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Aligned Interference Neutralization and the Degrees of Freedom of the 2\,\times \,2\,\times \,2 Interference Channel.
- Source :
-
IEEE Transactions on Information Theory . Jul2012, Vol. 58 Issue 7, p4381-4395. 15p. - Publication Year :
- 2012
-
Abstract
- We show that the 2\,\times \,2\,\times \,2 interference network, i.e., the multihop interference network formed by concatenation of two two-user interference channels achieves the min-cut outer bound value of 2 DoF, for almost all values of channel coefficients, for both time-varying or fixed-channel coefficients. The key to this result is a new idea, called aligned interference neutralization, that provides a way to align interference terms over each hop in a manner that allows them to be canceled over the air at the last hop. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 00189448
- Volume :
- 58
- Issue :
- 7
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Information Theory
- Publication Type :
- Academic Journal
- Accession number :
- 76747130
- Full Text :
- https://doi.org/10.1109/TIT.2012.2191388