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The performance of coded hopped multilevel DPSK on a fading mobile satellite channel with interference

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3 Author(s)
P. Wittke ; Dept. of Electr. Eng., Queen's Univ., Kingston, Ont., Canada ; Y. M. Lam ; P. J. Elliott

The results of the error performance of trellis and convolutionally coded slow frequency-hopped spread spectrum systems are presented, as might be encountered in mobile or cellular applications. The particular hopped modulation is π/M-shifted, M-ary differential phase shift keying (π/M-DMPSK) with differential detection and a maximum metric decoding, with M=2, 4, and 8. The channel is subject to flat Rician fading and the faded component may have a Doppler frequency shift due to vehicle motion. A union Chernoff bound on error performance is evaluated for the usual additive white Gaussian noise channel, and in addition with multiple access interference due to other users. A system simulation has been carried out in which the effects of implementation parameters in the decoder have been examined

Published in:

Singapore ICCS '94. Conference Proceedings.  (Volume:2 )

Date of Conference:

14-18 Nov 1994