Volume 4 Number 12 (Dec. 2009)
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JCP 2009 Vol.4(12): 1195-1201 ISSN: 1796-203X
doi: 10.4304/jcp.4.12.1195-1201

Design of a General Single Frequency GPS Receiver Research Platform for High dynamic and Weak Signal

Jicheng Ding, Lin Zhao, Weiquan Huang

Abstract—This paper demonstrates a GPS receiver research platform. It can generate digital Immediate Frequency (IF) GPS signal and some signal synchronize functions on high dynamic and weak signal environment. It is based on a mathematical signal model which expresses the digitized IF GPS signal as a function of various errors during propagation. The simulator is able to simulate more than 12 GPS satellite signals due to user. In order to validate the signals and develop more effective algorithm for various GPS signals and different tracking techniques are discussed. Performances of different type tracking loops outputs on particular environment are demonstrated and analyzed. Especially, for weak signal environment, aiming at tracking degraded signal, an errors tracking scheme based on modified Unscented Kalman Filtering (UKF) is designed and implemented. The 30dB/Hz weak signal test result validated the tracking scheme.

Index Terms—Global Positioning System, signal simulation, signal tracking, high dynamic, weak signal, UKF.

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Cite: Jicheng Ding, Lin Zhao, Weiquan Huang, "Design of a General Single Frequency GPS Receiver Research Platform for High dynamic and Weak Signal," Journal of Computers vol. 4, no. 12, pp. 1195-1201, 2009.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Bimonthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat,etc
E-mail: jcp@iap.org
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