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Multiple tone interference of frequency-hopped noncoherent MFSK signals transmitted over Ricean fading channels

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Author
Robertson, R. Clark
Sheltry, Joseph F.
Date
1996-07
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Abstract
This paper investigates the performance degradation resulting from multitone interference of orthogonal, frequency­ hopped, noncoherent M-ary frequency-shift keyed receivers (FH/MFSK) where the effect of thermal and other wideband noise is not neglected. The multiple, equal power jamming tones are assumed to correspond to some or all of the possible FH M-ary orthogonal signaling tones. Furthermore, the channel is modeled as a Ricean fading channel; and both the signaling tones and the multiple interference tones are assumed to be affected by channel fading. It is also assumed that channel fading need not necessarily affect the signaling tones and the interference tones in the same way. When the information signal power exceeds the power of the individual interference tones, poorer overall system performance is obtained when the multiple interfering tones experience fading. This trend is accentuated as M increases. When the information signal experiences fading, the effect of fading multiple interference tones on overall system performance lessens, and for a Rayleigh-faded information signal, fading of the multiple interference tones has no effect on overall system performance regardless of M.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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http://hdl.handle.net/10945/56459
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    Katsoulis, George T. (Monterey, California. Naval Postgraduate School, 1997-03);
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    Performance of fast frequency-hopped self-normalized BFSK receivers over Ricean fading channels with multitone interference 

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