| CPC H04W 24/10 (2013.01) | 18 Claims |

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1. A method implemented by a wireless transmit/receive unit (WTRU), the method comprising:
receiving information indicating a first radio bearer path configuration for a signaling radio bearer (SRB) associated with control plane data and a second radio bearer path configuration for a data radio bearer (DRB) associated with user plane data;
receiving information indicating one or more measurement configurations for one or more measurement objects associated with the SRB;
transmitting measurement data, as control plane data, associated with the one or more measurement objects using the SRB based on (1) the first radio bearer path configuration and (2) the one or more measurement configurations;
determining to activate the DRB for at least one measurement object of the one or more measurement objects based on an amount of the measurement data transmitted using the SRB exceeding a threshold value; and
after the determining to activate the DRB, transmitting (1) measurement data, as user plane data, associated with the at least one measurement object of the one or more measurement objects using the DRB based on the second radio bearer path configuration and the one or more measurement configurations, and measurement data, as control plane data, associated with the one or more measurement objects other than the at least one measurement object using the SRB based on the first radio bearer path configuration and the one or more measurement configurations.
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