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, 2015
Filed:
Oct. 10, 2013
Applicant:
Electronics and Telecommunications Research Institute, Daejeon-si, KR;
Inventors:
Seung-Hyun Cho, Daejeon-si, KR;
Seung-Il Myong, Daejeon-si, KR;
Kyeong-Hwan Doo, Daejeon-si, KR;
Jie-Hyun Lee, Daejeon-si, KR;
Sang-Soo Lee, Daejeon-si, KR;
Jong-Hyun Lee, Daejeon-si, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/02 (2006.01); H04B 10/27 (2013.01); H04B 10/548 (2013.01); H04L 27/26 (2006.01);
U.S. Cl.
CPC ...
H04B 10/27 (2013.01); H04B 10/548 (2013.01); H04L 27/2649 (2013.01); H04L 27/2697 (2013.01);
Abstract
An orthogonal frequency division multiple access-passive optical network including a plurality of optical network units each configured to generate orthogonal frequency division multiplexed signals, which are allocated thereto, based on a central frequency for frequency division multiplexing that is allocated in advance, and to use the generated signals in upstream transmission.