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:
Sep. 25, 2018

Filed:

May. 30, 2017
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Tae Chul Hong, Seoul, KR;

Hee Wook Kim, Daejeon, KR;

Kwang Jae Lim, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/54 (2013.01); H04W 36/08 (2009.01); H04W 84/04 (2009.01); H04W 72/04 (2009.01); H04W 36/16 (2009.01); H04W 36/28 (2009.01);
U.S. Cl.
CPC ...
H04L 12/56 (2013.01); H04W 36/08 (2013.01); H04W 36/16 (2013.01); H04W 36/28 (2013.01); H04W 72/0406 (2013.01); H04W 84/045 (2013.01);
Abstract

A handover method and a control transfer method are provided. A handover method of performing an inter-cell handover between a first ground station and a second ground station may include setting a first channel to the second ground station, measuring, by an airborne radio station, a second channel and reporting a measurement result to the first ground station, sending, by the first ground station, a handover request to at least one of a ground control station (GCS) or a control and non-payload communication (CNPC) network, determining, by the at least one of the GCS or the CNPC network, whether to perform a handover, and transmitting, by the at least one of the GCS or the CNPC network, a handover instruction to the airborne radio station based on a result of the determining.


Find Patent Forward Citations

Loading…