| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve the stability of radio communication by efficiently requesting a radio communication device that is a transmission source of data to retransmit the data by switching ARQ and HARQ when an error is detected from received data. <P>SOLUTION: A radio communication system is characterized in that the other radio communication device (base station 120) is provided with a transmission data holding unit 230, a data transmitting unit 234, a retransmission request receiving unit 236, an HARQ data retransmitting unit 238, and an ARQ data retransmitting unit 240, and a radio communication device (PHS terminal 110) is provided with a data receiving unit 330, a data demodulating unit 332, an error detecting unit 336, a retransmission request selecting unit 338, an HARQ processing unit 340 capable of requesting HARQ retransmission, and an ARQ processing unit 360 capable of requesting ARQ retransmission. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
