The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 2008
Filed:
Nov. 15, 2006
Thomas D. Kwon, Irvine, CA (US);
Jonathan S. Min, Buena Park, CA (US);
Fang LU, Rowland Heights, CA (US);
Thomas J. Kolze, Phoenix, AZ (US);
Thomas D. Kwon, Irvine, CA (US);
Jonathan S. Min, Buena Park, CA (US);
Fang Lu, Rowland Heights, CA (US);
Thomas J. Kolze, Phoenix, AZ (US);
Broadcom Corporation, Irvine, CA (US);
Abstract
A receiver includes a filter stage that receives, filters, and equalizes a received signal, and a decisional feedback loop coupled to the filter stage that receives and processes a signal output from the filter stage using remodulation. The decisional feedback loop includes a converter that generates a baseband signal, a detector that generates a decision signal, a restorative signal generator that generates a restorative signal using remodulation, and a carrier loop that generates a frequency correction signal and provides a frequency-offset estimate. The restorative signal and the frequency correction signal are provided to the converter to compensate for inter-symbol interference. The presented 'remodulation' technique decouples interaction between the carrier loop, the pre-filters, and the equalizer of the restorative signal generator, providing an architecture that is more stable and significantly faster than conventional architectures.