Low-complexity switching network design for hybrid precoding in mmWave MIMO systems

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dc.contributor	Universitat Politècnica de Catalunya. Doctorat en Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions
dc.contributor.author	Molina Oliveras, Francesc
dc.contributor.author	Borràs Pino, Jordi
dc.date	2019
dc.identifier.citation	F. Molina; Borras, J. Low-complexity switching network design for hybrid precoding in mmWave MIMO systems. A: European Signal Processing Conference. "27th EUSIPCO 2019 European Signal Processing Conference: A Coruña, Spain: September 2-6, 2019". Institute of Electrical and Electronics Engineers (IEEE), 2019, p. 1-5.
dc.identifier.citation	978-1-5386-7300-3
dc.identifier.citation	10.23919/EUSIPCO.2019.8902692
dc.identifier.uri	http://hdl.handle.net/2117/173929
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation	https://ieeexplore.ieee.org/Xplore/home.jsp
dc.relation	info:eu-repo/grantAgreement/ES/1PE/TEC2016-76409-C2-1-R
dc.relation	info:eu-repo/grantAgreement/AGAUR/PRI2017-2019/2017 SGR 578
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
dc.subject	Signal processing
dc.subject	Hybrid MIMO
dc.subject	Switching network with analog combiner
dc.subject	Precoder design
dc.subject	mmWave MIMO
dc.subject	Tractament del senyal
dc.title	Low-complexity switching network design for hybrid precoding in mmWave MIMO systems
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	This paper deals with the design of a hybrid precoder for millimeter-wave MIMO systems. For the sake of concreteness, we consider an analog processing stage composed of a switching network with analog combining. The main contribution of this work consists on the proposal and evaluation of an optimization procedure based on a smart relaxation. The optimal hybrid precoder under a transmit power constraint is derived, after which, the analog precoding matrix is binarized. After an intuitive reasoning, we note that multiple solutions exist. Nevertheless, the (very) reduced computational complexity of the proposed optimization scheme makes it feasible for realistic implementations. Numerical results are reported to assess the performance of proposed hybrid precoder design.
dc.description.abstract	Peer Reviewed

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