한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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ECMA-392 기반 선박 내 네트워크에서 QoS를 지원하는 CRP 예약 충돌 해결 방안

Resolution Scheme of CRP Reservation Conflicts for Supporting QoS in ECMA-392-Based Ship Area Networks

  • Lee, Seong Ro (Department of Information Electronics Engineering, Mokpo National University) ;
  • Oh, Joo-Seong (Department of Computer Engineering, Mokpo National University) ;
  • Kim, Beom-Mu (Department of Electronics Engineering, Mokpo National University) ;
  • Lee, Yeonwoo (Department of Information and Communication Engineering, Mokpo National University) ;
  • Jeong, Min-A (Department of Computer Engineering, Mokpo National University) ;
  • Lee, Seung Beom (Institute Research of Information Science and Engineering, Mokpo National University)
  • 투고 : 2014.10.08
  • 심사 : 2014.12.04
  • 발행 : 2014.12.31
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초록

본 논문에서는 선박 내 IT 서비스에 대한 요구에 부응하기 위해 인지무선 최초 표준인 ECMA-392 네트워크를 사용한다. ECMA-392 기반 네트워크에서 멀티 홉을 지원하는 장치들의 충돌 문제에 대해 살펴보고, 이를 해결하기 위한 CRP 예약 충돌 해결 방안을 제안한다. 현재의 CRP 예약 기법은 3홉 거리에서 이동하는 ECMA-392 장치들 사이의 CRP 예약 충돌을 해결하지 못한다. 기존의 CRP 예약 충돌 해결 방안은 멀티미디어 스트리밍과 같은 실시간 서비스의 QoS를 보장할 수 없다. 그래서 우리는 새로운 2-hop CRP Availability IE의 제안과 CRP Control 필드의 변경을 통해 새로운 CRP 예약 충돌을 방지하는 방안을 제안한다. 시뮬레이션 결과는 제안된 3홉 CRP 예약 충돌 해결 방식이 디바이스의 데이터 수율을 향상시키고 있음을 나타낸다.

In this paper, we use the ECMA-392 standard, the first cognitive radio networks to meet the demand for IT services in the ship. And, we investigate about the conflicts of devices that support multi-hop network based on the ECMA-392. Therefore, we propose the resolution scheme of CRP reservation conflicts to solve this. The current CRP reservation approaches does not solve the CRP reservation conflicts of ECMA-392 between devices that move at a distance of three hops. Therefore, it is not possible to guarantee the QoS of real time services such as multimedia streaming. So, we provide a new CRP reservation scheme to avoid conflict through a new 2-hop CRP Availability IE and the change of CRP Control field. From the simulation results, we know that the proposed method of 3 hops CRP reservation conflicts resolution improves the throughput of device.

키워드

참고문헌

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