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Search : "[ author: Jae-sang Cha ]" (8)

Position Information Acquisition Method Based on LED Lights and Smart Device Camera Using 3-Axis Moving Distance Measurement

Soon-Ho Jung Min-Woo Lee Ki-Yun Kim Jae-Sang Cha
Vol. 40, No. 1, pp. 226-232, Jan. 2015

Analysis of Indoor Localization Technology for Exhibition Services and Application Method of VLC/RF Converged Localization

Ki-Yun Kim Min-Woo Lee Jae-Sang Cha
Vol. 40, No. 1, pp. 217-225, Jan. 2015

A Study of Watermarking Data Transmission Scheme for BPSK-OFDM Based LED Communication System

Seung-ho Lee Jung-hoon Lee Jae-sang Cha
Vol. 36, No. 10, pp. 1246-1251, Oct. 2011

A Study of VLC Channel Modeling using user Location Environment

Jung-hoon Lee Jae-sang Cha
Vol. 36, No. 10, pp. 1240-1245, Oct. 2011

A Study on Additional Data Transmission Scheme Based on T-DMB System for Emergency Broadcasting Service

Jae-Sang Cha Jung-Nam Bae Kyong-Gun Lee Geon-Kim Yong-Tae Lee

Vol. 35, No. 12, pp. 1207-1213, Dec. 2010

The Research of the UWB Interference Effects on the Mobile Communication System

Hong-jong Song Jae-sang Cha Goo-man Park
Vol. 35, No. 11, pp. 1085-1090, Nov. 2010

PTZ Camera Based Multi Event Processing for Intelligent Video Network

Il-sik Chang Seong-je Ahn Gwang-yeong Park Jae-sang Cha Goo-man Park

Vol. 35, No. 11, pp. 1066-1072, Nov. 2010

Novel Binary ZCD codes for MAI-cancelled CDMA Systems

Jong-wan Seo Seong-chul Cho Ju-phil Cho Jae-sang Cha
Vol. 27, No. 11, pp. 1039-1045, Nov. 2002