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. 17, 2003
Filed:
Dec. 31, 1998
Applicant:
Inventor:
Kyung Kuk Lee, Seoul, KR;
Assignee:
LG Information & Communications, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/216 ;
U.S. Cl.
CPC ...
H04B 7/216 ;
Abstract
A data transmission apparatus for a CDMA communication system and a method are disclosed. The apparatus includes a digital combiner for combining a plurality of digital signals spread by a plurality of CDMA spreader, a digital filter for filtering a signal inputted from the digital combiner, a D/A converter for converting the filtered digital signal into an analog signal, and an analog filter for filtering the converted analog signal, for thereby performing a combining in a digital region before a plurality of CDMA signals are converted into an analog form.