Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Nogami0
Toshihito Habuka0
Toyokazu Hori0
Kazuyuki Takada0
Naoto Inokawa0
Date of Patent
December 25, 2007
0Patent Application Number
108098980
Date Filed
March 26, 2004
0Patent Primary Examiner
Patent abstract
The invention comprises: processing for receiving an OFDM packet having a preamble and the following data transmission symbol, in which packet the subcarrier interval of the preamble is set wider than that of the data transmission symbol; processing for estimating a DC offset occurring at a receiving side by using the received preamble; processing for correcting the DC offset on the received data transmission symbol, according to the estimation result of the DC offset; and processing for demodulating the DC offset corrected data transmission symbol. Thus, it is possible to estimate a DC offset and then correct the DC offset according to the estimated value, in the OFDM packet with no nul symbol defined there.
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