Invention Grant
US08013941B2 DTV receiver and method of processing a broadcast signal in DTV receiver
有权
数字电视接收机和数字电视接收机处理广播信号的方法
- Patent Title: DTV receiver and method of processing a broadcast signal in DTV receiver
- Patent Title (中): 数字电视接收机和数字电视接收机处理广播信号的方法
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Application No.: US11621909Application Date: 2007-01-10
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Publication No.: US08013941B2Publication Date: 2011-09-06
- Inventor: Jong Moon Kim , In Hwan Choi
- Applicant: Jong Moon Kim , In Hwan Choi
- Applicant Address: KR Seoul
- Assignee: LG Electronics, Inc.
- Current Assignee: LG Electronics, Inc.
- Current Assignee Address: KR Seoul
- Agency: Lee, Hong, Degerman, Kang & Waimey
- Priority: KR10-2006-0002703 20060110; KR10-2006-0089736 20060915
- Main IPC: H04N5/44
- IPC: H04N5/44

Abstract:
A DTV receiver includes a tuner, an information detector, a demodulator, and a channel equalizer. The tuner receives a broadcast signal including valid data in which a known data sequence is periodically repeated. The information detector detects location information of the known data sequence and a coarse frequency offset value of the broadcast signal. The demodulator demodulates the broadcast signal by estimating a fine frequency offset value using the detected location information and by compensating a frequency offset of the broadcast signal using the course and fine frequency offset values. Finally, the channel equalizer compensates channel distortion of the demodulated signal using the detected location information.
Public/Granted literature
- US20070172003A1 DTV RECEIVER AND METHOD OF PROCESSING A BROADCAST SIGNAL IN DTV RECEIVER Public/Granted day:2007-07-26
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