Journal of Navigation and Port Research (한국항해항만학회지)

Korean Institute of Navigation and Port Research (한국항해항만학회)
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A Heterogeneous-carrier Selectable Routing Scheme Based on Normalized Location and Transmission Characteristics (MCS-NLTC) for Multi-carrier MANETs at Sea

다중매체로 이루어진 해상 자율망에서 이종 매체 선택이 가능하고 정규화된 위치와 전송특성에 의한 라우팅

  • Son, Joo-Young (Div. of IT Engineering, Korea Maritime and Ocean University)
  • 손주영 (한국해양대학교 IT공학부)
  • Received : 2014.04.21
  • Accepted : 2014.07.08
  • Published : 2014.08.31
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Abstract

A routing scheme called MCS-NLTC using a self-configuration marine network model and the diversity and heterogeneity of broadband wireless access technologies is newly proposed. The MCS-NLTC algorithm selects optimal nodes and carriers for every hop in optimal routes based on not conventional hop counts but normalized distances to destination ships (location information of destination ships). Normalized transmission characteristics of applications and carriers are considered to get optimal routes as well. The location information enhances convergence speed to get destinations, which makes the route search time faster. Evaluated performances are compared with those of the schemes based on max-win (OMH-MW), and normalized transmission characteristics (MCS-NTC).

새로운 해상통신망 모델로 자율망 모델과 광대역 무선접속기술의 다양성과 혼재성을 활용하고 경로상의 홉 단위로 최적노드와 캐리어를 선택하는 경로배정방식(MCS-NLTC)을 새롭게 제안한다. 여기서는 일반적인 홉 수가 아니라 목적지 선박과의 거리(위치정보)가 기본적인 기준이 되고 캐리어의 전송특성의 정규값을 가중치로 삼아 최적경로를 탐색하는 방식이다. 위치정보가 기본적으로 고려되기 때문에 탐색 수렴성이 개선되어 탐색시간이 크게 단축되고 경로의 최적성도 향상되었다. 기존 전송특성의 절대값을 상호 비교하는 최다승방식(OMH-MW)과 전송특성의 정규값만을 고려하는 방식(MCS-NTC)과 성능을 비교하여 이를 확인하였다.

Keywords

References

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