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WBAN Service Quality Optimization Design Using Error Correction Technique

에러교정기법을 이용한 WBAN 서비스품질 최적화 설계

  • Lee, Jung-Jae (Dept. of computer information sciences, Songwon University)
  • 이정재 (송원대학교 컴퓨터정보학과)
  • Received : 2019.07.17
  • Accepted : 2019.08.15
  • Published : 2019.08.31

Abstract

The power consumption of wearable sensors and electrocardiogram regulators should be very low to extend the network lifetime and anticipated QoS( : Quality of Service) control such as error correction and authentication of data processed by WBAN( : Wireless Body Area Network) nodes is important. Therefore, QoS control is the most urgent concern to implement WBAN in health monitoring regulations. For optimal QoS control, we compare the energy efficiency and the average number of transmissions with IEEE 802.15.6 and the error correction method considering energy efficiency. The performance of the proposed error correction technique shows that the energy efficiency and the transmission rate are improved by adjusting the coding rate appropriately using the channel estimation.

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그림 1. IEEE 802.15.6 MAC 프레임 구조. Fig. 1. The MAC frame structure in IEEE 802.15.6.

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그림 2. 물리계층프로토콜데이터단위 구조 Fig. 2. Physical-Layer protocol data unit structure

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그림 3. 제안된 에러교정기법. Fig. 3. The Proposed of error correction technique.

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그림 4 상수 d2nd 에서 에너지 효율 Fig. 4. Energy efficiency with constant d2nd

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그림 5. 상수 d2nd에서 평균전송갯수. Fig. 5. Average number of transmission with constant d2nd.

표 1. Weldon’s ARQ ni의 프레셋 개수 Table 1. Preset number of Weldon’s ARQ ni

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Acknowledgement

Supported by : 송원대학교

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