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:
Apr. 18, 2017

Filed:

Apr. 20, 2015
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Hee-Jung Yu, Daejeon, KR;

Min-Ho Cheong, Daejeon, KR;

Sok-Kyu Lee, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 72/08 (2009.01); H04W 74/02 (2009.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04W 72/08 (2013.01); H04W 72/0406 (2013.01); H04W 72/0446 (2013.01); H04W 74/02 (2013.01);
Abstract

A data transmission apparatus in a communication system includes a reception unit configured to receive terminal information from a plurality of terminals through a new frequency band for transmission and reception of data between the plurality of terminals and an AP (access point); a determination unit configured to determine access timing of the terminals to the AP by using the terminal information, and generate terminal access information including information on the access timing; and a transmission unit configured to transmit the terminal access information and beacon frames to the terminals, wherein the terminals access the AP and transmit data frames to the AP, at the access timing based on the beacon frames.


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