Feasibility Conditions for Interference Alignment

@article{Yetis2009FeasibilityCF,
  title={Feasibility Conditions for Interference Alignment},
  author={Cenk M. Yetis and Tiangao Gou and Syed Ali Jafar and Ahmet H. Kayran},
  journal={GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference},
  year={2009},
  pages={1-6}
}
The degrees of freedom (DoF) of K-user MIMO interference networks with constant channel coefficients are not known in general. Determining the feasibility of a linear interference alignment is a key step toward solving this open problem. Our approach in this paper is to view the alignment problem for interference networks as a multivariate polynomial system and determine its solvability by comparing the number of equations and the number of variables. Consequently, we divide the interference… CONTINUE READING

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Determining the feasibility of interference alignment for K-user MIMO interference networks

C. M. Yetis, T. Gou, S. A. Jafar, A. H. Kayran
  • preparation. This full text paper was peer reviewed at the direction of IEEE Communications Society subject matter experts for publication in the IEEE "GLOBECOM" 2009 proceedings. 978-1-4244-4148-8/09/$25.00 ©2009
  • 2009

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