| 摘要 |
PROBLEM TO BE SOLVED: To reduce signal throughput, and to improve the equalizing processing performance. SOLUTION: When L-th sub-carriers are determined as pilot sub-carriers, two pilot sub-carriers of the highest and the second highest signal quality are selected from among M pieces of the L-th sub-carriers through a first selection means 302. One data sub-carrier of the highest signal quality is selected from among M pieces of (L-1)-th data sub-carriers through a second selection means 301. One data sub-carrier of the highest signal quality is selected from among M pieces of (L+1)-th data sub-carriers through a third selection means 303. The selected pilot sub-carrier and the selected data sub-carrier are multiplied by weights through a multiplying means, the pilot sub-carrier and the data sub-carrier multiplied by weights are synthesized by a synthesizing means, and a weight which makes the difference between the synthesized signals and the given signals the smallest is calculated through a calculating means. COPYRIGHT: (C)2006,JPO&NCIPI
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