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.:
Date of Patent:
Nov. 17, 2015
Filed:
Sep. 30, 2011
Applicants:
Sung Kyung Kim, Daejeon, KR;
Sung Cheol Chang, Daejeon, KR;
Eunkyung Kim, Daejeon, KR;
Hyun Lee, Daejeon, KR;
Chul Sik Yoon, Seoul, KR;
Inventors:
Sung Kyung Kim, Daejeon, KR;
Sung Cheol Chang, Daejeon, KR;
Eunkyung Kim, Daejeon, KR;
Hyun Lee, Daejeon, KR;
Chul Sik Yoon, Seoul, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/08 (2009.01); H04W 52/02 (2009.01); H04W 4/10 (2009.01);
U.S. Cl.
CPC ...
H04W 4/08 (2013.01); H04W 4/10 (2013.01); H04W 52/0216 (2013.01); H04W 52/0219 (2013.01);
Abstract
A group communication method of a terminal is provided. The terminal establishes a group call connection with a first base station belonging to a group call zone, and receives group call data from the first base station. When moving to the coverage area of a second base station belonging to the group call zone, the terminal receives group call data from the second base station.