| 摘要 |
PROBLEM TO BE SOLVED: To shorten the time for retransmitting an error information block (e.g. deteriorated frame) and to improve the throughput of a communication channel where information is transported by applying a data puncture operation to information transmitted by a communication system, based on information on a received signal. SOLUTION: A receiver 109 of a user device 106 receives an information block via a forward link 102. Feedback or error restoration data extracted by a processor 111 is contained in the received information block and it is decided whether previous information transmitted by the user device 106 is to be retransmitted. The user device 106 transmits appropriate decoding status data to information which is transmitted at present and time, when the information block is retransmitted is reduced. The insertion of decoding status data into transmitted information is called data puncture.
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