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.

Date of Patent:
Jul. 31, 2018

Filed:

May. 09, 2014
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Hyun Duk Kang, Gwangju, KR;

Gwang Zeen Ko, Daejeon, KR;

Myung Sun Song, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/00 (2009.01); H04W 16/14 (2009.01); H04W 24/02 (2009.01); H04W 76/27 (2018.01);
U.S. Cl.
CPC ...
H04W 16/14 (2013.01); H04W 24/02 (2013.01); H04W 76/27 (2018.02);
Abstract

Disclosed is an operating method of each entity in a coexistence management system that manages a plurality of frequency sharing devices. To perform operations of respective entities (a coexistence enabler (CE), a coexistence manager (CM), and a coexistence discovery and information server (CDIS)), a state machine of the entities is defined as inactive, active, waiting engagement, engaged, request-sent, and request-received states.


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