Tighter Bounds on the Capacity of Finite-State Channels Via Markov Set-Chains

被引:4
|
作者
Chen, Jun [1 ]
Permuter, Haim [2 ]
Weissman, Tsachy [2 ]
机构
[1] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4K1, Canada
[2] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA
基金
美国国家科学基金会;
关键词
Channel capacity; finite-state channel; Markov set-chains; multiple access channels; INFORMATION; ERGODICITY;
D O I
10.1109/TIT.2010.2050825
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The theory of Markov set-chains is applied to derive upper and lower bounds on the capacity of finite-state channels that are tighter than the classic bounds by Gallager. The new bounds coincide and yield single-letter capacity characterizations for a class of channels with the state process known at the receiver, including channels whose long-term marginal state distribution is independent of the input process. Analogous results are established for finite-state multiple access channels.
引用
收藏
页码:3660 / 3691
页数:32
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