| 一种基于网络编码的Ad Hoc网络多路径源选路由算法 |
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| 引用本文： | 刘永广,张剑,陈瑞昭,姚若河. 一种基于网络编码的Ad Hoc网络多路径源选路由算法[J]. 华南师范大学学报(自然科学版), 2010, 1(3): 42 |
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| 作者姓名： | 刘永广 张剑 陈瑞昭 姚若河 |
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| 作者单位： | 中国电子科技集团第七研究所,广东广州,510310;华南理工大学电子与信息学院,广东广州,510641;广东轻工职业技术学院,广东广州,510300;中国电子科技集团第七研究所,广东广州,510310;广东轻工职业技术学院,广东广州,510300;华南理工大学电子与信息学院,广东广州,510641 |
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| 摘 要： | 根据Ad Hoc网络的特性,提出了一个基于网络编码的多路径源选路由算法.算法借鉴了COPE的思想,实现上通过在中间节点缓存短路径,对具有编码机会的中间节点进行标注,从而获得具有最大编码机会的多条路径.由于网络编码可以减少数据传输的次数,因此可以有效地提高信道的利用率.NS2环境下的仿真表明,新算法能够有效地平衡网络负载,提高网络的吞吐量.
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| 关 键 词： | 网络编码 多路径 路由 |
| 收稿时间： | 2010-01-22 |
A MULTI-PATH SOURCE ROUTING ALGORITHM FOR Ad Hoc NETWORKS BASED ON NETWORK CODING |
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| LIU Yongguang,ZHANG Jian,CHEN Ruizhao,YAO Ruohe. A MULTI-PATH SOURCE ROUTING ALGORITHM FOR Ad Hoc NETWORKS BASED ON NETWORK CODING[J]. Journal of South China Normal University(Natural Science Edition), 2010, 1(3): 42 |
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| Authors: | LIU Yongguang ZHANG Jian CHEN Ruizhao YAO Ruohe |
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| Abstract: | According to the characters of Ad hoc networks, a multipath source routing algorithm based on network coding is presented. The algorithm refers the idea of COPE. In realization, the multiple paths that have maximum coding opportunity are found by caching short paths in medium nodes and labeling the medium nodes that have coding opportunity. Because network coding reduces data's transmission times, the algorithm can improve channel utilization effectively. Simulations under NS2 environment prove that the new algorithm has better performance in balancing the network load and improving network throughput. |
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