AGGREGATION

    公开(公告)号:EP3525516A1

    公开(公告)日:2019-08-14

    申请号:EP19156175.2

    申请日:2019-02-08

    IPC分类号: H04W36/00 H04B7/0408

    摘要: Systems, apparatuses, and methods are described for wireless communications. A base station may send, to a wireless device, one or more configuration parameters of a primary cell and a secondary cell. The one or more configuration parameters may comprise: a first preamble for a first beam failure recovery (BFR) procedure of the primary cell, a second preamble for a second BFR procedure of the secondary cell and a time-frequency resource associated with the primary cell. The wireless device may send the first preamble via the time-frequency resource associated with the primary cell to perform the first BFR procedure. The wireless device may send the second preamble via the time-frequency resource associated with the primary cell to perform the second BFR.

    POWER CONTROL FOR CHANNEL STATE INFORMATION
    10.
    发明公开

    公开(公告)号:EP3512265A1

    公开(公告)日:2019-07-17

    申请号:EP19151142.7

    申请日:2019-01-10

    IPC分类号: H04W52/14

    摘要: Systems, apparatuses, and methods are described for wireless communications. A base station may send, to a wireless device, one or more radio resource control messages comprising power control parameters and/or other wireless resources. The base station may send, to the wireless device, activation or deactivation of channel state information reporting. The wireless device may adjust, based on one or more of the activation or deactivation, at least one value associated with a transmission power of an uplink channel transmission.