Mostra el registre d'ítem simple
Degrees of freedom of the rank-deficient MIMO X channel
dc.contributor.author | Agustín de Dios, Adrián |
dc.contributor.author | Vidal Manzano, José |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2014-02-20T16:52:06Z |
dc.date.created | 2013 |
dc.date.issued | 2013 |
dc.identifier.citation | 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. |
dc.identifier.uri | http://hdl.handle.net/2117/21679 |
dc.description.abstract | 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 MIMO systems where DoF increase with the rank of the channel, the total DoF in a ultipoint-to-multipoint MIMO system can increase up to a certain point if channels are ankdeficient. Hence, we corroborate the relevance of knowing the rank-deficiency in the MIMO X channel, a property already observed in the MIMO Interference channel. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Antenes i agrupacions d'antenes |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica |
dc.subject.lcsh | MIMO systems |
dc.subject.lcsh | Antennas (Electronics) |
dc.subject.other | MIMO |
dc.subject.other | X-channel |
dc.subject.other | Degrees of Freedom |
dc.title | Degrees of freedom of the rank-deficient MIMO X channel |
dc.type | Conference report |
dc.subject.lemac | Sistemes MIMO |
dc.subject.lemac | Antenes (Electrònica) |
dc.contributor.group | Universitat Politècnica de Catalunya. SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://itw2013.tsc.uc3m.es/program#S1569475527 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 12888263 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Agustin, A.; Vidal, J. |
local.citation.contributor | IEEE Information Theory Workshop |
local.citation.pubplace | Sevilla |
local.citation.publicationName | Proceedings of the ITW 2013 |