Method and apparatus for controlling packet transmission in...

H - Electricity – 04 – L

Patent

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H04L 1/00 (2006.01) H04L 1/18 (2006.01) H04L 1/20 (2006.01) H04L 12/56 (2006.01) H04B 1/69 (2006.01)

Patent

CA 2413174

Disclosed is a method of adapting a mobile telecommunication system to channel conditions. To control transmission of a data packet from an access network (AN) in both a link adaptation scheme and an ARQ (Automatic Repeat reQuest) scheme, an access terminal (AT) compares the received power of a forward pilot signal received from the AN with a predetermined first threshold, checks errors in the data packet of a received time slot if the reception power is greater than the first threshold, and transmits a signal requesting termination of retransmission of the data packet to the AN if no errors are found in the data packet after decoding.

L'invention concerne un procédé permettant d'adapter un système de télécommunication mobile à des conditions de canaux. De manière à commander la transmission d'un paquet de données à partir d'un réseau d'accès (AN) dans un schéma d'adaptation de liaison et dans un schéma de détecteur d'erreurs avec demande de répétition, un terminal d'accès (AT) compare la puissance reçue d'un signal pilote vers l'avant, reçu à partir du AN, avec un premier seuil prédéterminé, vérifie des erreurs dans le paquet de données d'un créneau temporel reçu si la puissance de réception est supérieure au premier seuil, et transmet un signal demandant la cessation de la retransmission du paquet de données vers le AN si aucune erreur n'a été trouvée dans le paquet de données après le décodage.

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