Patent ID: 8321766
Filing Date: 2012-11-27
Classification: H03M

Abstract:
1. An internet protocol data (IP-data) transmitting apparatus that transmits data using an internet protocol (IP), the IP-data transmitting apparatus comprising: a classifying unit that classifies data into a specific layer of a plurality of layers, a position of the specific layer corresponding to priority order of the data, the priority being based on importance and vulnerability of information included in the data; an assigning unit that allocates a specific code length to the data, based on the position of the specific layer, and divides the data into a plurality of data blocks with a specific size, the specific size corresponding to the specific code length; an error correction coding unit that divides the plurality of data blocks into a plurality of information blocks with a predetermined size, and performs an error correction coding by making a plurality of combinations from the plurality of information blocks; and a transmitting unit that transmits packets produced from the error correction coded data, wherein the assigning unit allocates longer code length to the data in a higher layer and shorter code length to the data in a lower layer, the number of the plurality of combinations is different with respect to the position of the specific layer, and the error correction coding unit makes more combinations of the information blocks in the higher layer and less combinations of the information blocks in the lower layer.