G - Physics – 06 – F
Patent
G - Physics
06
F
354/67
G06F 11/08 (2006.01) G06F 11/10 (2006.01) H03M 13/13 (2006.01) G06F 11/00 (2006.01) G06F 11/20 (2006.01)
Patent
CA 1297590
PHN 11.853 ABSTRACT: Data processing device composed of four data processing modules of substantially identical construction, with protection both against simultaneous single-bit failures in a plurality of data processing modules and against failure of a single data processing module. A data processing device is composed of four data processing modules (100, 102, 104, 106) which include mutually corresponding processing means (12, 14, 16, 18) and storage modules (28, 30, 32, 34) which are connected thereto, which data processing system includes an interconnection network (82, 84, 86, 88) which is fed by the respective data processing modules in order to apply bytewise generated processing results from any data processing module to any other data processing module. Each data processing module comprises an input decoder (54, 56, 58, 60) for receiving such intercommunicated processing result and therefrom reconstructing a correct bytewise processing result from mutually incongruent processing results so received even in case of failure of one data processing module for feeding to the local processing processing means. Error protection codes are presented that guarantee the correct operation of the device even if one of the data processing modules fails in an arbitrary manner or, alternatively, up to three single bit errors occur in any particular 32-bit code word. If one data processing module is ignored as an erasure symbol, one bit error may be corrected in the partial 24-bit code word.
545936
Fetherstonhaugh & Co.
N.v. Philips Gloeilampenfabrieken
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