| GPON系统中动态带宽分配机制下的算法研究 |
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| 引用本文： | 马婷.GPON系统中动态带宽分配机制下的算法研究[J].连云港教育学院学报,2014(4):104-108. |
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| 作者姓名： | 马婷 |
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| 作者单位： | 江苏联合职业技术学院连云港财经分院信息系,江苏连云港222061 |
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| 摘 要： | GPON作为新一代的宽带无源光接入技术，具有共享网络的点到多点的运行结构。在数据传输过程中，改进的DBA算法在每个轮询周期开始前根据T—CONT1到T—CONT4业务的传输实时要求，完成本轮询周期内的带宽分配，同时将服务质量要求相同的业务放在OUN的一个T—CONT列队中，然后在上行帧中发送队列信息给OLT，以便OLT在下一个轮询周期开始之前完成额外带宽的分配，旨在提高带宽的利用率，更好地适应不同等级用户的带宽分配需求。
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| 关 键 词： | GPON系统 动态带宽分配 T—CONTs业务类型 |
Research of Dynamic Bandwidth Allocation Scheme of GPON |
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| Authors: | MA Ting |
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| Institution: | MA Ting (the Department of Information, Lianyungang Vocational Technology Academy of Finance ＆ Economics, Jiangsu Union Technical Institute, Lianyungang 222061, China) |
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| Abstract: | As the new generation passive optical access technology, GPON has an operation structure of shared point - to - muhipoint network. When the data is transmitted, it uses the improved DBA algorithm. According to the requirements of the T- CONT1 to T- CONT4 business transmission in real time, it can finish this polling cycle distribution of broadband before the start of the each polling cyele. This algorithm put the businesses with the same service quality into one T - CONT of OUN. And then, send the queue information to OLT in the uplink transmission frame. In this way, OLT can finish the allocation of additional bandwidth before the start of the next polling cyele. It＇ s intended to improve the utilization rate of broadband to better suit the broadband distribution requirements of users of different levels. |
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| Keywords: | GPON system dynamic bandwidth allocation type of T-CONTs business |
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