Achievable Rate Regions for Network Coding

被引:6
|
作者
Dougherty, Randall [1 ]
Freiling, Chris [2 ]
Zeger, Kenneth [3 ]
机构
[1] Ctr Commun Res, San Diego, CA 92121 USA
[2] Calif State Univ San Bernardino, Dept Math, San Bernardino, CA 92407 USA
[3] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
基金
美国国家科学基金会;
关键词
Shannon capacity; routing; entropy; information theory;
D O I
10.1109/TIT.2015.2403315
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Determining the achievable rate region for networks using routing, linear coding, or nonlinear coding is thought to be a difficult task in general, and few are known. We describe the achievable rate regions for four interesting networks (completely for three and partially for the fourth). In addition to the known matrix-computation method for proving outer bounds for linear coding, we present a new method that yields actual characteristic-dependent linear rank inequalities from which the desired bounds follow immediately.
引用
收藏
页码:2488 / 2509
页数:22
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