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:
Nov. 04, 2003
Filed:
Nov. 08, 1999
Applicant:
Inventors:
Martin S. Wilcox, Reigate, GB;
Andrew T. Yule, Felbridge, GB;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/69 ; H04B 7/185 ; H04B 7/216 ;
U.S. Cl.
CPC ...
H04B 1/69 ; H04B 7/185 ; H04B 7/216 ;
Abstract
A receiver for direct sequence spread spectrum code division multiple access signals (DS-CDMA) particularly for GPS signals includes a plurality of correlators. Each correlator includes variable level threshold circuits ( ) which follow integrate and dump registers ( ). The threshold level is set using the correlation noise level and predicted signal strength.