DATA PACKET TRANSMISSION METHOD, MOBILE STATION, RADIO NETWORK CONTROLLER AND RADIO COMMUNICATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a hybrid automatic repeat request (HARQ) method for performing synchronous retransmissions to overcome problems resulting from asynchronous retransmissions regarding the HARQ method for transmitting data packets from a transmitting entity to a receiving entity via a data channel and further regarding mobile stations, base stations, radio network controllers and communication systems performing in the HARQ method.

SOLUTION: A feedback message is received from the receiving entity at the transmitting entity and, when the feedback message indicates that the data packet has not been received successfully, a retransmission data packet is transmitted to the receiving entity after a predetermined time span upon having received the feedback message. The receiving entity soft combines the retransmission data packet with the previously received data packet.

COPYRIGHT: (C)2007,JPO&INPIT