Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2006-05-29
2010-12-14
Odom, Curtis B (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C375S229000, C375S346000, C375S350000, C370S203000, C370S208000, C370S210000
Reexamination Certificate
active
07852958
ABSTRACT:
For a data group composed of pieces of data each indicating channel characteristics of a scattered pilot signal position whose phase is adjusted by dividing scattered pilot signals included in an OFDM signal by a scattered pilot signal at the time of transmission, a carrier extension circuit341inserts data having a same value as a value of data of a lower end into an outside of the lower end of a band, and inserts data having a same value as a value of data of an upper end into an outside of the upper end of the band. On the data group composed of 2Npieces of data including the data inserted by the carrier extension circuit341, IFFT processing by an IFFT circuit342, noise removal processing by a noise removal filter343, and FFT processing by a FFT circuit344are performed. The data inserted by the carrier extension circuit341is removed from the data group outputted from the FFT circuit344, and the data group after the data removal is used for interpolation in a symbol direction.
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International Search Report issued Aug. 15, 2006 in the International (PCT) Application of which the present application is the U.S. National Stage.
Kisoda Akira
Mori Ryosuke
Odom Curtis B
Panasonic Corporation
Wenderoth , Lind & Ponack, L.L.P.
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