System and method for link adaptation for variable link...

H - Electricity – 04 – B

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H04B 7/26 (2006.01) H04L 27/00 (2006.01)

Patent

CA 2749294

Systems, apparatus, methods, and manufactures for performing link adaptation in a communications system are described. The methods may employ an error rate table that has a channel condition value dimension and a transmission parameter dimension. The elements of the error rate table include expected error rates for data transmitted at various channel conditions according to various transmission parameters. Also, the various transmission parameters may each be associated with a data transmission rate. For a given channel condition value, the methods may determine expected throughputs for each of the transmission parameters according to the associated expected error rates and data transmission rates. A transmission parameter may be selected according to the expected throughputs.

L'invention concerne des systèmes, appareils, procédés et fabrications permettant de réaliser une adaptation de liaison dans un système de communication. Les procédés peuvent employer une table de taux d'erreur possédant une dimension valeur de condition de canal et une dimension paramètre de transmission. Les éléments de la table de taux d'erreur englobent les taux d'erreur attendus pour les données émises dans diverses conditions de canal selon divers paramètres de transmission. De même, les divers paramètres de transmission peuvent chacun être associés à une vitesse de transmission de données. Pour une valeur de condition de canal donnée, les procédés peuvent déterminer les rendements attendus pour chacun des paramètres de transmission selon les taux d'erreur et vitesses de transmission de données attendus associés. Un paramètre de transmission peut être sélectionné selon les rendements attendus.

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