Patent ID: 7933577

Claim:
A portable terminal, comprising: a Code Division Multiple Access (CDMA) mobile station system for performing CDMA communication; a mobile Radio Frequency Identification (RFID) system for performing a passive RFID reader function; a switching unit for switching an antenna to any one between the CDMA mobile station system or the mobile RFID system; and a control unit for controlling the switching unit to connect the antenna to the CDMA mobile station system when the portable terminal transmits/receives a signal to/from a base station, and connect the antenna to the mobile RFID system when the portable terminal transmits/receives a signal to/from an RFID tag, wherein one antenna is shared for operation of the mobile RFID system and the CDMA mobile station according to a time-division method in which the mobile RFID system operates during the sleep section of a slot mode cycle of the CDMA mobile station such that an operation time of the CDMA mobile station system and an operation time of the mobile RFID reader system are separated.