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Infrastructure-independent Navigation System Using Embedded Map and Built-in Sensors in the Ubiquitous Parking Management

유비쿼터스 주차관리 시스템에서 내장 맵 및 센서를 이용한 인프라 독립 네비게이션 시스템

  • Received : 2012.05.21
  • Accepted : 2012.08.17
  • Published : 2012.10.31

Abstract

Significant advancements in technology enhanced the reliability of navigation systems that are in use today. The GPS is the most widely used technique for satellite-based location estimation. However, systems based on GPS can only be accurate in providing location data when there is a clear view of the satellites. This paper proposes a self-contained navigation system that does not depend on any tracking infrastructure. Using the built-in sensors of a smartphone and a self-contained map, we implemented an accurate car locator. Evaluation results show that our proposed system outperforms GPS in providing accurate car location assistance.

오늘날 사용하고 있는 네비게이션의 신뢰성은 기술적인 발전을 통해 상당히 높아졌다. GPS는 위성기반 위치추적 시스템으로 가장 광범위하게 사용되는 기술이다. 하지만 GPS기반 시스템은 위성이 정확한 뷰를 제공해줄 때에만 위치추적이 정확하다. 본 연구에서는 추적을 위해 내부구조에 의존하지 않는 독자적인 네비게이션을 제안한다. 스마트폰의 내장센서와 내장 맵을 사용하여 정확한 차량 위치추적을 구현한다. 성능평가 결과 정확한 차량의 위치 지원 면에서 우리가 제안한 시스템이 GPS보다 성능이 우수함을 나타내었다.

Keywords

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