COMMUNICATION APPARATUS AND METHOD OF USER EQUIPMENT IN A WIRELESS COMMUNICAION SYSTEEM SUPPORTING A CIRCUIT SWITCHED FALLBACK

摘要

The terminal of a radio communications system supporting a CSFB service according to the embodiment of the present invention comprises a transceiver for transmitting a signal to a first communications system or a second communications system, which uses different frequency from the first communications, and for receiving the signal from the first communications system or the second communications system, a receiver for receiving the signal of the second communications system, and a control unit for controlling operation measuring the channel condition of the second communications system by using the signal received from the receiver and by receiving the signal through the transceiver. [Reference numerals] (503) LTE/Legacy transceiver unit;(507) Legacy receiving unit;(509) Storage unit;(511) Control unit