Method and apparatus for measurement reporting in carrier aggregation wireless communication systems

An integrated circuit configured to control operation of a communication apparatus, the integrated circuit comprising:

• reception circuitry, which, in operation, receives a measurement report from a terminal apparatus,
• wherein the measurement report is created by the terminal apparatus when an occurrence of an event is detected by the terminal apparatus in a cell, among multiple cells including serving cells and non-serving cells, wherein the serving cells are aggregately used by the terminal apparatus to communicate with the communication apparatus on serving frequencies, and the non-serving cells are not presently used by the terminal apparatus to communicate with the communication apparatus, and
• wherein the measurement report indicates radio conditions of the serving cells and the non-serving cells, and the reported radio conditions include radio conditions of a best non-serving cell which is selected from the non-serving cells based on reference signal received power (RSRP) on one of the serving frequencies;
• and
• transmission circuitry, which is coupled to the reception circuitry and which, in operation, transmits a handover command to the terminal apparatus when the communication apparatus makes a handover decision based on the received measurement report.