| Using CSMA／CD for Ethernet Passive Optical Network （EPON） |
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| 引用本文： | 季晓飞,范戈.Using CSMA／CD for Ethernet Passive Optical Network （EPON）[J].上海交通大学学报(英文版),2004,9(2):25-28. |
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| 作者姓名： | 季晓飞 范戈 |
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| 摘 要： | IntroductionPassive optical network( PON) ,typically con-sisting of an opticalline terminal( OLT) atnetworkside,a common feeder fiber,a1×N star coupler( SC) ,N distribution fiber and N optical networkunits( ONU) at user side,is the most attractivecandida…
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| 关 键 词： | 被动光学网络 以太网 光路网络 CSMA／CD技术 通信协议 |
Using CSMA/CD for Ethernet Passive Optical Network (EPON) |
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| JI Xiao-fei,FAN Ge.Using CSMA/CD for Ethernet Passive Optical Network (EPON)[J].Journal of Shanghai Jiaotong university,2004,9(2):25-28. |
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| Authors: | JI Xiao-fei FAN Ge |
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| Institution: | National Lab. on Local Fiber-Optic Communication Networks &. Advanced Optica;Communication System,Shanghai Jiaotong Univ.,Shanghai 200030,China |
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| Abstract: | Using CSMA/CD for EPON can eliminate the augmentations, such as multi-point control protocol and point-to-point emulation, added to the existing 802.3 architecture due to the incompatibility of PON to Ethernet. Both full-duplex EPON system and half-duplex EPON system using CSMA/CD were proposed. In the full-duplex EPON, CSMA/CD is used as the upstream MAC protocol. In the half-duplex EPON system, both upstream and downstream traffic contend for the optical channel through CSMA/CD protocol. The upstream lightwave redirection and collision detection techniques were given. By the analysis and simulation, the throughput performance of the half-duplex EPON system is proven to be as well as that of the existing high speed half-duplex Ethernet LAN. |
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| Keywords: | Ethernet passive optical network carrier sense multiple access optical access network |
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