Title :
On exploiting channel code redundancy
Author_Institution :
Hewlett-Packard Co., Palo Alto, CA, USA
Abstract :
This paper describes some channel coding schemes that are used in optical recording. The various trade-offs that are made, such as error propagation and efficiency, are discussed. The origin of the redundancy that is typically found in channel coding schemes, is described. An example is given of how this redundancy might be used to carry a volatile encryption key in a conventional channel coding scheme. Finally several additional valuable characteristics that could be designed into channel coding schemes are discussed.
Keywords :
CD-ROMs; channel coding; cryptography; optical disc storage; redundancy; runlength codes; video discs; DVD; channel code redundancy; channel coding schemes; compact disc; error propagation; optical recording; runlength-limited encoders; volatile encryption key; Concatenated codes; Cryptography; DVD; Frequency control; Inductors; Protection;
Conference_Titel :
Optical Data Storage Topical Meeting, 1997. ODS. Conference Digest
Conference_Location :
Tucson, AZ, USA
Print_ISBN :
0-7803-3885-5
DOI :
10.1109/ODS.1997.606104
