Abstract
Abstract Visible light communication is a converging communication by technologies that enable solutions using the LED Lighting. There is a need to research about it in order to improve the performance of the wireless communication by using a Color LED and improve the efficiency of data. In this paper, Assume the General indoor communication environment and LED communication systems based on CSK-OFDM applied to a MIMO communication system, We studied about transmitting method of more efficient communication. After performing the simulation based on IEEE 802.15.7 Standardization, as a result of the analysis of performance, it was confirmed the there is a significant impact on the performance of SNR and BER performance by the transmitting method based on MIMO and external noise using the LED communication system based on CSK-OFDM. Key Words : VLC, Color LED, CSK, OFDM, MIMO, External Noise * 준회원충북대학교 전파통신공학과 ** 준회원 충청지역사업평가원 *** 정회원 충북대학교 정보통신공학과 (교신저자)접수일자 : 2014년 6월 13일, 수정완료 : 2014년 7월 13일게재확정일자 : 2014년 8월 8일Received: 13 June, 2014 / Revised: 13 July, 2014 Accepted: 8 August, 2014
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