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Distributed Archiving Protocol between the Medical Sensor Nodes for the Home Health Service

홈 헬스를 위한 메디컬 센서노드의 분산보관 프로토콜

  • Received : 2011.11.25
  • Accepted : 2011.01.04
  • Published : 2012.01.28

Abstract

Medical data sampled through medical sensor nodes can provide services properly only when the data are not lost even during the fault of a home health gateway. The loss of medical data can be minimized if a sensor node, in which it is expected that there are the most saving spaces, is selected after medical sensor nodes tentatively conduct local save or communicate with each other during a fault when data cannot received. Furthermore, efficient saving techniques are necessary since the cycle for sampling information is different according to the type of medical data and a space for distributed saving is different for each apparatus. So, this research suggests an efficient distributed archiving protocol (DAP) for medical data sensor nodes, each of which has a diverse sampling cycle. In order to confirm the usefulness of DAP, DAP between sensor node and gateway was designed and materialized. An experiment was conducted using the materialized program and earned a high level of recovery rate (99.3%) and of accuracy rate, which confirms that sensor nodes can play their role during a temporary fault.

Keywords

Home Health;Medical Information;Distributed Archiving Protocol;Sensor Network;Fault Management

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