Optimum and suboptimum receivers for M-ary CPM signals based upon the Laurent representation

This paper involves a method for reduced complexity demodulation of continuous phase modulated (CPM) signals, which is based upon the extended Laurent representation of the nonlinear CPM modulation as a sum of time-offset pulse amplitude modulations. For signaling schemes with a long memory we deriv...

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Main Authors: Figuera, M., Krogmeier, J.V.
Format: Conference Proceeding
Language:English
Subjects:
Amplitude modulation
AWGN
Continuous phase modulation
Costs
Demodulation
Detectors
Maximum likelihood detection
Phase modulation
Pulse modulation
Receivers
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Krogmeier, J.V.
description This paper involves a method for reduced complexity demodulation of continuous phase modulated (CPM) signals, which is based upon the extended Laurent representation of the nonlinear CPM modulation as a sum of time-offset pulse amplitude modulations. For signaling schemes with a long memory we derive a reduced complexity maximum-likelihood (ML) detector by approximating the CPM signal with a set of optimized pulses. The implementation is done for the non-binary case and for partial response CPM systems. It is demonstrated that, in the context of sequence detection, a remarkable receiver complexity reduction is possible using this method. The performance criteria used in the paper is symbol error probability and comparisons are made with other algorithms.
doi_str_mv 10.1109/VETECF.2002.1040624
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Amplitude modulation
AWGN
Continuous phase modulation
Costs
Demodulation
Detectors
Maximum likelihood detection
Phase modulation
Pulse modulation
Receivers
title Optimum and suboptimum receivers for M-ary CPM signals based upon the Laurent representation
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