Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Wireless Localization Technology Survey and Analysis

무선 측위 기술 조사 및 분석

  • Kim, Chong-Tae (ReSEAT, Korea Institute of Science and Technology Information)
  • 김정태 (한국과학기술정보연구원)
  • Received : 2010.04.30
  • Published : 2011.02.25
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Abstract

Localization information of an object can be a very useful element for many application areas. Presently, GPS is typically used for it, but many researches on the wireless localization technology are going on recently actively using mobile communication network, wireless sensor network, and ad hoc network in order to overcome the limitations of the GPS such as indoor, cost, power consumption, and etc. Therefore, this article surveys the most representative wireless localization techniques, which can be deployed in the wireless networks, and their principles and performances are analyzed based on the researched papers. In a conclusion, selection of a localization technique should consider the key design elements to a given application from the design elements such as localization environment, accuracy, time to fix, computation amount, implementation ease, and etc.

물체의 위치정보는 많은 응용분야에 매우 유용한 요소를 제공한다. 현재 GPS가 이를 위하여 일반화되어 있으나, GPS의 실내측위, 비용 및 전력소모 등의 한계성을 극복하기 위해 최근 이동통신 망, 무선 센서 망 및 ad hoc 네트워크를 이용한 무선 측위 기술에 대한 연구가 활발한 진행되고 있다. 따라서 본고에서는 무선망에서 구현이 가능한 대표적인 무선 측위 기술들을 조사하고 이들의 측위 원리와 성능을 연구자료 들을 토대로 분석하였다. 결론적으로, 무선 측위 기술의 선택은 측위환경, 정확도, 소요시간, 계산 양, 구현의 용이성 등의 설계요소로부터 응용분야에 가장 적합한 요소들을 고려하여야 하겠다.

Keywords

References

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