Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications

Unmanned Aerial Vehicle (UAV) has been used in various applications. As there are no human pilot onboard the UAV, the wireless communication link between the UAV and other devices is a key component to the UAV operation. The wireless communication link can be vulnerable to malicious attacks such as...

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Main Author: Mah, Meng Chuan
Format: Thesis
Published: 2019
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spelling my-mmu-ep.77582020-09-22T17:51:07Z Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications 2019-08 Mah, Meng Chuan TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television Unmanned Aerial Vehicle (UAV) has been used in various applications. As there are no human pilot onboard the UAV, the wireless communication link between the UAV and other devices is a key component to the UAV operation. The wireless communication link can be vulnerable to malicious attacks such as jamming or eavesdropping. Thus, methods and techniques to increase the robustness of the UAV communication link in the presence of jamming and eavesdropping are crucial. Channel estimation in the presence of jamming can be a challenging process as the jamming signal’s properties are usually unknown. An existing method has been proposed where multi-antenna interference cancellation is exploited to estimate the required channel components. However, the existing method struggles to estimate fast time-varying channel accurately, especially for cases where the UAV is travelling at high velocity. In this thesis, an algorithm to estimate the channel components and recover the desired signal in the presence of reactive jamming is proposed. A Kalman filter and basis expansion model (BEM) are utilised to ensure the proposed method can estimate the fast time-varying channel. Simulations are carried out and the proposed method is shown to outperform the existing method. UAV has been used as a relay in many common applications to increase the range of wireless communication. Unlike fixed-location ground relay, the high mobility of the UAV provides a potentially unique solution to combat jamming. An existing work exploits the mobility of the UAV by optimising the flight path of the UAV to maximise the signal-to-noise ratio (SNR) at the receiver. In the presence of jamming, the signal-to-interference-plus-noise ratio (SINR) represents a better measure of the robustness and performance of the communication. In this thesis, an algorithm to determine the flight path of the UAV is proposed where the SINR at the receiver is maximised. 2019-08 Thesis http://shdl.mmu.edu.my/7758/ http://library.mmu.edu.my/library2/diglib/mmuetd/ phd doctoral Multimedia University Faculty of Engineering & Technology
institution Multimedia University
collection MMU Institutional Repository
topic TK5101-6720 Telecommunication
Including telegraphy, telephone, radio, radar, television
spellingShingle TK5101-6720 Telecommunication
Including telegraphy, telephone, radio, radar, television
Mah, Meng Chuan
Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications
description Unmanned Aerial Vehicle (UAV) has been used in various applications. As there are no human pilot onboard the UAV, the wireless communication link between the UAV and other devices is a key component to the UAV operation. The wireless communication link can be vulnerable to malicious attacks such as jamming or eavesdropping. Thus, methods and techniques to increase the robustness of the UAV communication link in the presence of jamming and eavesdropping are crucial. Channel estimation in the presence of jamming can be a challenging process as the jamming signal’s properties are usually unknown. An existing method has been proposed where multi-antenna interference cancellation is exploited to estimate the required channel components. However, the existing method struggles to estimate fast time-varying channel accurately, especially for cases where the UAV is travelling at high velocity. In this thesis, an algorithm to estimate the channel components and recover the desired signal in the presence of reactive jamming is proposed. A Kalman filter and basis expansion model (BEM) are utilised to ensure the proposed method can estimate the fast time-varying channel. Simulations are carried out and the proposed method is shown to outperform the existing method. UAV has been used as a relay in many common applications to increase the range of wireless communication. Unlike fixed-location ground relay, the high mobility of the UAV provides a potentially unique solution to combat jamming. An existing work exploits the mobility of the UAV by optimising the flight path of the UAV to maximise the signal-to-noise ratio (SNR) at the receiver. In the presence of jamming, the signal-to-interference-plus-noise ratio (SINR) represents a better measure of the robustness and performance of the communication. In this thesis, an algorithm to determine the flight path of the UAV is proposed where the SINR at the receiver is maximised.
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Mah, Meng Chuan
author_facet Mah, Meng Chuan
author_sort Mah, Meng Chuan
title Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications
title_short Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications
title_full Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications
title_fullStr Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications
title_full_unstemmed Channel Estimation And Flight Path Planning For Secure Unmanned Aerial Vehicle Communications
title_sort channel estimation and flight path planning for secure unmanned aerial vehicle communications
granting_institution Multimedia University
granting_department Faculty of Engineering & Technology
publishDate 2019
_version_ 1747829675513610240