Patent ID: 9485663
Filing Date: 2016-11-01
CPC Classification: H04W

Claim Text:
1. A method for selecting, by a pico eNodeB, a carrier in a wireless communication system, the method comprising: measuring a reference signal received from a macro eNB when the pico eNodeB is powered on; transmitting a carrier information request message including a request of information on carriers used by the macro eNB; receiving a carrier information response message as a response of the carrier information request message, the carrier information response message including the information on carriers used by the macro eNB; selecting, by the pico eNodeB, a primary cell (PCell) of the pico eNB autonomously based on the received information on carriers used by the macro eNB, and wherein the information on carriers used by the macro eNB indicates which carrier is mainly used as the PCell by the macro eNB and which other carrier is used as a secondary cell (Scell) by the macro eNB.