Recent Study on the Criticality of Space Based Oscillators for the Optimal Performance of Time-Based Signals | Chapter 16 | Advanced Aspects of Engineering Research Vol. 16

 The oscillators are at the heart of a satellite-based navigation system, as they are required for precise timing. The goal of this study is to find out how important space-based oscillators are for improving the performance of GNSS and satellite-based augmentation systems (SBAS). The NIGCOMSAT-1R navigation payload, which employs externalised 10 MHz Master Oscillators in a 3 X 4 hybrid array configuration, is Africa's contribution to the SBAS. It investigates the efficacy of Location Based Services using Navigation for Emergency and Crisis Management, among other applications.

Author (S) Details

Lawal S. Lasisi
Nigerian Communication Satellite Limited, Nigeria.

Chatwin R. Chris
University of Sussex, UK.

View Book :- https://stm.bookpi.org/AAER-V16/article/view/2001

Nigcomsat-1R Satellite-Based Augmentation System(SBAS) Test Bed Trial: A Scientific Explanation | Chapter 6 | Recent Developments in Engineering Research Vol. 11

In October 2016, China Great Wall Industry Corporation and Spacestar Technology Company Ltd of China entered into a cooperative agreement with Nigerian Communications Satellite Ltd on a Nigerian Communications Satellite (NIGCOMSAT-1R) augmentation system using NIGCOMSAT-1R L Band performance test and evaluation of the Satellite-Based Augmentation System (SBAS). A Navigation Overlay Service (NOS) known as the Nigerian Satellite Augmentation System (NS) is provided by the NigComSat-1R Navigation (L-band) payload (NSAS). In order to verify functional specifications, performance validation of units, sub-systems and systems of both the SBAS payload and ground infrastructure before a pilot project demonstration of capabilities and proof-of-concept nationally and extension to other locations and regions of Africa, this paper discusses test bed experimentation conducted together with partners.

Author (s) Details

Lawal S. Lasisi
Satellite Applications and Development, Nigerian Communications Satellite Ltd, Obasanjo Space Center, Affiliated to Federal University of Technology, Minna, Nigeria.

Li Dongjun
Satellite Navigation Applications and Development, Space Star Technology CO., Ltd (SSTC), Affiliated to the China Academy of Space Technology of the China Aerospace Science and Technology Corporation, China.

Professor Chatwin R. Chris
Engineering and Design, School of Engineering and Informatics, Room 2B07, Shawcross Building, University of Sussex, Falmer, BN1 9QT, Brighton, UK.

View Book :- https://stm.bookpi.org/RDER-V11/issue/view/26