Title:
DEMODULATION DEVICE, DEMODULATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2013/115074
Kind Code:
A1
Abstract:
This invention relates to a demodulation device, demodulation method, and program which, even when an I channel signal and a Q channel signal are inputted reversed, are capable of realizing demodulation processing at a speed equivalent to the case in which no reversal has occurred. A frequency correction unit (31) establishes synchronization of the frequency and the clock on the basis of the signal of a frequency synchronization unit (32). A channel reversal detection unit (35) of a frame synchronization unit (37) detects whether there has been a reversal of the I channel signal and the Q channel signal, and supplies, as the detection result, a channel reversal detection result to the channel reversal control unit (35). The channel reversal control unit (35) swaps the I channel signal and the Q channel signal if, on the basis of the channel reversal detection result, a reversal has occurred. This technique can be applied to demodulation devices.
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Inventors:
KAMATA HIROYUKI (JP)
HIRAYAMA YUICHI (JP)
NAKANE MISA (JP)
HIRAYAMA YUICHI (JP)
NAKANE MISA (JP)
Application Number:
PCT/JP2013/051526
Publication Date:
August 08, 2013
Filing Date:
January 25, 2013
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04L27/22; H04L27/38
Foreign References:
| JPH06296186A | 1994-10-21 | |||
| JP2008278173A | 2008-11-13 | |||
| JPH09247226A | 1997-09-19 | |||
| JPH11340860A | 1999-12-10 | |||
| JP2000013458A | 2000-01-14 | |||
| JPH05160863A | 1993-06-25 | |||
| JP2008278173A | 2008-11-13 |
Other References:
See also references of EP 2811703A4
Attorney, Agent or Firm:
INAMOTO Yoshio et al. (JP)
Yoshio Inemoto (JP)
Yoshio Inemoto (JP)
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Claims: