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

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Resource Reservation Based Image Data Transmission Scheme for Surveillance Sensor Networks

감시정찰 센서 네트워크를 위한 자원예약 기반 이미지 데이터 전송 기법

  • Received : 2014.07.30
  • Accepted : 2014.11.05
  • Published : 2014.11.28
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Abstract

Future combat systems can be represented as the NCW (Network Centric Warefare), which is based on the concept of Sensor-to-Shooter. A wireless video sensor networking technology, one of the core components of NCW, has been actively applied for the purpose of tactical surveillance. In such a surveillance sensor network, multi-composite sensors, especially consisting of image sensors are utilized to improve reliability for intrusion detection and enemy tracing. However, these sensors may cause a problem of requiring very high network capacity and energy consumption. In order to alleviate this problem, this paper proposes an image data transmission scheme based on resource reservation. The proposed scheme can make it possible to have more reliable image data transmission by choosing proper multiple interfaces, while trying to control resolution and compression quality of image data based on network resource availability. By the performance analysis using NS-3 simulation, we have confirmed the transmission reliability as well as energy efficiency of the proposed scheme.

미래전은 Sensor-to-Shooter 개념에 기반한 네트워크 중심전(NCW : Network Centric Warfare) 양상을 지닌다. 이러한 NCW의 핵심적인 요소들 중 하나로 무선 비디오 센서 네트워킹 기술이 군 감시정찰용으로 활발히 적용되고 있다. 감시정찰 센서 네트워크에서는 침입탐지 및 추적정보의 신뢰성 향상을 위하여 이미지 센서가 결합된 복합 센서가 사용되고 있으나 대용량의 네트워크 자원 및 에너지 소비를 요구하는 문제가 있다. 본 논문에서는 이러한 문제를 해결하기 위해서 자원 예약을 통한 이미지 데이터 전송 기법을 제안한다. 제안 기법은 네트워크 자원가용성을 고려하여 이미지 데이터 해상도 및 압축률 조정을 시도하는 동시에 다중 인터페이스의 적절한 선택을 통하여 안정적인 이미지 데이터 전송을 가능토록 한다. NS-3 시뮬레이션 기반의 성능분석을 통해서 제안기법의 전송 안정성 및 에너지 효율성의 증가를 확인하였다.

Keywords

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