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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i18.50
pages 1657-1663

HIGH DATA RATE OF A NOVEL MODULATION SCHEME BASED ON ORTHOGONAL CHAOTIC SIGNALS

Abbas Salman Hameed
College of Engineering, Diyala University, P.O. Box-1 , Post Office/Baquba/ Diyala-Baquba, Iraq

ABSTRACT

In a mobile environment and at high data rate transmission, channel makes highly hostility. This paper presents multi-orthogonal code modulation (MOCM) as a novel spread spectrum modulation scheme for spreading a transmission system to combat the channel effects and it is suitable for high data rate communications. This scheme uses an orthogonal chaotic signal to modulate and spread the information; therefore, a good information security is produced. The obtained results in noisy channel demonstrated the superiority of using MOCM compared with using traditional PSK for direct sequence spread spectrum (DS-SS); MOCM achieves a significant improvement in terms of bit error rate (BER) and data transmission rate.


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