Improved Jamming-Resistant Frequency Hopping Spread Spectrum Systems

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Atta, Walid Mohamed Saad Aly




Frequency hopping spread spectrum is widely used in military applications to
provide communication between command posts, soldiers, vehicles, sensors, missile
launchers, etc. It provides good protection against the effects of frequency selective
fading, and can be robust in jamming environments. Traditional frequency hopping
spread spectrum involves dividing the available spectrum into a large number of
sub-bands, and hopping over these sub-bands in a pseudo-random fashion, but there
are different implementations within this general framework that can deliver better
this thesis, we present several existing frequency hopping spread spectrum
schemes and we investigate their performance in the presence of frequency selective
fading and adaptive partial band jamming. We optimize the control parameters
of matched frequency hopping, clipped matched frequency hopping and advanced
frequency hopping to enhance their throughput performance. We also propose three
new random frequency hopping schemes that generate a hopping pattern with the
property of being random over the total bandwidth of the channel but good sub-bands
tend to be selected more frequently.
These new random frequency hopping schemes
provide greater resilience to adaptive jamming and give much higher throughput than
the existing schemes.


Electrical engineering




Carleton University

Thesis Degree Name: 

Doctor of Philosophy: 

Thesis Degree Level: 


Thesis Degree Discipline: 

Engineering, Electrical and Computer

Parent Collection: 

Theses and Dissertations

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