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 6691144 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 10, 2004

Filed:

Dec. 18, 2002
Applicant:
Inventor:

Peter E. Becker, Coatesville, PA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/52 ;
U.S. Cl.
CPC ...
G06F 7/52 ;
Abstract

A circuit performs complex division and dual complex multiplication. The circuit has a plurality of multipliers. Each of the plurality of multipliers is used in both the complex division and the dual complex multiplications. The circuit also has a plurality of components capable of adding and subtracting. Each adding and subtracting component is used during the complex division and the dual complex multiplication and switches between operation as an adder and a subtractor between performing the complex division and the dual complex multiplication. Preferred potential uses for the circuit are in a receiver of a user equipment or a base station. The circuit is used in a fast Fourier transform (FFT) based channel estimation or a FFT based data detection.


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Becker, Peter. (2004). Dual use dual complex multiplier and complex divider (U.S. Patent No. 6691144). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6691144

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