CONTROL SIGNALING FOR SPECIAL CELL MOBILITY

Abstract

Methods, systems, and devices for wireless communications are described. In some systems, a network entity may configure a user equipment (UE) with a set of cells supporting Layer 1 (L1) mobility, Layer 2 (L2) mobility, or both for special cells (SpCells). The network entity may transmit a control signal, such as a medium access control (MAC) control element (CE) or a downlink control information (DCI) message, to the UE to update an SpCell. The control signal may include a cell identifier (ID) indicating which cell to set as the SpCell. Additionally, the control signal may include a transmission/reception point (TRP) ID indicating which TRP to set as the primary TRP (pTRP) for the SpCell. In response to the control signal, the UE may switch from a current SpCell to the cell indicated by the control signal and may communicate with the network via the pTRP of the new SpCell.

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