By Chonggang Wang
The yearly foreign convention on entry Networks (AccessNets) goals to supply a discussion board that brings jointly researchers and scientists from academia in addition to guy- ers and engineers from to satisfy and alternate rules and up to date paintings on all features of entry networks. AccessNets 2008 was once the 3rd version of this occasion, which used to be effectively held in Las Vegas, Nevada, united states, in the course of October 15–17, 2008. The convention consisted of 2 keynote addresses, 5 invited talks, seven technical classes, and panel classes. Leonid Kazovsky from Stanford college and Kevin Schneider, leader know-how Officer of ADTRAN, brought their interesting keynote - clothes on “Future Evolution of Broadband Access,” and “Carrier Ethernet and the Evo- ing entry Networks,” respectively. Maurice Gagnaire, Martin Reisslein, Martin Maier, Paolo Giacomazzi, and John M. Cioffi gave attention-grabbing invited talks on assorted learn subject matters on entry networks. The technical papers offered unique and primary - seek advances within the quarter of entry networks, whereas the panels serious about the fascinating issues of “Fiber Assisted instant for Broadband entry Networks and Dynamic Spectrum administration (DSM) Successes. ” those convention court cases contain the entire technical papers that have been provided at AccessNets 2008. we are hoping that it'll develop into an invaluable reference for researchers and practitioners operating within the zone of entry networks.
Read Online 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 resources 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)
Ghazisaidi, and M. Reisslein In conventional cellular radio networks, a hand-over would take place whenever the train crosses the cell boundary between two neighboring RAUs. To avoid hand-overs, the applied concept of moving cells lets a cell pattern move together with the passing train such that the train can communicate on the same RF frequencies during the whole connection without requiring hand-overs. The central station implements the moving cells by subsequently sending the RF frequencies used by the train to the next RAU following in the direction the train is moving.
An optical wavelength division multiplexing (WDM) ring interconnects the RAUs with the central station where all processing is performed. Each RAU deploys an optical add-drop multiplexer (OADM) ﬁxed tuned to a separate wavelength channel. That is, each RAU is allocated a separate dedicated wavelength channel for transmission and reception to and from the central station. At the central station, a WDM laser generates the desired wavelengths in order to reach the corresponding RAUs. The generated wavelengths are optically switched and passed to an array of RF modulators, one for each RAU.
The performance evaluation in  includes comparisons of excess bandwidth distribution with some form of IPACT, namely the Single Table extension of IPACT to WDM . Speciﬁcally, the Gated allocation of IPACT, where the grant is set equal to the ONU request, without any upper limit, was considered. Gated allocation can lead to unfairness because grant sizes are determined solely as a function of reported queue depth, which is obviously unfair. IPACT with Limited allocation, which we consider in this study, avoids this fairness problem by strictly limiting the size of a granted upstream transmission.
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) by Chonggang Wang