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.:

US 8325850 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 04, 2012

Filed:

Jan. 25, 2010
Applicants:

Lizhong Zheng, Cambridge, MA (US);

Yufei Blankenship, Kildeer, IL (US);

Inventors:

Lizhong Zheng, Cambridge, MA (US);

Yufei Blankenship, Kildeer, IL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system and method for digital communications with unbalanced codebooks is provided. A transmitter includes a channel encoder that generates an output codeword from an information vector provided by an information input, and a modulator/transmitter circuit coupled to the channel encoder. The modulator/transmitter circuit prepares the output codeword for transmission over a physical channel. The channel encoder encodes the information vector into an intermediate codeword using a first code and shapes the intermediate codeword into the output codeword having a desired distribution.


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Zheng, Lizhong. (2012). System and method for digital communications with unbalanced codebooks (U.S. Patent No. 8325850). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8325850

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