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Discriminator-integrator detection with decision feedback equalization of CPM systems in mobile radio channels

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3 Author(s)
Andrisano, O. ; DEIS, Bologna Univ., Italy ; Chiani, M. ; Verdone, R.

An analytical approach is presented to investigate error probability when limiter-discriminator-integrator detection is applied to binary full and partial response continuous-phase modulation (CPM) in a mobile radio channel. The effects of a narrowband bandpass filter and multipath propagation including Doppler shift are taken into account. The improvements obtainable by means of decision feedback equalization (DFE) are also considered. The numerical results show that DFE generally leads to some performance improvements, whereas at high SNR, where an error floor due to the Doppler shift is observed, its effects are negative. Variation of the post-detection integration time has also been investigated, to achieve optimum performance with and without DFE

Published in:

Communications, 1992. ICC '92, Conference record, SUPERCOMM/ICC '92, Discovering a New World of Communications., IEEE International Conference on

Date of Conference:

14-18 Jun 1992