Telecommunications – Receiver or analog modulated signal frequency converter – Frequency or phase modulation
Reexamination Certificate
2005-10-04
2005-10-04
Corsaro, Nick (Department: 2684)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency or phase modulation
C455S161200, C455S173100, C375S350000, C375S365000
Reexamination Certificate
active
06952570
ABSTRACT:
A frequency offset correction value estimation section (21) receives a signal including a predetermined fixed pattern from a transmission side, thereafter, selects a combination of fixed patterns used in a process of estimating a frequency offset is selected depending on the state of a channel, and an estimation result of the frequency offset calculated by the combination of the fixed patterns is output as a correction value of a determined frequency offset. A frequency offset correction section (22) receives the received signal obtained after the correction is performed for correcting a frequency offset of the received signal on the basis of the correction value, and an equalizer (23) demodulates the received signal by using a predetermined algorithm.
REFERENCES:
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U.S. Appl. No. 09/185,744, filed Nov. 4, 1998.
U.S. Appl. No. 10/069,984, filed Mar. 14, 2002, pending.
Corsaro Nick
Mitsubishi Denki & Kabushiki Kaisha
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