Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Fast Ambiguity Determination Method(FADM) for Carrier Phase GPS and Performance Analysis

반송파위성 GPS를 위한 빠른 미지정수 결정 기법 및 성능 분석

  • Park, Gyu-Il (Dept.of Electronics Electric Engineering, Chungang University) ;
  • Oh, Min-Seok (Dept.of Electronics Electric Engineering, Chungang University) ;
  • Shim, Duk-Sun (Dept.of Electronics Electric Engineering, Chungang University)
  • 최규일 (중앙대학교 전자전기공학부) ;
  • 오민석 (중앙대학교 전자전기공학부) ;
  • 심덕선 (중앙대학교 전자전기공학부)
  • Published : 2001.12.01
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Abstract

It is well-known that positioning accuracy can be improved by the use of carrier phase of GPS up to the centimeter level. In order to obtain good accuracy, we need to know integer ambiguity in the carrier phase accurately. In this paper, we propose a fast ambiguity determination method(FADM) which combines Kalman filtering and the search method, and show the improvement of the positioning performance by static and kinematic simulation compared with known methods such as Kalman filtering, LSAST (Least Squares Ambiguity Search Technique), ARCE(Ambiguity Resolution with Constratint Equation), LLL(Lenstra, Lenstra, and Lovasz) algorithms.

Keywords

References

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