Restrictive Framework 1 1 Z1=m11x)X1+m21(x)X2+m31(x)X3 Interference must be canceled out 5 R Koetter and M. M'edard, "An algebraic approach to network coding"5 Restrictive Framework 𝑋1 𝑋2 𝑋3 𝑍2 𝑍1 𝑍3 R. Koetter and M. M′edard, “An algebraic approach to network coding” Interference must be canceled out