Invention Grant
US08031811B2 Dynamic DC offset canceling apparatus and dynamic DC offset canceling method
失效
动态DC偏移消除装置和动态DC偏移消除方法
- Patent Title: Dynamic DC offset canceling apparatus and dynamic DC offset canceling method
- Patent Title (中): 动态DC偏移消除装置和动态DC偏移消除方法
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Application No.: US12127353Application Date: 2008-05-27
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Publication No.: US08031811B2Publication Date: 2011-10-04
- Inventor: Nobuhiro Takagi , Yukiteru Murao , Tomohiro Yui , Yasutaka Uramoto , Atsushi Taguchi , Koji Suzuki , Yoshinao Kawai
- Applicant: Nobuhiro Takagi , Yukiteru Murao , Tomohiro Yui , Yasutaka Uramoto , Atsushi Taguchi , Koji Suzuki , Yoshinao Kawai
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2007-142110 20070529
- Main IPC: H04L25/06
- IPC: H04L25/06

Abstract:
The dynamic DC offset canceling apparatus includes: section 104 that detects dynamic DC offset in longest overlapping part sequences from the differences between the sampling values of a first longest overlapping part sequence and the sampling values of a second longest overlapping part sequence, the first longest overlapping part sequence and the second longest overlapping part sequence being overlapping part sequences in a training sequence of the received signal; section 105 that detects dynamic DC offset outside the longest overlapping part sequences from the difference between an average value of sampling values of a received signal which exists in a burst before the first longest overlapping part sequence, and an average value of sampling values of a received signal which exists in a burst after the second longest overlapping part sequence; and section 106 that adaptively subtracts a DC offset value from the received signal based on these results.
Public/Granted literature
- US20080298506A1 DYNAMIC DC OFFSET CANCELING APPARATUS AND DYNAMIC DC OFFSET CANCELING METHOD Public/Granted day:2008-12-04
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