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Jitter and error performance analysis of QPR-TCM and neural network equivalent systems over mobile satellite channels

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1 Author(s)
Ucan, O.N. ; Fac. of Electr. & Electron. Eng., Istanbul Tech. Univ., Turkey

In this paper, to improve bandwidth efficiency and error performance, partial response signaling (PRS) and trellis coded modulation (TCM) are combined together and named as QPR-TCM. The emphasis in this paper is on the jitter and error performance of QPR-TCM and neural network equivalent models in the fading environment with ideal channel state information (CSI) and no side information exist on the phase noise process. Analytical upper bounds are derived using Chernoff bounding technique, combined with the modified generating functional approach. One interesting result is that the bit error probability upper bounds of the proposed scheme is better than 4QAM-TCM for SNR values greater than a threshold, which have the best error performance till now. Neural network models of QPR-TCM schemes are introduced for the first time in the literature for fading channels and the bit error event curves are derived using the back propagation algorithm. It is shown that neuro-computing results confirm the analytical approach

Published in:

Personal, Indoor and Mobile Radio Communications, 1996. PIMRC'96., Seventh IEEE International Symposium on  (Volume:2 )

Date of Conference:

15-18 Oct 1996