| 摘要 |
<P>PROBLEM TO BE SOLVED: To perform frame synchronization processing which has high versatility and in which power consumption or arithmetic time can be reduced, by estimating a frame structure from the result of symbol synchronization processing and detecting a preamble symbol. <P>SOLUTION: A radio communication terminal 100A comprises: a symbol synchronization processing unit 140 which applies symbol synchronization processing to a received signal to detect respective symbols in the received signal; a frame counter 180 which measures, as symbol timing, timing in which each of the symbols is detected by the symbol synchronization processing; a symbol timing storage unit 170 which generates a timing list recording each of the symbol timing during a one-frame period; a control unit 190 which analyzes the timing list to specify a DL sub-frame; and a preamble detection unit 160 which detects, as a preamble symbol, the symbol that is positioned in the head of DL sub-frames within the received signal. <P>COPYRIGHT: (C)2008,JPO&INPIT |
