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POS is an international journal dedicated to the advancement of the study of navigation and positioning. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of navigation and positioni…
Toshinori Maruyama, Hideki Yamamoto
Accurate positioning reduces the X-ray exposure of the subject and produces a valuable X-ray image for diagnosis. This paper describes the development of a positioning training tool that supports those studying to be radiological technolo gists in learning th…
Surendra Sunda, B. M. Vyas, S. V. Satish, K. S. Parikh
GAGAN is an Indian implementation of Satellite Based Augmentation System ( SBAS ), developed jointly by Airports Authority of India (AAI) and Indian Space Research Organisation (ISRO). It is in final operational phase with all the required ground and space se…
Adda Redouane Ahmed Bacha, Dominique Gruyer, Alain Lambert
In this paper , an innovative collaborative data fusion approach to ego-vehicle localization is presented. This approach called Optimized Kalman Swarm (OKS) is a data fusion and filtering method, fusing data from a low cost GPS, an INS, an Odometer and a Stee…
Arif Shafayat Mehdiyev, Ramiz Ahmed Eminov, Hikmat Hamid Asadov
The factual data on error of positioning in VRS GPS networks ha ve been analyzed, where the mobile receiver is pro vided with VRS. The method of highly informative zone is suggested for removal of initial vagueness in selection of reference stations for purpo…
G. Esteban Vázquez, Rick Bennett, Joshua Spinler
We conducted a study to quantify the amount of pseudorange multipath at continuous Global Positioning System (CGPS) stations in the Mexican territory. These CGPS stations serve as reference stations enabling rapid high-precision three-dimensional positioning…
Mohamed Attia, Adel Moussa, Naser El-Sheimy
Navigation systems play an important role in many vital disciplines. Determining the location of a user relative to its physical environment is an important part of many indoor-based navigation services such as user navigation, enhanced 911 (E911), law enforc…
Jafar Keighobadi, Parisa Doostdar
In low-cost Attitude Heading Reference Systems (AHRS), the measurements made by Micro Electro-Mechanical Sys tems (MEMS) type sensors are affected by uncertainties, noises and unknown disturbances. In this paper, considering the robustness of sliding mode obs…
Shuib Rambat, Mohamad Syazli Fathi, John Elgy
This study aims to enhance the accuracy of the commercial Inertial Measurement Unit (IMU) developed using the ad vanced Micro-Electro-Mechanical System (MEMS) by using the epoch analysis technique. The epoch analysis ap proach has been established to quantify…
Viliam Vatrt, Lubomil Pospíšil, Jean-Pierre Loule
New height precise Earth Geopotential Model EGM08 made it possible to develop the value of the geoidal geopotential W 0 . This value is independent on Earth’s tides and others disturbances, therefore it can b e used as basic quantity for many applications. Va…
G. Sateesh Kumar, G. Sasi Bhushana Rao, M. N. V. S. S. Kumar
GPS navigation signal includes vital information such as orbital parameters, clock error coefficients etc. This received signal which is extremely weak is affected by several errors during its propagation and is of the order of 10 -16 W. The noise floor of th…
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POS is an international journal dedicated to the advancement of the study of navigation and positioning. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of navigation and positioni… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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