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dc.contributor.authorTorrellas, Marc
dc.contributor.authorAgustín de Dios, Adrián
dc.contributor.authorVidal, Josep
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.date.accessioned2017-02-21T10:33:12Z
dc.date.issued2015
dc.identifier.citationTorrellas, M., Agustin, A., Vidal, J. Retrospective interference alignment for the MIMO interference broadcast channel. A: IEEE International Symposium on Information Theory. "2015 IEEE International Symposium on Information Theory (ISIT 2015): Hong Kong: 14-19 June 2015". Hong Kong: Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 1492-1496.
dc.identifier.isbn978-1-4673-7705-8
dc.identifier.urihttp://hdl.handle.net/2117/101285
dc.description.abstractRetrospective Interference Alignment is a linear precoding strategy that seizes delayed channel state information at the transmitters (CSIT), improving the degrees of freedom (DoF) that can be achieved without CSIT for both the broadcast and interference channels. However, little is known for other channel configurations. This work studies the multiple-input multiple-output interference broadcast channel (IBC) with delayed CSIT, 2 cells and 2 users per cell. Although some of the schemes designed for other channels may be applied, they do not exploit the specific topology of the IBC. In this regard, we proposes a precoding strategy that includes the concept of redundancy transmission, and takes into account that users of each cell are served by a common transmitter. Assuming that transmitters and receivers are equipped with M, N antennas, respectively, state-of-the-art achievable DoF are improved for ¿= M over N > #A, with ¿#˜ 3.5414.
dc.format.extent5 p.
dc.language.isoeng
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.subjectÀrees temàtiques de la UPC::Informàtica::Sistemes d'informació
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació
dc.subject.lcshMIMO systems
dc.subject.lcshInformation theory
dc.subject.otherBroadcasting
dc.subject.otherCodes (symbols)
dc.subject.otherCommunication channels (information theory)
dc.subject.otherDegrees of freedom (mechanics)
dc.subject.otherInformation theory
dc.subject.otherMechanics
dc.subject.otherMIMO systems
dc.subject.otherTransmitters
dc.subject.otherBroadcast channels
dc.subject.otherChannel configuration
dc.subject.otherChannel state information at the transmitters
dc.subject.otherDelayed CSIT
dc.subject.otherInterference alignment
dc.subject.otherInterference channels
dc.subject.otherLinear pre-coding
dc.subject.otherState of the art
dc.titleRetrospective interference alignment for the MIMO interference broadcast channel
dc.typeConference report
dc.subject.lemacSistemes MIMO
dc.subject.lemacInformació, Teoria de la
dc.contributor.groupUniversitat Politècnica de Catalunya. SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions
dc.identifier.doi10.1109/ISIT.2015.7282704
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7282704
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac18769124
dc.description.versionPostprint (published version)
dc.date.lift10000-01-01
local.citation.authorTorrellas, M.; Agustin, A.; Vidal, J.
local.citation.contributorIEEE International Symposium on Information Theory
local.citation.pubplaceHong Kong
local.citation.publicationName2015 IEEE International Symposium on Information Theory (ISIT 2015): Hong Kong: 14-19 June 2015
local.citation.startingPage1492
local.citation.endingPage1496


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