Sub-Block Turbo Equalization for CPM Waveforms in Multipath Environments

Continuous phase modulation schemes are used in many NATO interoperability standards, these standards are typically designed to be employed in urban environments with harsh multipath effects which cause fast fading and phase-inversions, and as such poor bit error rate (BER) performance. Sub-block eq...

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Bibliographic Details
Published in2023 International Conference on Military Communications and Information Systems (ICMCIS) pp. 1 - 6
Main Authors Kellett, Joseph, Hamilton, Alexander, Williams, John, Wong, Choong Hin
Format Conference Proceeding
LanguageEnglish
Published IEEE 16.05.2023
Subjects
Bit error rate
Fading channels
Government
Interoperability
Military communication
Standards organizations
Urban areas
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Summary:Continuous phase modulation schemes are used in many NATO interoperability standards, these standards are typically designed to be employed in urban environments with harsh multipath effects which cause fast fading and phase-inversions, and as such poor bit error rate (BER) performance. Sub-block equalization, a modified form of turbo equalization, is proposed and shown to offer better performance in these multipath environments. These results are supported by extrinsic information transfer (EXIT) chart analysis of the respective inner and outer codes. 1 1 Content includes material subject to Crown Copyright (2023), Dstl. This material is licensed under the terms of the Open Government Licence except where otherwise stated. To view this licence, visit http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3 or write to the Information Policy Team, The National Archives, Kew, London TW9 4DU, or email: psi@nationalarchives.gsi.gov.uk 2 2 This paper was originally presented at the NATO Science and Technology Organization Symposium (ICMCIS) organized by the Information Systems Technology (IST) Panel, IST-200RSY the ICMCIS, held in Skopje, North Macedonia, 16-17 May 2023.
DOI:10.1109/ICMCIS59922.2023.10253490