1. 渤海大学工学院,辽宁,锦州,121013
2. 北京理工大学信息与电子学院,北京,100081
3. 渤海大学工学院,辽宁,锦州,121013
4. 北京理工大学信息与电子学院,北京,100081
网络出版:2018-08-25,
纸质出版:2018
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刘宴涛, 刘珩. 均匀分数路由网络容量域分析[J]. 电子学报, 2018,46(8):1876-1883.
LIU Yan-tao, LIU Heng. Rate Region Analysis for Uniform Fractional Routing Networks[J]. Acta Electronica Sinica, 2018, 46(8): 1876-1883.
刘宴涛, 刘珩. 均匀分数路由网络容量域分析[J]. 电子学报, 2018,46(8):1876-1883. DOI: 10.3969/j.issn.0372-2112.2018.08.011.
LIU Yan-tao, LIU Heng. Rate Region Analysis for Uniform Fractional Routing Networks[J]. Acta Electronica Sinica, 2018, 46(8): 1876-1883. DOI: 10.3969/j.issn.0372-2112.2018.08.011.
均匀分数路由网络是指网络边传输的数据包具有相同的维数,且该维数与信源消息的维数可以不同.已知分数路由网络的容量域是多维欧式空间中的多胞体,但对各种业务模式网络的容量域的计算尚缺乏有效的可操作方法.本文研究了三种业务模式的容量域计算方法:针对多重单播,提出了基于缩减图、合并缩减图和虚拟节点的方法;针对一重组播,提出了基于子树分解和组合设计的方法;针对二重混合网络,提出了基于凸多边形极点的方法.除了理论证明之外,还举了大量样例演示这些方法的正确性.
If packets are with identical dimensions
which may be different from the dimensions of source messages
the network is called uniform fractional routing network.The rate region of a fractional routing network is a polytope in a multidimensional Euclidean space
but effective implementable methods are still missing to calculate the region for networks with different traffic patterns.This paper studied rate region analysis methods for three traffic patterns:For multiple unicasts
a method based on reduced graph
union reduced graph
and virtual node was proposed;For a single multicast
it was based on subtree decomposition and combinatorial design;For a pattern mixed of two flows
the polygon region was drawn by determining all extreme points.Correctness of these methods was proved in theory and illustrated by examples.
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