• Degrees of freedom of the rank-deficient MIMO X channel 

      Agustín de Dios, Adrián; Vidal Manzano, José (2013)
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      Accés restringit per política de l'editorial
      The multiple-input multiple-output (MIMO) X channel with rank-deficient channels is considered. We characterize the total degrees of freedom (DoF) by defining an outer bound which is attained by the proposed precoding ...