By Xiao Jun Hei, Lawrence Cheung
This publication constitutes the completely refereed post-conference lawsuits of the Fourth foreign convention on entry Networks, AccessNets 2009, held in Hong Kong, China, in November 2009. The eleven revised complete papers awarded including eight invited papers have been rigorously reviewed and chosen. The papers current unique and primary examine advances within the sector of entry networks, akin to hybrid dynamic bandwidth and wavelength allocation set of rules, diverse purposes in EPON, unsolicited supply providers (UGS), cellular WiMAX community, FiWi networks, built-in PON-WiMAX networks, cognitive radio networks, effective and dynamic spectrum sharing, cross-layer routing approach for SCTP, and vectored DSL.
Read or Download Access Networks: 4th International Conference, AccessNets 2009, Hong Kong, China, November 1-3, 2009, Revised Selected Papers (Lecture Notes of the Institute ... and Telecommunications Engineering, 37) PDF
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Extra resources for Access Networks: 4th International Conference, AccessNets 2009, Hong Kong, China, November 1-3, 2009, Revised Selected Papers (Lecture Notes of the Institute ... and Telecommunications Engineering, 37)
ErtPS is a modification of UGS for voice with silence suppression. rtPS is designed for variable bit rate voice, video, and gaming applications that have delay constraints. nrtPS is for streaming video and data applications that need throughput guarantees but do not have delay constraints (the packets can be buffered). BE is designed for data applications that do not need any throughput or delay guarantees. * This work was sponsored in part by a grant from Application Working Group of WiMAX Forum.
38 C. -T. Lea, and A. -S. Wong References 1. : MACAW: A medium access protocol for wireless LANs. In: SIGCOMM 1994 (1994) 2. 11 RTS/CTS handshake in ad hoc networks? In: Proc. IEEE GlobeCom (2002) 3. 11 MAC protocol work well in multihop wireless ad hoc networks? IEEE Commun. , 130–137 (June 2001) 4. : MACA-BI (MACA By Invitation): A Receiver Oriented Access Protocol for Wireless Multiple Networks. In: PIMRC 1997 (1997) 5. : A hybrid collision avoidance scheme for ad hoc networks. In: ACM Wireless Networks (2004) 6.
So, in this paper, the backlogged traffic is dropped with higher priority over the newly arrived traffic for higher utility. 2 Estimating QoS Metric of Queues OLT needs some information of queues at ONUs in order to estimate the QoS metric and calculate their utilities. Such information includes the amount of successfully transmitted traffic, the time stamp when the traffic is arrived, and the time stamp when the traffic is transmitted. However, OLT does not contain information with granularity as fine as the packet level.