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. 17, 2009
Filed:
Dec. 16, 2005
Il-gyu Kim, Seoul, KR;
Young-hoon Kim, Daejon, KR;
Seung-chan Bang, Daejon, KR;
Chan-bok Jeong, Daejon, KR;
Sang-woo Nam, Daejon, KR;
Il-Gyu Kim, Seoul, KR;
Young-Hoon Kim, Daejon, KR;
Seung-Chan Bang, Daejon, KR;
Chan-Bok Jeong, Daejon, KR;
Sang-Woo Nam, Daejon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A space code block coding and spreading apparatus for transmission diversity, a Code Division Multiple Access (CDMA) diversity transmitter using it, and a CDMA mobile station receiver for receiving a transmission diversity signal, which are capable of improving the performance of system in wireless channel environments by allowing a transmission diversity to be made within one symbol interval in a CDMA communication system. The apparatus includes an encoder for generating a predetermined number of different transmission data with respect to a plurality of modulation symbols inputted during one modulation symbol interval, an orthogonal code generator for producing orthogonal codes, a spreader for spreading each of the transmission data generated from the encoder using the orthogonal codes generated from the orthogonal code generator, and a combining unit for combining the transmission data spread at the spreader to provide combined data for each transmission antenna path.