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:
Aug. 29, 2017
Filed:
Apr. 21, 2015
Applicant:
Industry-academic Cooperation Foundation, Yonsei University, Seoul, KR;
Inventors:
Assignee:
INDUSTRY-ACADEMIC FOUNDATION, YONSEI UNIVERSITY, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/2507 (2013.01); H04B 10/2575 (2013.01);
U.S. Cl.
CPC ...
H04B 10/2575 (2013.01); H04B 10/2507 (2013.01);
Abstract
Disclosed are an optical network unit included in an OFDMA-PON system that is capable of reducing OBI (optical beat interference), and a method of controlling the optical network unit. The disclosed optical network unit includes: a signal generator part configured to generate an electrical signal carrying transmission data; an RF tone generator part configured to generate an RF tone; a combiner part configured to combine the electrical signal and the RF tone; and a photoelectric converter part configured to convert the combined signal of the electrical signal and RF tone into an optical signal.