Method and system for link adaptation having a variable...

Details Method and system for link adaptation having a variable... Method and system for link adaptation having a variable...

H - Electricity

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H04L 1/12 (2006.01) H04J 3/24 (2006.01) H04L 1/00 (2006.01) H04L 1/20 (2006.01) H04J 13/02 (2006.01) H04Q 7/22 (2006.01) H04Q 7/28 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2320264

A communication system supports multiple modulation/FEC coding schemes. One scheme is selected for initiating transmission on the link. The performance of the transmissions is evaluated after a variable update interval expires. The update interval is varied as a function of time, amount of information, LLC blocks, etc., in order to optimize throughput in the system. A shorter update interval can be used initially until an optimal modulation/FEC coding scheme is determined for a particular data transmission.

L'invention concerne un système de communication qui peut recevoir des codes multiples de modulation/correction d'erreur sans voie de retour. Un de ces codes est sélectionné pour lancer une transmission à travers la liaison. La performance de transmission est évaluée après l'expiration d'un intervalle de mise à jour variable. L'intervalle de mise à jour est modifié en fonction du temps, de la quantité d'information, des blocs de commande de liaison logique etc., afin d'optimiser le débit du système. Un intervalle de mise à jour plus court peut être utilisé au début, jusqu'à ce qu'un code de modulation/correction d'erreur sans voie de retour soit déterminé pour une transmission de données particulière.

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