Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2011-03-22
2011-03-22
Phu, Phuong (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C315S261000, C315S262000, C315S279000, C315S329000, C315S341000, C714S795000, C714S756000, C714S753000, C714S702000
Reexamination Certificate
active
07912136
ABSTRACT:
A receiver that receives a digital signal transmitted on the basis of an orthogonal frequency division multiplexing (OFDM) method. This receiver comprises a demodulation unit for demodulating the digital signal, a demapping unit for demapping demodulated data output from the demodulation unit, a frequency deinterleave unit for executing a frequency deinterleaving process on data output from the demapping unit, a delay unit for delaying control information superposed on the digital signal by a prescribed time period, and a time deinterleave unit for executing, on the basis of the interleave length specified by the control information delayed by the delay unit, a time deinterleaving process on data on which the frequency deinterleaving process has been executed.
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Korean Patent Office Action, mailed Jan 24, 2008 and issued in corresponding Korean Patent Application No. 10-2006-114618.
Fujitsu Patent Center
Fujitsu Semiconductor Limited
Phu Phuong
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