The Approximate Sum Capacity of the Symmetric Gaussian K-User Interference Channel

被引：0
|
作者：
Ordentlich, Or [1 ]
Erez, Uri [1 ]
Nazer, Bobak [2 ]
机构：
[1] Tel Aviv Univ, Tel Aviv, Israel
[2] Boston Univ, Dept Elect Comp & Syst Engn, Boston, MA 02215 USA
来源：
2012 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY PROCEEDINGS (ISIT) | 2012年
基金：
美国国家科学基金会; 以色列科学基金会;
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We derive a new achievable sum rate for the symmetric Gaussian K-user interference channel. This sum rate is shown to be within a constant gap of the outer bound on the sum capacity of this channel for all values of interference level outside some outage set. The result is established through the use of lattice interference alignment. A new lattice-based extension to the Han-Kobayshi scheme is also introduced.
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页数：5
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