Harq process continuation after cqi-only report

H - Electricity – 04 – L

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H04L 1/18 (2006.01)

Patent

CA 2734762

Techniques for controlling synchronous HARQ retransmissions are disclosed, in which non-adaptive retransmissions scheduled for a first transmission time interval are automatically deferred to a later transmission time interval in the event that a control message prohibiting the retransmission during the first transmission interval is received. In an exemplary method, a NACK message is received (320) in response to a previous data transmission corresponding to a stop-and-wait HARQ process, and a synchronous HARQ retransmission is scheduled (330) for a first transmission interval in response. A control message indicating that data for the stop- and-wait HARQ process may not be sent during the first transmission interval is received, and the synchronous HARQ retransmission is automatically deferred (350) to a second transmission interval, responsive to the control message. An explicit grant is not required to trigger the retransmission during the second transmission interval.

L'invention porte sur des techniques de commande de retransmissions HARQ synchrones, dans lesquelles des retransmissions non adaptatives planifiées pour un premier intervalle de temps de transmission sont automatiquement reportées à un intervalle de temps de transmission ultérieur dans le cas où un message de commande interdisant la retransmission durant le premier intervalle de transmission est reçu. Dans un procédé à titre d'exemple, un message NACK est reçu (320) en réponse à une transmission de données précédente correspondant à un processus HARQ avec arrêt et attente, et une retransmission HARQ synchrone est planifiée (330) pour un premier intervalle de transmission en réponse. Un message de commande indiquant que des données pour le processus HARQ avec arrêt et attente ne peuvent pas être envoyées durant le premier intervalle de transmission est reçu, et la retransmission HARQ synchrone est automatiquement reportée (350) à un second intervalle de transmission, en réponse au message de commande. Une allocation explicite n'est pas requise pour déclencher la retransmission durant le second intervalle de transmission.

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