H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 11/00 (2006.01) H04B 1/18 (2006.01) H04J 1/02 (2006.01) H04L 27/26 (2006.01)
Patent
CA 2166599
An orthogonal frequency division multiplexing signal transmitted from the transmitting end to the receiving end intermittently includes a particular symbol SO having a predetermined particular pattern in addition to a symbol Sm including data to be transmitted. At the receiving end, the variation in the receiving level and/or the variation in the frequency band of a received signal are detected and corrected on the basis of the received particular symbol SO. Since the particular symbol SO has a particular pattern, the variation in the level and/or the variation in the frequency are strongly correlated with the variation in the receiving level and/or the variation in the frequency band of the received signal. Consequently, the variation in the receiving level and/or the variation in the frequency band of the received signal can be accurately detected from the particular symbol SO and consequently high-precision correction can be made.
Harada Yasuo
Hayashino Hiroshi
Kimura Tomohiro
Nagaishi Yasuo
Oue Hiroshi
Gowling Lafleur Henderson Llp
Matsushita Electric Industrial Co. Ltd.
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