Method for monitoring bit transmission quality in...

Details Method for monitoring bit transmission quality in... Method for monitoring bit transmission quality in...

H - Electricity

04

L

H04L 1/00 (2006.01) H04L 1/20 (2006.01)

Patent

CA 2375819

The bit transmission quality of a connectionless switching operation such as an IP-packet switching operation is monitored by providing each packet with a checksum. This checksum only helps to determine, at the receiving end, whether or not an error has occurred during the transmission process. It is not possible to determine the number of bit errors that have occurred using this procedure. According to the invention, these problems are solved by applying the BIP calculation method used in connection-oriented switching to connectionless switching.

Pour surveiller la qualité de transmission de bits lors d'une commutation radio, telle qu'une commutation de paquets, chaque paquet est doté d'une somme de vérification. Cette somme de vérification permet de détecter côté réception si une erreur s'est produite pendant l'opération de transmission. En revanche, elle ne permet pas de déterminer le nombre d'erreurs survenu sur les bits. Selon l'invention on y remédie en transférant à une commutation radio des méthodes de calcul parité par entrelacement de bits connus dans la commutation orientée paquets.

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