Patent ID: 7685496

Claim:
A data transmission method for transmitting data through a transmission line that is integrated with a plurality of links including a first link group, a second link group, and a third link group, the method comprising: transmitting information data through the first link group that comprises at least one link included in the plurality of links; transmitting parity data generated from the information data through the second link group that comprises at least one link included in the plurality of links that is different from the first link group; transmitting error check data generated from the information data and the parity data, which is used for an the error correction when an error occurs in the information data or the parity data, through the third link group that comprises at least one link included in the plurality of links that is different from the first link group and the second link group; and transmitting only the parity data through the second link group, and transmitting only the error check data through the third link group, wherein the first link group, the second link group, and the third link group are not the same.