G - Physics – 06 – F
Patent
G - Physics
06
F
354/67
G06F 1/00 (2006.01) H03M 13/27 (2006.01) H03M 13/45 (2006.01)
Patent
CA 1246230
16 ABSTRACT: ''Method of, and device for, decoding a repeatedly address- able information stream which is protected by a symbol- correction code''. During the decoding of a code word of an infor- mation stream which is protected by a symbol-correction code, first all channel symbols are demodulated; a first in- dicator flag then indicates whether or not the demodula- tion is reliable. All code symbols of a code word are subsequently collected, after which the decoding operation commences; the code word is corrected if possible and neces- sary. The reliability of the correction is indicated by a second indicator flag. When the correction is unreliable, the stream of channel symbols is addressed again. During the latter operation only unreliably decoded code sym- bols are replaced by new code symbols in order to enable renewed decoding of the code word thus modified.
497500
Fetherstonhaugh & Co.
N.v.philips'gloeilampenfabrieken
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