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Asynchronous Traffic Multi-Hop Transmission Scheme for N-Screen Services in Indoor and Ship Area Networks

선박 및 실내 N-스크린 서비스를 위한 비동기 트래픽 멀티홉 전송 기술

  • Hur, Kyeong (Gyeongin National University of Education Department of Computer Education) ;
  • Lee, Seong Ro (Mokpo National University, Department of Information & Electronics Engineering)
  • Received : 2015.04.02
  • Accepted : 2015.05.13
  • Published : 2015.05.31

Abstract

In this paper, a WiMedia Distributed-MAC (D-MAC) protocol is adopted for development of a seamless N-screen wireless service in Indoor and Ship Area Networks. Furthermore, to provide the OSMU (One Source Multi Use) N-screen service through P2P streaming in the seamless D-MAC protocol, a ATMT (Asynchronous Traffic Multi-hop Transmission) technology is proposed and analyzed. In this system, a WiMedia ATMT D-MAC bridge transmits control and managing information to various sensors and instruments, from a central integrated ship area network station. For this technology, a time slot allocation scheme for WiMedia asynchronous traffic and a multi-hop resource reservation scheme are combined to evaluate the performance of each scheme. From simulation results, the proposed ATMT scheme enhances performances in viewpoints of N-screen asynchronous data latency and throughput, compared to the conventional WiMedia D-MAC system.

본 논문에서는 선박 및 실내 Seamless N-스크린 서비스를 위한 무선 통신 MAC 구조로서, WiMedia Distributed-MAC (D-MAC) 프로토콜을 적용하고, Seamless D-MAC 프로토콜에서 P2P 스트리밍이 가능한 OSMU (One Source Multi Use) N-스크린 서비스를 제공하기 위해, 비동기 트래픽 멀티홉 전송 기술(Asynchronous Traffic Multi-Hop Transmission : ATMT)을 제안하고 성능을 분석하였다. 센서장비에 장착되는 무선통신 모듈은 선내 통합유무선 네트워크와의 원활한 연결을 위하여 무선 게이트웨이 기능을 수행하는 WiMedia ATMT D-MAC 브릿지를 통해 데이터가 전송된다. 이를 위해 WiMedia 비동기 트래픽을 위한 타임 슬롯 할당 기술과 Multi-hop 자원 예약기술을 결합하여 각 기술에 대해 성능을 비교 분석하였다. 시뮬레이션 결과를 통해, 비동기 트래픽 멀티홉 전송 기술은 비동기식 N-스크린 데이터 전송에 있어, 기존 D-MAC 방식보다 향상된 지연시간 및 수율 성능을 나타내었다.

Keywords

References

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