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Satellite communications
- Masters Thesis
- Mazahri, Mohammad R.
- Mishra, Nirmal K.
- Bavarian, Behzad
- Engineering
- California State University, Northridge
- Dissertations, Academic -- CSUN -- Engineering.
- 2017-02-17T18:33:14Z
- http://hdl.handle.net/10211.3/186832
- by Mohammad R. Mazahri
- Includes bibliographical references (leaves 203-204)
- California State University, Northridge. Department of Engineering.
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
Home > GRADSCHOOL > GRADSCHOOL_THESES > 5615
LSU Master's Theses
Neural networks for interference mitigation in satellite communication systems.
Martha E. Cash , Louisiana State University and Agricultural and Mechanical College Follow
Semester of Graduation
Master of Electrical Engineering (MEE)
Electrical and Computer Engineering
Document Type
The objective of this thesis is to utilize the power of machine learning to develop a neural network-aided receiver in a DVBS-2X satellite communication system to improve the downlink transmission quality in the presence of interference. An emphasis is placed on mitigating the effects caused by non-linear distortions, carrier frequency offset, and additive white Gaussian noise. This thesis proposes a feed-forward neural network with two hidden layers to compensate for the distortions in the received signal. The proposed system model uses 16-APSK modulation scheme. The neural network is tested under varying degrees of non-linear distortion, frequency offsets, and varying levels of noise power.
Digital pre-distortion and frequency offset correction are used to compare neural network performance. The experiments presented in this work are generated using Simulink, MATLAB, and TensorFlow. The results show that the neural network can outperform digital pre-distortion when only non-linear distortions are considered. The neural network can also compensate for carrier frequency offset when the offset is less severe. However, the proposed neural network struggles when severe frequency offsets are considered. Future work will investigate using neural network architectures with memory to better compensate for severe carrier frequency offset and other channel effects like fading.
Recommended Citation
Cash, Martha E., "Neural Networks for Interference Mitigation in Satellite Communication Systems" (2022). LSU Master's Theses . 5615. https://repository.lsu.edu/gradschool_theses/5615
Committee Chair
Shuangqing Wei
10.31390/gradschool_theses.5615
Available for download on Monday, July 07, 2025
Since July 18, 2022
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Optical Communications for Small Satellites. by. Ryan W. Kingsbury. B.S., Rose-Hulman Institute of Technology (2004) S.M., Massachusetts Institute of Technology (2009) Submitted to the Department of Aeronautics and Astronautics in partial ful llment of the requirements for the degree of Doctor of Philosophy in Communications and Networking at ...
In this thesis, we assess the ability of free space optical communication (lasercom) to address these limitations, identify key technology developments that enable its application in small satellites, and develop a functional prototype that demonstrates predicted performance. We first establish design goals for a lasercom payload archi- tecture ...
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This guide has been prepared for SSO students to assist them in the research and writing of their master's thesis. It outlines the specific steps necessary to successfully complete a thesis of high quality. It has been written specifically for you, the student. See the SSO Thesis Guide link under the Thesis Documents and Topics section.
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Masters Thesis Satellite communication and modulation techniques. As satellite communication systems become increasingly a part of our every day lives, their requirements to have lower propagation delays, lower power reception, and lower complexity increases. Low Earth Orbiting (LEO) satellite networks offer several advantages such as lower ...
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The Center for Satellite and Hybrid Communication Networks is a NASA-sponsored Commercial Space Center also supported by the Department of Defense (DOD), industry, the State of Maryland, the University ... Degree and year: Master of Science, 2000 Thesis directed by: Professor Leandros Tassiulas
quantum communications within the context of micro-satellite constellations. This thesis provides novel and important insights into the development and implementation of advanced satellite-based quantum communications. Such insights should be very useful for the practical realization of a useful global-scale quantum Internet in the future. i
The objective of this final Master's thesis is to carry out a feasibility study of a Non-Governmental Organization that is specialized in deploying mobile stations that enables a satellite communication system to temporarily incommunicado population. Considering the disruptiveness and newness of the services offered, the proposed
Masters Thesis Satellite communications. ... Link design, modulation schemes, multiplexing techniques, and multiple access schemes in satellite communications are among the topics discussed here. Although present satellite communications systems rely heavily on FDM/FM/FDMA, future systems will tend to employ more and more digital modulation ...
MASTER'S THESIS A Global Broadband LEO Constellation Model: Deriving the Requirements for Laser Inter-satellite Communications June 2020 DOI: 10.13140/RG.2.2.18333.33769
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The objective of this thesis is to utilize the power of machine learning to develop a neural network-aided receiver in a DVBS-2X satellite communication system to improve the downlink transmission quality in the presence of interference. An emphasis is placed on mitigating the effects caused by non-linear distortions, carrier frequency offset, and additive white Gaussian noise.
In this thesis, the design, production and measurements of Ku-Band, omnidirectional and circularly polarized antennas, which can be used in satellite communication applications as receiver and/or transmitter, are explained. Ku-Band is a commonly used frequency band in satellite communication applications. These antennas consist
Optical inter-satellite link architectures for signal transport are investigated and parameterized models to compare the performance of each are synthesized. Both analog and digital modulation schemes for the link are considered. A two-channel receiver with both low and high interference is analyzed. It is shown that high resolution satellite ...
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