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. 03, 2008
Filed:
Feb. 24, 2005
Bub Joo Kang, Taejon, KR;
Kyu Min Kang, Taejon, KR;
Sangsung Choi, Taejon, KR;
Kwang Roh Park, Taejon, KR;
Bub Joo Kang, Taejon, KR;
Kyu Min Kang, Taejon, KR;
Sangsung Choi, Taejon, KR;
Kwang Roh Park, Taejon, KR;
Abstract
There is provided a code acquisition device and method using a two-step search process in a DS-CDMA UWB modem. The device includes: an I/Q channel symbol generating unit for, generating a plurality (i) of nI/Q channel symbols in a first search process and generating a plurality of nI/Q channel symbols in a second search process; a spread code selecting unit for receiving the plurality of nI/Q channel symbols in the first search process; an NNtap I/Q channel symbol matched filter unit for, in the second search process, receiving the plurality (i) of nI/Q channel symbols; a switching unit for changing to a closed state of the second search process; and a super frame and symbol boundary time deciding unit for deciding a super frame time and a symbol boundary time.