Survey on diversity-combining techniques for interference suppression in fast frequency hopping systems

Over the past few decades, frequency hopping (FH) techniques have attracted considerable interest in both military and commercial communications. However, fading and interference can significantly degrade the performance of an FH system. One method commonly employed to overcome the degradation in pe...

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Bibliographic Details
Published in:IET communications 2015-08, Vol.9 (12), p.1501-1509
Main Authors: Le, Ly-Minh-Duy, Teh, Kah Chan, Li, Kwok H
Format: Article
Language:English
Subjects:
Channels
Degradation
diversity reception
diversity‐combining techniques
Fading
fading effects
fast frequency hopping systems
FFH M‐ary frequency‐shift‐keying systems
frequency hop communication
Frequency hopping
frequency hopping techniques
frequency shift keying
Interference
interference effects
interference suppression
Military communications
radiofrequency interference
Retarding
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Summary:Over the past few decades, frequency hopping (FH) techniques have attracted considerable interest in both military and commercial communications. However, fading and interference can significantly degrade the performance of an FH system. One method commonly employed to overcome the degradation in performance because of the fading is the use of diversity. Furthermore, fast FH (FFH) systems can enjoy both time and frequency diversity and hence FFH systems employed in conjunction with diversity-combining techniques are effective for combating fading and interference effects. In this study, the authors provide a comprehensive survey on the past and current research work on diversity-combining techniques for suppressing different types of interference in FFH M-ary frequency-shift-keying systems over various fading channels. Some commonly used theoretical approaches for analysing performance of FFH systems are also presented. In addition to the survey, they will also discuss some interesting areas of future work in this research topic.
ISSN:1751-8628
1751-8636
1751-8636
DOI:10.1049/iet-com.2014.0882