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http://dx.doi.org/10.5302/J.ICROS.2011.17.9.941

Verification of GPS Aided Error Compensation Method and Navigation Algorithm with Raw eLoran Measurements  

Song, Se-Phil (Department of Electronics Engineering, Chungnam National University)
Choi, Heon-Ho (Department of Electronics Engineering, Chungnam National University)
Kim, Young-Baek (Hanyang Navicom Co.,)
Lee, Sang-Jeong (Department of Electronics Engineering, Chungnam National University)
Park, Chan-Sik (Department of Electronics Engineering, Research Institute for Computer and Information Communication, Chungbuk National University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.17, no.9, 2011 , pp. 941-946 More about this Journal
Abstract
The Loran-C, a radio navigation system based on TDOA measurements is enhanced to eLoran using TOA measurements instead of TDOA measurements. Many error factors such as PF, SF, ASF, clock errors and unknown biases are included in eLoran TOA measurements. Because these error factors can cause failure in eLoran navigation algorithm, these errors must be compensated for high accuracy eLoran navigation results. Compensation of ASF and unknown biases are difficult to calculate, while the others such as PF and SF are relatively easy to eliminate. In order to compensate all errors in eLoran TOA measurements, a simple GPS aided bias compensation method is suggested in this paper. This method calculates the bias as the difference of TOA measurement and the range between eLoran transmitters and the receiver whose position is determined using GPS. The real data measured in Europe are used for verification of suggested method and navigation algorithm.
Keywords
eLoran; Bias compensation; TOA; GPS Aided eLora;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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