Error detection and correction for base-band wireless systems

Details Error detection and correction for base-band wireless systems Error detection and correction for base-band wireless systems

H - Electricity

03

M

H03M 13/03 (2006.01) H04B 10/00 (2006.01) H04L 25/49 (2006.01)

Patent

CA 2580269

A method of encoding, transmitting and decoding data over a wireless medium, including, selecting a number of bits N representing a symbol, creating a set of at least 2 to the power of N equal sized codewords with a larger number of bits than N, representing the 2 to the power of N possible combinations of N bit symbols, receiving a stream of data, replacing every N bit symbol from the stream of data with its representative codeword from the created set, transmitting the codewords using a faster transmission bit rate such that the transmission time allocated for each codeword is substantially the same as the time duration required to transmit the original bits it replaced.

L'invention concerne un procédé de codage, de transmission et de décodage de données dans un support sans fil, qui consiste à: choisir un nombre de N bits représentant un symbole; créer un ensemble d'au moins 2 relativement à la puissance de N mots de code de poids égal présentant un nombre de bits supérieur à celui de N; représenter le 2 relativement à la puissance de N combinaisons possibles de symboles de N bits; recevoir un débit de données; remplacer chaque symbole de N bits du débit de données accompagné de son mot de code représentatif à partir de l'ensemble créé; transmettre les mots de code en utilisant un débit binaire plus rapide, de sorte que le temps de transmission alloué pour chaque mot de code soit sensiblement identique au laps de temps requis pour transmettre les bits initiaux remplacés.

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