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:
Dec. 29, 2020

Filed:

Dec. 17, 2019
Applicant:

Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;

Inventors:

Jaehoon Jeong, Busan, KR;

Seokhwa Kim, Suwon-si, KR;

Daeguen Choe, Seongnam-si, KR;

Keuntae Lee, Suwon-si, KR;

Yong Serk Kim, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/021 (2018.01); H04B 17/27 (2015.01); H04W 4/33 (2018.01);
U.S. Cl.
CPC ...
H04W 4/021 (2013.01); H04B 17/27 (2015.01); H04W 4/33 (2018.02);
Abstract

The present disclosure relates to an indoor device-free human counting method and a system for the method. The present disclosure may estimate the number of humans present on a radio link accurately based on an amount of attenuation of a received radio signal and an amount of change of the received radio signal over time.


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