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Digital communications

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Digital communications provided by OpenLearn is a comprehensive online course, which lasts for 20 hours worth of material. Upon completion of the course, you can receive an e-certificate from OpenLearn. The course is taught in Englishand is Free Certificate. Visit the course page at OpenLearn for detailed price information.

The Open University via OpenLearn
20 hours worth of material
Self Paced
Overview

  • Optical-fibre communications became commercially viable in the 1970s and innovation continues today. This free course, Digital communications, will illustrate how very high data rates can be ...

Syllabus

    • Introduction
    • Learning outcomes
    • 1 Optical fibre communication: introduction
    • 1 Optical fibre communication: introduction
    • 1.1 Uses of optical fibre in communication
    • 1.2 Wavelength or frequency?
    • 2 Elements of an optical-fibre link
    • 2 Elements of an optical-fibre link
    • 2.1 Light sources and detectors
    • 2.2 Fibre types
    • 2.3 Attenuation
    • 2.4 Pulse spreading and bandwidth
    • 2.4.1 Multimode distortion
    • 2.4.2 Dispersion in single-mode fibre
    • 2.4.3 Polarization mode distortion
    • 2.5 Non-Linearity
    • 2.6 Connecting and splicing fibres
    • 2.6.1 Connectors
    • 2.6.2 Splicing
    • 2.7 Cabling
    • 3 Optical components
    • 3 Optical components
    • 3.1 Introduction
    • 3.2 Directional couplers
    • 3.3 Optical amplifiers
    • 3.4 Optical switches
    • 3.5 Wavelength multiplexing and demultiplexing
    • 4 Developments and future directions in optical-fibre communications
    • 4 Developments and future directions in optical-fibre communications
    • 4.1 Introduction
    • 4.2 Fibre in the core network
    • 4.3 Optical networking
    • 4.4 Fibre in the access network
    • 4.4.1 FTTCab, FTTC, FTTB and hybrid coaxial fibre
    • 4.4.2 Passive optical networks and Ethernet in the first mile
    • 4.5 Fibre in LANs
    • 4.5.1 Gigabit Ethernet
    • 4.5.2 10 Gigabit Ethernet
    • 4.6 Conclusion to Section 4
    • Conclusion
    • Appendices
    • Appendix 1 Terminology
    • Appendix 2 Acronyms
    • References
    • Acknowledgements

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