Patent ID: 8369237

Claim:
A method for transmitting and receiving, at a host modem, a packet in a mobile communication terminal that includes the host modem and a slave modem, the method comprising: when a packet is received under a state in which only the host modem is driven, determining whether a buffer count of the host modem is greater than a reference value; and when the buffer count of the host modem is greater than the reference value, decoding an Internet Protocol (IP) header of the packet to obtain information comprising at least one of a source IP address, a destination IP address, a source port number, a destination port number, and a protocol type, and Quality of Service (QoS) information, generating a control message comprising the obtained at least one of the source IP address, the destination IP address, the source port number, the destination port number, and the protocol type, and the QoS information to transmit to the slave modem, additionally driving the slave modem, and providing the received packet to the slave modem.