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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Nagarajoo, K. Chong Sze Fah |
| Copyright Year | 2013 |
| Description | Author affiliation: Dept. of Commun. Eng., Univ. Tun Hussein Onn Malaysia, Batu Pahat, Malaysia (Nagarajoo, K.; Chong Sze Fah) |
| Abstract | Ray tracing technique can be used to determine the effect of Earth's magnetic field to (Global Positioning Systems (GPS) signals with and without the presence of ionospheric horizontal gradient. In this project, Jones 3D Ray Tracing program was employed to study the effect of the ionosphere on GPS rays $(L_{1}$ and L2). The group path or delay is obtained from the difference between the distances of the ray path to the Earth station from the GPS satellite determined from the ray-tracing and the distance for propagation over the line of sight (LOS). Then, the residual range error (RRE), which is the difference between the standard dual frequencies models corrected range and LOS, will be calculated. The gradient ionospheric profile was then used to compare the effect of the ionosphere with and without gradient on GPS ray tracing. Results show that there is difference in between the RRE calculation with and without the presence of the ionospheric gradient. The Earth's magnetic field effect to GPS signal is normally neglected since it has very minimal effect. However, in this research, results obtained show that the Earth's magnetic field has to be taken into account in order to determine more accurate GPS ray tracing. |
| Starting Page | 110 |
| Ending Page | 114 |
| File Size | 906568 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781467352338 |
| ISSN | 2165431X |
| DOI | 10.1109/IconSpace.2013.6599444 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-07-01 |
| Publisher Place | Malaysia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Earth Three-dimensional displays Earth's magnetic field Ionospheric horizontal gradient Ray tracing Jones 3D Ray Tracing Magnetic fields Mathematical model Electron density Ionosphere Global Positioning System |
| Content Type | Text |
| Resource Type | Article |
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