Abstract
A number of techniques are introduced which enable to deliver broadband services to residential users. The ultimate capacity is provided by optical fiber all the way to the user, thanks to the fiber’s huge bandwidth and very low losses. Also in combination with other media (twisted copper pair cable, coaxial cable, or radio link) fiber can considerably improve the capacity of the access network. Fiber access network topologies are discussed, including their economic aspects. For shared fiber topologies, a number of multiple access techniques are introduced, deploying time slot multiplexing, frequency multiplexing, code multiplexing, wavelength multiplexing, and combinations thereof. Wireless delivery of broadband services to mobile users is efficiently enabled by radio-over-fiber techniques, which consolidate the radio signal processing functions at a central site. Next to delivery by optical beams through fibers, broadband services may also be delivered by optical beams through free space, for short and clear line-of-sight links.
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© 2009 Springer Science+Business Media, LLC
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Koonen, T. (2009). Enabling Techniques for Broadband Access Networks. In: Shami, A., Maier, M., Assi, C. (eds) Broadband Access Networks. Optical Networks. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-92131-0_3
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DOI: https://doi.org/10.1007/978-0-387-92131-0_3
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