한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

  • 제32권4B호
  • /
  • Pages.208-216
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  • 2007
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  • 1226-4717(pISSN)
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  • 2287-3880(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
권호 표지

Error Adaptive Transport Protocol in Variable Error Rate Environment for Wireless Sensor Networks

  • Dang, Quang-Bui (Department of Information and Communications Engineering, Inje University) ;
  • Hwang, Won-Joo (Department of Information and Communications Engineering, Inje University)
  • 발행 : 2007.04.30
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초록

Wireless Sensor Networks (WSNs) are characterized by low capacity on each nodes and links. Wireless links have high bit error rate (BER) parameter that changes frequently due to the changes on network topology, interference, etc. To guarantee reliability in an error-prone environment, a retransmission mechanism can be used. In this mechanism, the number of retransmissions is used as a parameter that controls reliability requirement level. In this paper, we propose an Error Adaptive Transport Protocol (EATP) for WSNs that updates the number of retransmissions regularly to guarantee reliability during bit error rate changes as well as to utilize energy effectively. The said algorithm uses local information, thus, it does not create overhead problem.

키워드

참고문헌

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