Patent ID: 8316281
Filing Date: 2012-11-20
Classification: H03M,H04L

Abstract:
1. An LDPC coding system comprising: a number of LDPC encoders between one and one fewer than a total number of tracks on a high density tape to which data blocks are to be written; a number of LDPC decoders between one and one fewer than the total number of tracks on the high density tape; a plurality of read/write heads corresponding to the number of tracks on the high density tape to which data blocks are to be written; at least one multiplexer in operable communication with the LDPC encoders to transfer data blocks from each of the encoders to an appropriate read/write head; at least one de-multiplexer in operable communication with the LDPC decoders to transfer data blocks from each of the appropriate read/write heads to an appropriate decoder; wherein the LDPC encoders are operable to break data from an incoming data sector into the data blocks to be written to the high density tape, wherein each data block is of equal size to the other data blocks, and wherein the total number of data blocks a sector is broken into are equal to the total number of tracks divided by the number of encoders; and wherein the LDPC decoders are operable to assemble the data blocks into data sectors, wherein a number of data blocks equal to the total number of tracks divided by the number of decoders is assembled into a single data sector.