| 摘要 |
<p>Stopping a multi-input multi-output, called MIMO, operation for a user equipment, known as UE, of a wireless communications system to ensure that the UE can receive downlink data after the MIMO operation is stopped includes indicating lower layers of the UE to stop the MIMO operation when an ACTIVE SET UPDATE message, a CELL UPDATE CONFIRM message, or a reconfiguration message not including a MIMO parameter information element, called IE, is received from a network terminal (302).
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