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:
Oct. 02, 2001
Filed:
Oct. 21, 1998
Applicant:
Inventor:
Richard X. Gu, Dallas, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/710 ;
U.S. Cl.
CPC ...
G06F 1/710 ;
Abstract
In a transceiver unit in which the information is encoded in a plurality of levels, a update unit for an adaptive or equalizer filter unit includes apparatus (,) for forming product of error signals and data signals without using a multiplier unit. The plurality of levels is represented by a logic signal format (b,, b,, b,) for five signal levels. The components of the logic signal format (b,, b,, b,) provide the control signals which process the error signals in such a manner as to provide the appropriate product. The only arithmetic unit is an adder unit (,) needed to combine the previous coefficient W,with the product generated by the apparatus (,).