Journal of Internet of Things and Convergence (사물인터넷융복합논문지)

The Korea Internet of Things Society (한국사물인터넷학회)
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Interference-aware Resource Allocation Scheme for VHF Data Exchange-terrestrial in Maritime Communication

해상 통신에서 지상파 VHF 데이터 교환을 위한 간섭 인지 기반 자원 할당 기법

  • 이솔비 (한림대학교 스마트컴퓨팅연구소) ;
  • 권정혁 (한림대학교 스마트컴퓨팅연구소) ;
  • 나화진 (엔에스원소프트) ;
  • 김경태 (엔에스원소프트) ;
  • 문형진 (엔에스원소프트) ;
  • 김부영 (선박해양플랜트연구소) ;
  • 심우성 (선박해양플랜트연구소) ;
  • 김동완 (동아대학교 전자공학과) ;
  • 김의직 (한림대학교 소프트웨어학부)
  • Received : 2024.06.12
  • Accepted : 2024.07.29
  • Published : 2024.08.31
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Abstract

This paper proposes an interference recognition-based resource allocation (IaRA) scheme for very high frequency (VHF) data exchange-terrestrial (VDE-TER) to ensure the reliability of automatic identification system (AIS) message transmission in a coastal environment with dense vessels. To this end, IaRA conducts channel selection and slot allocation based on scheduling information obtained through monitoring VHF data exchange system (VDES) channels. The simulation results show that IaRA achieved an 8.79% higher packet delivery ratio (PDR) and a 9.69% lower channel interference ratio (CIR) compared to the VDE-TER resource allocation scheme of the existing VDES standard.

본 논문에서는 선박이 밀집한 해안 환경에서 Automatic Identification System (AIS) 메시지 전송의 신뢰성을 보장하는 지상파 Very High Frequency (VHF) 데이터 교환 (VHF Data Exchange-Terrestrial, VDE-TER)을 위한 간섭 인지 기반 자원 할당 (Interference-aware Resource Allocation, IaRA) 기법을 제안한다. 이를 위해, IaRA는 VHF Data Exchange System (VDES) 채널 모니터링을 통해 얻은 스케줄링 정보에 기반하여 채널 선택 및 슬롯 할당을 수행한다. 시뮬레이션 결과, IaRA가 기존 VDES의 VDE-TER 자원 할당 기법과 비교하여 8.79% 높은 패킷 전달률과 9.69% 낮은 채널 간섭률을 달성하였다.

Keywords

Acknowledgement

이 논문은 2024년도 해양수산부 재원으로 해양수산과학기술진흥원의 지원을 받아 수행된 연구임 (RS-2023-00256110, VDES 시스템 국산화 및 통신기술 개발).

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