Invention Grant
- Patent Title: Equalizers for layered modulated and other signals
- Patent Title (中): 均衡器用于分层调制和其他信号
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Application No.: US12404253Application Date: 2009-03-13
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Publication No.: US08208526B2Publication Date: 2012-06-26
- Inventor: Ernest C. Chen , Tung-Sheng Lin , Weizheng Wang , William C. Lindsey
- Applicant: Ernest C. Chen , Tung-Sheng Lin , Weizheng Wang , William C. Lindsey
- Applicant Address: US CA El Segundo
- Assignee: The DIRECTV Group, Inc.
- Current Assignee: The DIRECTV Group, Inc.
- Current Assignee Address: US CA El Segundo
- Main IPC: H03H7/30
- IPC: H03H7/30

Abstract:
A method and apparatus for equalizing digital data signals is disclosed. The method comprises the steps of demodulating and decoding an input signal having input data to produce a data output, remodulating the data output to produce a training sequence including an idealized input signal, wherein the training sequence is comprised of adjacent symbols in the input data, and generating equalizer parameters from the training sequence. The apparatus comprises a demodulator (for demodulating an input signal to produce a data output), a modulator communicatively coupled to the demodulator (for remodulating the data output to produce a training sequence including an idealized input signal wherein the training sequence is comprised of adjacent symbols in the input data), and a parameter generation module communicatively coupled to the modulator (for generating equalizer parameters from the training sequence).
Public/Granted literature
- US20090175327A1 EQUALIZERS FOR LAYERED MODULATED AND OTHER SIGNALS Public/Granted day:2009-07-09
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