By Chonggang Wang
This ebook constitutes the completely refereed post-conference lawsuits of the 3rd overseas convention on entry Networks, AccessNets 2008, held in Las Vegas, NV, united states, in October 2008.
The 30 revised complete papers offered including five invited papers have been conscientiously reviewed and chosen. The papers current unique and primary learn advances within the zone of entry networks, corresponding to hybrid entry networks, passive optical networks, fiber assisted instant for broadband entry networks, provider ethernet and the evolving entry networks, instant entry networks dsl networks dynamic spectrum administration (dsm) successes, plc and dsl networks, in addition to entry community performance.
Read or Download Access Nets: Third International Conference on Access Networks, AccessNets 2008, Las Vegas, NV, USA, October 15-17, 2008. Revised Papers (Lecture Notes ... and Telecommunications Engineering) PDF
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Extra info for Access Nets: Third International Conference on Access Networks, AccessNets 2008, Las Vegas, NV, USA, October 15-17, 2008. Revised Papers (Lecture Notes ... and Telecommunications Engineering)
1. Radio-over-SMF network downlink using EAMs for diﬀerent radio client signals  client signals transmitted by the central station on a single-mode ﬁber (SMF) downlink to a base station and onward to a mobile user or vehicle. At the central station, both radio client signals are ﬁrst upconverted to a higher frequency by using a frequency converter. Then the two RF signals go into two diﬀerent electroabsorption modulators (EAMs) and modulate the optical carrier wavelength emitted by two separate laser diodes.
The remainder of the paper is structured as follows. In Section 2, we set the stage by brieﬂy reviewing radio-over-ﬁber (RoF) networks, a previously studied approach to integrate optical ﬁber networks and wireless networks, and explain their diﬀerence to so-called radio-and-ﬁber (R&F) networks. Section 3 elaborates on enabling technologies and the state of the art of FiWi networks. In Section 4, we introduce our proposal for future FiWi networks. Section 5 concludes the paper. 2 RoF vs. R&F Networks RoF networks have been studied for many years as an approach to integrate optical ﬁber and wireless networks.
I C. ): AccessNets, LNICST 6, pp. 36–45, 2009. c ICST Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering 2009 When Are Online and Oﬄine Excess Bandwidth Distribution Useful 37 The intuitive reasoning behind excess bandwidth distribution is to declare the unused portions (Gmax − Gi ) as excess bandwidth and distribute the total excess i max (G −Gi ) among the ONUs with Ri > Gmax . Thus, the basic bandwidth M i i m=1 tradeoﬀ made with excess bandwidth distribution is to extend the cycle within M which all ONUs are served once (to no more than approximately m=1 Gmax /C, i with C denoting the upstream transmission rate in Byte/sec) so that heavily in a cycle.