Patent ID: 7466671

Claim:
A computer usable medium having computer readable program codes embodied therein for causing a computer to function as a radio terminal for use in a radio system for carrying out data transfer between the computer and another radio terminal after establishing a logical connection between the computer and the another radio terminal, the computer readable program codes include: a first computer readable program code for causing said computer to set up at least one first logical channel to transfer data packets containing at least one AV stream, to identify at least one second logical channel set up by the another radio terminal to transfer the data packets, to set up at least one third logical channel to transfer a first set of control packets containing first control information regarding transfer of the data packets, and to identify at least one fourth logical channel set up by the another radio terminal to transfer a second set of control packets containing second control information regarding transfer of the data packets a second computer readable program code for causing said computer to store a correspondence information including a correspondence between the at least one first logical channel and the at least one second logical channel for the at least one AV stream and a correspondence between the at least one third logical channel and the at least one fourth logical channel for the first and second control information; and a third computer readable program code for causing said computer to transmit/receive the data packets and the first set and second set of control packets between the radio terminal and the another radio terminal by using the correspondence information.