GDoF of Interference Channel with Limited Cooperation under Finite Precision CSIT

被引:0
|
作者
Wang, Junge [1 ]
Jafar, Syed A. [1 ]
Yuan, Bofeng [2 ]
Huang, Lexiang [3 ]
机构
[1] Univ Calif Irvine, Ctr Pervas Commun & Comp CPCC, Irvine, CA 92697 USA
[2] Samsung Semicond, San Diego, CA 92121 USA
[3] Penn State Univ, University Pk, PA 16802 USA
关键词
FREEDOM;
D O I
10.1109/globecom38437.2019.9013882
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 Generalized Degrees of Freedom (GDoF) of the two user interference channel are characterized for all parameter regimes under the assumption of finite precision channel state information at the transmitters (CSIT), when a limited amount of cooperation is allowed between the transmitters in the form of pi DoF of shared messages. In all cases, the number of over-the-air bits that each cooperation bit buys is shown to be equal to either 0, 1, 1/2 or 1/3.
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页数:6
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