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Performance of fast frequency-hopped MFSK receivers with linear combining in a Rician fading channel with partial-band interference

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2 Author(s)
Robertson, R.C. ; Dept. of Electr. & Comput. Eng., US Naval Postgraduate Sch., Monterey, CA, USA ; Lee, K.Y.

An error probability analysis is performed for a conventional M-ary orthogonal frequency-shift keying (MFSK) noncoherent receiver employing fast frequency-hopped spread-spectrum waveforms transmitted over a Rician fading channel with partial-band interference. The partial-band interference is modeled as a Gaussian process. As might be expected, higher modulation orders and greater diversity improve overall system performance when only wideband interference is encountered. However, the performance of the conventional receiver is found to be significantly degraded by worst-case partial-band interference regardless of the modulation order or number of hops per data symbol used for all channel conditions

Published in:

Signals, Systems and Computers, 1991. 1991 Conference Record of the Twenty-Fifth Asilomar Conference on

Date of Conference:

4-6 Nov 1991