Interference detection in slow frequency‐hopped quadrature phase‐shift‐keying systems over fading channels | Zendy

Aung Aye | Zendy; Teh Kah Chan | Zendy; Li Kwok Hung | Zendy

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Interference detection in slow frequency‐hopped quadrature phase‐shift‐keying systems over fading channels

Author(s) -

Aung Aye,

Teh Kah Chan,

Li Kwok Hung

Publication year - 2013

Publication title -

iet communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.355

H-Index - 62

eISSN - 1751-8636

pISSN - 1751-8628

DOI - 10.1049/iet-com.2012.0642

Subject(s) - fading , phase shift keying , interference (communication) , keying , computer science , quadrature (astronomy) , frequency shift keying , telecommunications , electronic engineering , channel (broadcasting) , bit error rate , engineering , demodulation

In this study, the authors present an algorithm to detect unknown interference in slow frequency‐hopped quadrature phase‐shift‐keying systems. Both partial‐band noise interference and multitone interference are considered. The algorithm is developed based on the correlator outputs over one hop. A suitable threshold level is derived for detection. The authors formulate the analytical expressions for probability of detection for both interference models. Numerical results reveal that the proposed algorithm can detect both interference types even at low interference power.

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