해상 통신에서 지상파 VHF 데이터 교환을 위한 간섭 인지 기반 자원 할당 기법
Interference-aware Resource Allocation Scheme for VHF Data Exchange-terrestrial in Maritime Communication
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초록
본 논문에서는 선박이 밀집한 해안 환경에서 Automatic Identification System (AIS) 메시지 전송의 신뢰성을보장하는 지상파 Very High Frequency (VHF) 데이터 교환 (VHF Data Exchange-Terrestrial, VDE-TER)을 위한간섭 인지 기반 자원 할당 (Interference-aware Resource Allocation, IaRA) 기법을 제안한다. 이를 위해, IaRA는VHF 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.
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
참고문헌 (13)
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