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Research on a Solution for Efficient ECG Data Transmission in u-Healthcare Environment

u-Healthcare 환경에서의 효율적인 ECG 데이터 전송 방안에 관한 연구

  • Cho, Gyoun-Yon (Korea University, BK21+ Program, Department of Public Health Sciences Graduate School) ;
  • Lee, Seo-Joon (Korea University, Department of Healthcare Management, BK21+ Program, Department of Public Health Sciences Graduate School) ;
  • Lee, Tae-Ro (Korea University, Professor, Department of Healthcare Management, BK21+ Program, Department of Public Health Sciences Graduate School)
  • 조균연 (고려대학교 BK21+프로그램) ;
  • 이서준 (고려대학교 BK21+ 프로그램, 일반대학원 보건과학과) ;
  • 이태로 (고려대학교 BK21+ 프로그램, 보건행정학과)
  • Received : 2013.12.13
  • Accepted : 2014.01.20
  • Published : 2014.01.28

Abstract

In u-Healthcare environment, large amounts of important medical information is processed through wireless communication. Therefore there is a need to increase the efficiency of the network system of sending ECG data. This paper presents a compression solution for efficient ECG data transmission(ECGLZW) in u-Healthcare environment. The results showed that the average compression ratio of ECGLZW was 4.6, which got 200% better than existing methods(Huffman and LZW compression). ECGLZW's high compression ratio can increase the efficiency of wireless channels. As a result, reliable communication and security of u-Healthcare information could be achieved by applying these remaining channels to retransmission and encryption.

u-Healthcare 환경에서는 많은 양의 중요한 의료정보가 무선을 통해 처리된다. 따라서 데이터를 전송하는 네트워크 시스템의 효율 개선이 필요하다. 이 논문은 u-Healthcare 환경에서 ECG 데이터를 효율적으로 전송하기 위한 압축 솔루션(ECGLZW)을 제시한다. 실험 결과, ECGLZW의 평균 압축률은 4.6으로써, 기존의 압축 방식(Huffman 압축 방식과 LZW 압축 방식)에 비해 200% 정도 효율이 개선됨을 알 수 있다. ECGLZW의 높은 압축률로 무선채널의 효율이 개선되고, 이를 네트워크 오류에 대한 재전송 및 암호화에 활용함으로써 데이터에 대한 신뢰성 및 u-Healthcare 정보에 대한 보안을 강화할 수 있다.

Keywords

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