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:
Mar. 22, 2011
Filed:
Jan. 28, 2005
Chul-hee Lee, Seoul, KR;
Sang-woo Rhie, Seoul, KR;
Won-hee Sull, Seoul, KR;
Dong-won NA, Seongnam-si, KR;
Hong-seo Yun, Daejeon, KR;
Sang-ho Chae, Gwacheon-si, KR;
Hyun-joong Park, Seoul, KR;
Joong-yun Lee, Seoul, KR;
Chul-Hee Lee, Seoul, KR;
Sang-Woo Rhie, Seoul, KR;
Won-Hee Sull, Seoul, KR;
Dong-Won Na, Seongnam-si, KR;
Hong-Seo Yun, Daejeon, KR;
Sang-Ho Chae, Gwacheon-si, KR;
Hyun-Joong Park, Seoul, KR;
Joong-Yun Lee, Seoul, KR;
SK Telecom Co., Ltd., Seoul, KR;
Yonsei University, Seoul, KR;
Abstract
Methods and apparatuses for measuring transmission quality of multimedia data are provided. The method comprises the steps of a transmitter transmitting multimedia data through a channel, a receiver, having received the multimedia data from the transmitter, transmitting information on transmission error of the multimedia data to the transmitter through a return channel, the transmitter estimating the received data at the receiver using the error information returned to the transmitter, and the transmitter evaluating the transmission quality of the received data by comparing the estimated received data with reference data.