Journal of Satellite, Information and Communications (한국위성정보통신학회논문지)

Korea Society of Satellite Technology (한국위성정보통신학회)
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Study on D2D Relay based Interconnection Network of HAM Radio and Wi-Fi for Securing Communication Performance in Satellite Wireless Package Systems

이동단말용 위성 통신 무선 패키지 시스템을 위한 D2D Relay 기반 HAM Radio와 Wi-Fi Network 결합망의 통신 성능 확보 연구

  • 황유민 (광운대학교 전파공학과 유비쿼터스 통신 연구실) ;
  • 차재상 (서울과학기술대학교 전자IT미디어공학과) ;
  • 김진영 (광운대학교 전파공학과 유비쿼터스 통신 연구실)
  • Received : 2015.01.10
  • Accepted : 2015.02.23
  • Published : 2015.03.31
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Abstract

In this paper, we introduce a wireless package system based on the amateur radio HR(HAM Radio) and satellite communication as a novel wireless disaster communication system and have configured a interference scenario receiving interference from adjacent base stations and D2D groups in the disaster network. In such interference scenarios, we propose a frequency re-allocation method to avoid interference and communicate with disaster networks by securing the channel capacity required between D2D terminals. As a result of computer simulation, we can find the proposed method has improved BED performance of a gain of 1.5dB and overall system throughput than conventional methods.

본 논문에서는 아마추어 무선 HR(HAM Radio)을 기반으로 구축되는 새로운 무선 재난통신망인 이동단말용 위성 통신 무선패키지 시스템을 소개하고, D2D 다중 홉 기반의 재난통신망 접속에서 D2D 단말이 인접 기지국과 D2D 그룹들에 의해 간섭을 받는 간섭 시나리오를 구성하였다. 이러한 간섭 시나리오에서 D2D 단말이 재난통신시 필요한 채널용량 확보하고 재난통신망에 원활하게 접속, 통신할 수 있도록 주파수 재할당 방법을 제시하였고, 제안한 기법의 성능을 컴퓨터 시뮬레이션을 통해 기존 알고리즘 대비 시스템 Throughput 성능 개선 및 BER 성능에서 최대 1.5dB 이득이 있음을 확인하였다.

Keywords

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