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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.:

US 9887713 B1

PDFFull Text
Expired
Date of Patent:
Feb. 06, 2018

Filed:

Mar. 13, 2015

Filter of repeater for mobile communication system

Applicant:

Kisan Telecom Co., Ltd., Seoul, KR;

Inventors:

Gyu-Yong Kim, Gunpo-si, KR;

Young-Woan Ahn, Yongin-si, KR;

Kyoung-Jae Lee, Seoul, KR;

Duck-Ho Jin, Yongin-si, KR;

Sung-Hyun Kim, Gunpo-si, KR;

Kyu-Ho Yang, Incheon, KR;

Assignee:

KISAN TELECOM CO., LTD., Seoul, KR;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Stephen E Jones

Int. Cl.
CPC ...
H01P 1/38 (2006.01); H04B 1/04 (2006.01); H04L 25/03 (2006.01); H01P 1/20 (2006.01); H01P 1/207 (2006.01); H01P 1/383 (2006.01); H04L 27/26 (2006.01);
U.S. Cl.
CPC ...
H04B 1/0475 (2013.01); H01P 1/2002 (2013.01); H01P 1/207 (2013.01); H01P 1/38 (2013.01); H01P 1/383 (2013.01); H04L 25/03834 (2013.01); H04L 27/2607 (2013.01);
Abstract

Provided is an intermediate frequency (IF) filter of a repeater for a mobile communication system that enables the use of a normal cyclic prefix (CP) of 4.7 usec as much as possible by minimizing a delay caused by the IF filter of a radio frequency (RF) repeater for the mobile communication system, such as a long-term evolution (LTE) orthogonal frequency-division multiple access (OFDMA) system.

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Kim, Gyu-Yong. (2018). Filter of repeater for mobile communication system (U.S. Patent No. 9887713). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9887713

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