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:
Dec. 03, 2013
Filed:
Aug. 10, 2010
IN Gi Lim, Daejeon, KR;
Hyung Ii Park, Daejeon, KR;
Sung Weon Kang, Daejeon, KR;
Tae Wook Kang, Daejeon, KR;
Chang Hee Hyoung, Daejeon, KR;
Jung Hwan Hwang, Daejeon, KR;
Kyung Soo Kim, Daejeon, KR;
Jung Bum Kim, Daejeon, KR;
Sung Eun Kim, Seoul, KR;
Jin Kyung Kim, Daejeon, KR;
Seok Bong Hyun, Daejeon, KR;
Kyung Hwan Park, Daejeon, KR;
Byoung Gun Choi, Daegu, KR;
Tae Young Kang, Daejeon, KR;
In Gi Lim, Daejeon, KR;
Hyung II Park, Daejeon, KR;
Sung Weon Kang, Daejeon, KR;
Tae Wook Kang, Daejeon, KR;
Chang Hee Hyoung, Daejeon, KR;
Jung Hwan Hwang, Daejeon, KR;
Kyung Soo Kim, Daejeon, KR;
Jung Bum Kim, Daejeon, KR;
Sung Eun Kim, Seoul, KR;
Jin Kyung Kim, Daejeon, KR;
Seok Bong Hyun, Daejeon, KR;
Kyung Hwan Park, Daejeon, KR;
Byoung Gun Choi, Daegu, KR;
Tae Young Kang, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A frequency selective modulation apparatus and method using re-spreading codes are disclosed. The frequency selective modulation apparatus includes: a serial-to-parallel converter receiving transmission data and performing serial-to-parallel conversion on the transmission data at a pre-set ratio; one or more sub-frequency selective spreaders selecting one spreading code by using data bits received from the serial-to-parallel converter; a majority value selection unit selecting a majority value from one or more spreading codes which have been selected by each of the one or more of the sub-frequency selective spreaders; and a first XOR logic circuit XORing an output of the majority value selection unit and a re-spreading code Wn to re-spread a frequency selective baseband to a frequency selective passband.