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Degrees of freedom of the rank-deficient MIMO X channel

Agustin, A.; Vidal, J.
Tipus d'activitat
Presentació treball a congrés
Nom de l'edició
IEEE Information Theory Workshop
Any de l'edició
Data de presentació
Llibre d'actes
Proceedings of the ITW 2013
Projecte finançador
Distributed computing, storage and radio resource allocation over cooperative femtocells
Repositori Obrir en finestra nova
URL Obrir en finestra nova
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 scheme. The total DoF are described in closed-form when all transmitters and receivers have M and N antennas, respectively. For an arbitrary number of antennas, the total DoF are obtained as solution of a linear programming problem. Results elucidate that, unlike point-to-point MIM...
Agustin, A.; Vidal, J. Degrees of freedom of the rank-deficient MIMO X channel. A: IEEE Information Theory Workshop. "Proceedings of the ITW 2013". Sevilla: 2013.
Paraules clau
Degrees of Freedom, MIMO, X-channel
Grup de recerca
SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions