- 专利标题: METHODS AND SYSTEMS FOR BEAM RECOVERY AND MANAGEMENT
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申请号: US18476874申请日: 2023-09-28
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公开(公告)号: US20240023183A1公开(公告)日: 2024-01-18
- 发明人: Yugeswar Deenoo , Tao Deng , Martino M. Freda , Ghyslain Pelletier , Faris Alfarhan
- 申请人: InterDigital Patent Holdings, Inc.
- 申请人地址: US DE Wilmington
- 专利权人: InterDigital Patent Holdings, Inc.
- 当前专利权人: InterDigital Patent Holdings, Inc.
- 当前专利权人地址: US DE Wilmington
- 主分类号: H04W76/19
- IPC分类号: H04W76/19 ; H04W76/16 ; H04W74/08 ; H04W72/21 ; H04W72/23
摘要:
A system and methods for beam failure recovery and management for multi-carrier communications with beamforming are disclosed herein. A wireless transmit/receive unit (WTRU) may monitor for and detect a beam failure of a beam associated with a secondary cell (Scell). The WTRU may select an Scell candidate beam. The WTRU may transmit using a selected uplink (UL) resource in a primary cell (SpCell) a medium access control (MAC) control element (CE) including an indication of Scell beam failure and identifying the selected candidate beam. The WTRU may receive an Scell beam failure indication response on the SpCell indicating an SCell index and a downlink (DL) quasi co-location (QCL) reference associated with the Scell. The WTRU may verify that the DL QCL reference matches with the candidate beam. The WTRU may perform random access on the SCell using the selected QCL reference and the selected candidate beam.
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