A wireless device receives radio resource control (RRC) message(s) comprising configuration parameters of: a measurement object of a carrier. The measurement object indicates one or more reference signals. The RRC message(s) comprise a measurement report associated with the measurement object. The RRC message(s) comprise one or more conditions to initiate, based on the measurement object, a first measurement of a signal quality of the one or more reference signals. A determination is made of whether one or more conditions are met. In response to the determination indicating that the one or more conditions are met, the first measurement of a signal quality of the one or more reference signals is initiated. The signal quality based on the measurement report transmit.