October 2007
Intermediate to advanced
368 pages
10h 55m
English
Content preview from Passive Optical Networks
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PONs are becoming more and more data-centric. Several variants of PONs such
as B-PON (ITU-T G.983) [1–4], E-PON (IEEE 802.3ah) [5], and G-PON (ITU-T
G.984) [6, 7] have been widely deployed recently to cope with the increasing
demand for access bandwidths. With the recent availability of low-cost optical
components, PONs using the wavelength division multiplexing (WDM) tech-
nique have been emerging as the next generation optical access networks. In a
WDM-PON, each ONU is served by a dedicated set of wavelength channels to
communicate with the OLT. Each individual ONU can enjoy a dedicated band-
width, which is also scalable according to its own need. Thus, the system capacity
and the network flexibility could be greatly enhanced. However, with conven- ...
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