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:
May. 27, 2003
Filed:
Mar. 17, 1999
Richard Stirling-Gallacher, Stuttgart, DE;
Jens-Uwe Jürgensen, Fellbach, DE;
Sony International (Europe) GmbH, Berlin, DE;
Abstract
According to the present invention a transmitter and a transmitting method for communicating data symbols over a communication channel, for example, according to the CDMA system is presented. The transmitter ( ) comprises means ( ) for spreading each data symbol with a respective spreading code, wherein the spreading codes are mutually orthogonal. Means ( ) for scrambling are provided to scramble each spread symbol with a respective scrambling code, the scrambling codes respectively having the same length as the spreading codes. Furthermore, means ( ) for the transmission of the spread and scrambled symbols are provided. According to the present invention the means ( ) for scrambling are provided with a plurality of different scrambling codes, which can be used simultaneously within the same link.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile