| 一种固定帧长的EPON MAC算法 |
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| 引用本文： | 王利村,邱昆,王东,王秀妮,陈凯.一种固定帧长的EPON MAC算法[J].电子科技大学学报(社会科学版),2004(6). |
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| 作者姓名： | 王利村 邱昆 王东 王秀妮 陈凯 |
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| 作者单位： | 电子科技大学宽带光纤传输与通信网技术教育部重点实验室 成都610054
(王利村，邱昆，王东，王秀妮)，电子科技大学宽带光纤传输与通信网技术教育部重点实验室 成都610054(陈凯) |
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| 基金项目： | 教育部优秀青年教师教学科研奖励计划基金资助项目 |
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| 摘 要： | 提出了一种固定大小帧结构的EPON MAC协议,采用固定的帧长,提高了以太网交换机速率。将一帧周期分成三段,光网络单元不仅报告队列长度信息,而且报告帧到达分布信息,降低了高优先级业务时延抖动,授权采取高优先级优先授权的原则,降低了高优先级业务的接入时延,满足了对时延和时延抖动敏感语音业务的要求。
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| 关 键 词： | 动态带宽分配 时延 时延抖动 媒质接入控制 |
Design of MAC of Fixed Frame Size of EPON |
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| Wang Licun,Qiu Kun,Wang Dong,Wang Xiuni,Chen Kai.Design of MAC of Fixed Frame Size of EPON[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),2004(6). |
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| Authors: | Wang Licun Qiu Kun Wang Dong Wang Xiuni Chen Kai |
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| Abstract: | The paper puts forward a EPON MAC of fixed size frame structure.The frame structure of fixed size can improve the the process velocity of exchanger.Frame cycle is divided into three segments,ONU not only reports the queue size,but also reports the distribution of frame arrival,Which will decrease the delay jitter of high priority traffic.We adopt the principle of first grant of high priority traffic,this can decrease the access delay of high priority traffic. All can satisfy the requests of real-time voice traffic which is sensitive to the delay and delay jitter. |
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| Keywords: | dynamic bandwidth allocation delay delay jitter medium access control |
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