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Robust linear precoding for MSE minimization in MIMO broadcast systems with channel Gram matrix feedback
dc.contributor.author | Sacristán Murga, Daniel |
dc.contributor.author | Payaró Llisterri, Miquel |
dc.contributor.author | Pascual Iserte, Antonio |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2011-10-24T09:20:20Z |
dc.date.available | 2011-10-24T09:20:20Z |
dc.date.created | 2011 |
dc.date.issued | 2011 |
dc.identifier.citation | Sacristán Murga, D.; Payaró, M.; Pascual Iserte, A. Robust linear precoding for MSE minimization in MIMO broadcast systems with channel Gram matrix feedback. A: IEEE International Workshop on Signal Processing Advances in Wireless Communications. "IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications". San Francisco: IEEE, 2011, p. 331-335. |
dc.identifier.isbn | 978-1-4244-9331-9 |
dc.identifier.uri | http://hdl.handle.net/2117/13640 |
dc.description.abstract | In this paper we deal with amultiple-input multiple-output (MIMO) multiuser broadcast channel (BC) featuring linear precoding at the transmitter. The design of such precoder is performed according to the channel state information (CSI) sent by the different users through parallel feedback links. A general feedback framework based on the quantization of each user’s channel Gram matrix is presented. Once the channel Gram matrices are available at the transmitter, they can be used to compute equivalent triangular MIMO channels for which the optimum precoder is calculated. As an application of this framework, a robust precoder design that takes into account errors in the CSI that are originated, for example, from the finite-bit quantization process applied in the feedback, is also presented. Finally the benefits of the proposed robust strategy are evaluated by means of numerical simulations. |
dc.format.extent | 5 p. |
dc.language.iso | eng |
dc.publisher | IEEE |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal |
dc.subject.lcsh | Signal theory (Telecommunication) |
dc.subject.lcsh | MIMO systems |
dc.subject.other | MIMO systems |
dc.subject.other | Broadcast channels |
dc.subject.other | Matrix decomposition |
dc.subject.other | Robust designs |
dc.subject.other | Feedback communication |
dc.title | Robust linear precoding for MSE minimization in MIMO broadcast systems with channel Gram matrix feedback |
dc.type | Conference lecture |
dc.subject.lemac | Senyal, Teoria del (Telecomunicació) |
dc.contributor.group | Universitat Politècnica de Catalunya. A&MP - Grup de Processament d'Arrays i Sistemes Multicanal |
dc.identifier.doi | 10.1109/SPAWC.2011.5990426 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 5890937 |
dc.description.version | Postprint (published version) |
local.citation.author | Sacristán Murga, D.; Payaró, M.; Pascual Iserte, A. |
local.citation.contributor | IEEE International Workshop on Signal Processing Advances in Wireless Communications |
local.citation.pubplace | San Francisco |
local.citation.publicationName | IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications |
local.citation.startingPage | 331 |
local.citation.endingPage | 335 |