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

한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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애드혹 네트워크 기반의 실내 보행자 위치 추적 알고리즘

On-Time Internal Pedestrian Localization Algorithm Based on Ad-Hoc Networks

  • 투고 : 2014.07.14
  • 심사 : 2014.10.14
  • 발행 : 2014.11.28
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초록

본 논문에서는 GPS의 사용이 불가능한 실내 교통 환경에서 이동 애드혹 네트워크 환경을 통해 차량 운전자가 시야에서 볼 수 없는 근처 보행자의 위치 추적을 통해 충돌 사고의 발생을 미연에 방지하기 위한 알고리즘을 제안한다. 기존의 연구와는 달리, 제안 알고리즘은 WiFi AP 또는 bluetooth 시스템과 같은 기반시설에 의존하지 않고, 자동차와 보행자 간의 애드혹 망을 실시간으로 구성함으로써 자동차와 보행자의 상대적 위치 추적을 제공한다. 또한 제안 알고리즘은 유전자 알고리즘을 기반으로 하여 기존의 방식보다 효과적으로 신속하고 정확한 위치추적을 수행한다. 시뮬레이션 성능 평가를 통하여 기존 알고리즘과 제안하는 알고리즘의 정확성과 신속성을 비교한다.

Situation awareness for vehicles and pedestrians is very critical to ensure safety. While on-board sensors or systems can easily detect line-of-sight pedestrians, it is difficult to locate the positions of out-of-sight pedestrians especially with no GPS service. This paper proposes a method for accurate and on-time localization of indoor pedestrians by nearby vehicles. The proposed method is based on mobile ad-hoc networks among vehicles and pedestrians, without relying on infrastructures such as GPS, WiFi AP, and Bluetooth-based systems. Also, this paper develops a genetic algorithm to accurately and promptly locate pedestrians. Finally, simulation results are presented to quantitatively evaluate the proposed method compared to other studies.

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참고문헌

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