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:
Apr. 10, 2001
Filed:
Sep. 30, 1997
Applicant:
Inventors:
Svante Signell, Vällingby, SE;
Thorsten Schier, Uppsala, SE;
Assignee:
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 9/00 ; H04L 2/706 ; H04L 2/714 ; H04L 2/722 ;
U.S. Cl.
CPC ...
H03K 9/00 ; H04L 2/706 ; H04L 2/714 ; H04L 2/722 ;
Abstract
A base station in a radio communication system uses complex bandpass filters &OHgr;,, &OHgr;,, . . . ,&OHgr;,and down-sampling to channelize a wideband signal containing many channels or channel groups.