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Authors: Mohammad Kaisb Layous Alhasnawi 1 ; Ronald G. Addie 2 and Shahab Abdulla 3

Affiliations: 1 Faculty of Administration and Economics, Sumer University, Thi-Qar and Iraq ; 2 School of Agricultural, Computational and Environmental Science, University of Southern Queensland, Toowoomba and Australia ; 3 Open Access College, University of Southern Queensland, Toowoomba and Australia

ISBN: 978-989-758-319-3

Keyword(s): OFDM, Spread-spectrum OFDM, Spectrum Sharing, Ideal Channel, Galois Field, Nearly Orthogonal.

Related Ontology Subjects/Areas/Topics: Performance Analysis of Wireless Networks ; Routing Protocols, Qos, Scheduling and Congestion Control ; Telecommunications ; Wireless and Mobile Technologies ; Wireless Information Networks and Systems

Abstract: Orthogonal frequency division multiplexing (OFDM) systems are reviewed and the Shannon bound is discussed as a criterion of efficient spectrum use and a design criterion. The problem of efficient sharing of spectrum by wireless communication systems is discussed and combined use of direct-sequence spread-spectrum (DSSS) coding and OFDM is proposed as an approach which can achieve efficient spectrum sharing. A system which enables DSSS, with codes from the Galois field of order f where f is a prime larger than 2, to be used efficiently in conjunction with OFDM is then defined, analysed, and implemented. Experiments with this system are described.

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Paper citation in several formats:
Kaisb Layous Alhasnawi, M.; G. Addie, R. and Abdulla, S. (2018). A New Approach to Spread-spectrum OFDM.In Proceedings of the 15th International Joint Conference on e-Business and Telecommunications - Volume 1 DCNET, ICE-B, OPTICS, SIGMAP and WINSYS: ICETE, ISBN 978-989-758-319-3, pages 281-288. DOI: 10.5220/0006828604470454

@conference{icete18,
author={Mohammad Kaisb Layous Alhasnawi. and Ronald G. Addie. and Shahab Abdulla.},
title={A New Approach to Spread-spectrum OFDM},
booktitle={Proceedings of the 15th International Joint Conference on e-Business and Telecommunications - Volume 1 DCNET, ICE-B, OPTICS, SIGMAP and WINSYS: ICETE,},
year={2018},
pages={281-288},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006828604470454},
isbn={978-989-758-319-3},
}

TY - CONF

JO - Proceedings of the 15th International Joint Conference on e-Business and Telecommunications - Volume 1 DCNET, ICE-B, OPTICS, SIGMAP and WINSYS: ICETE,
TI - A New Approach to Spread-spectrum OFDM
SN - 978-989-758-319-3
AU - Kaisb Layous Alhasnawi, M.
AU - G. Addie, R.
AU - Abdulla, S.
PY - 2018
SP - 281
EP - 288
DO - 10.5220/0006828604470454

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