Method of transmitting data using harq

H - Electricity – 04 – L

Patent

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H04L 1/18 (2006.01)

Patent

CA 2665694

A method of data transmission using HARQ is provided. The method includes transmitting an uplink data, receiving an ACK/NACK signal for the uplink data, keeping the uplink data in a HARQ buffer when the ACK/NACK signal is an ACK signal, and retransmitting the uplink data when an uplink scheduling information for retransmission of the uplink data is received. In the present invention, a transmission error in an ACK/NACK signal is promptly detected, and thus data can be transmitted at a high speed.

Cette invention se rapporte à un procédé de transmission de données qui utilise HARQ. Le procédé comprend la transmission de données de liaison montante, la réception d'un signal ACK/NACK pour les données de liaison montante, le maintien des données de liaison montante dans un tampon HARQ lorsque le signal ACK/NACK est un signal ACK, et la retransmission des données de liaison montante quand une information de planification de liaison montante pour une retransmission des données de liaison montante est reçue. Dans la présente invention, une erreur de transmission dans un signal ACK/NACK est rapidement détectée, et ainsi il est possible de transmettre des données à une vitesse élevée.

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