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:
Jun. 20, 1995
Filed:
Jul. 15, 1993
Applicant:
Inventors:
Pentti Leppanen, Oulu, FI;
Jari Iinatti, Oulu, FI;
Assignee:
Nokia Mobile Phones Ltd., , FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
375343 ; 375-1 ; 375 10 ; 375103 ; 36472411 ; 455307 ; 325207 ; 325227 ; 325350 ;
Abstract
A circuit arrangement is disclosed for reducing the adverse effects of interference in a signal of interest. The circuit arrangement includes a matched filter for receiving the signal of interest and a median filter coupled to the output of the matched filter. The median filtered output signal of the matched filter is utilized to remove interference, to calculate the threshold level, or to estimate the interference level at the output of the matched filter.