Download PDF by Chonggang Wang: Access Nets: Third International Conference on Access

By Chonggang Wang

ISBN-10: 3642046479

ISBN-13: 9783642046476

This booklet constitutes the completely refereed post-conference complaints 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 awarded including five invited papers have been conscientiously reviewed and chosen. The papers current unique and basic learn advances within the zone of entry networks, equivalent to hybrid entry networks, passive optical networks, fiber assisted instant for broadband entry networks, service 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.

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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)

Sample text

We propose a novel Online Excess Bandwidth Distribution Mechanism (OEBD) to overcome the stability problems of existing offline excess bandwidth distribution mechanisms. 2 Related Work Excess bandwidth distribution as part of the dynamic bandwidth allocation process in EPONs [7] has received significant interest in recent years. Following the seminal work [1], several refinements and a range of different mechanisms have been proposed for excess bandwidth distribution. The research in [8], for instance, significantly advanced excess bandwidth allocation by introducing a weighted excess division technique that enforces fair division of the total excess .

Each WAP provides channel bandwidth of at least 5 MHz and covers up to 16 MCNs by means of frequency division multiplexing (FDM). Under normal operating conditions, the Fig. 4. Optical interconnected bidirectional fiber rings integrated with WiFi-based wireless access points [20] The Audacity of Fiber-Wireless (FiWi) Networks 27 Fig. 5. Optical hybrid star-ring network integrated with WiFi-based wireless access points [21] CO transmits downstream signals in the counter-clockwise direction via RNs and CNs to the WAPs.

11a/b/g WLANs, the additional propagation delay between wireless stations and access point poses severe challenges. To see this, note that in WLANs a source station starts a timer after each frame transmission and waits for the acknowledgment (ACK) from the destination station. 11b WLAN networks, respectively. If the source station does not receive the ACK before the ACK timeout it will resend the frame for a certain number of retransmission attempts. Clearly, one solution to compensate for the additional fiber propagation delay is to increase the ACK timeout.

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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


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