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Multiuser downlink hybrid analog-digital beamforming with individual SINR constraints
dc.contributor.author | Vazquez, Miguel Angel |
dc.contributor.author | Blanco, Luis |
dc.contributor.author | Pérez Neira, Ana Isabel |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2018-01-12T14:37:46Z |
dc.date.issued | 2011 |
dc.identifier.citation | Vazquez, M., Blanco, L., Perez, A. Multiuser downlink hybrid analog-digital beamforming with individual SINR constraints. A: International ITG Workshop on Smart Antennas. "WSA 2017: 21th International ITG Workshop on Smart Antennas: March 15-17, 2017; Berlin, Germany". Berlin: VDE-Verlag, 2011, p. 84-89. |
dc.identifier.isbn | 978-3-8007-4394-0 |
dc.identifier.uri | http://hdl.handle.net/2117/112733 |
dc.description.abstract | This paper deals with the problem of multiuser transmit hybrid analog-digital beamforming. Precisely, we tackle the problem of transmit power minimization under minimum signal-to-noise-plus-interference ratio (SINR) constraints. While the all-digital beamforming solution has been extensively studied in the recent years, little is known about the hybrid analog-digital optimization. This latter design is known to be a non-convex NP-hard problem as the analog part entails the optimization of a quadratically constraint quadratic program with several equality constraints. In order to solve this problem, we propose an alternating optimization with a successive convex approximation procedure. The conceived scheme is able to consider an arbitrary sub-array connectivity matrix (i.e. localized, interleaved, fully-connected,...). Through numerical simulations it is observed that the proposed framework yields to an efficient solution in few iterations providing a substantial gain compared to current heuristic approaches. |
dc.format.extent | 6 p. |
dc.language.iso | eng |
dc.publisher | VDE-Verlag |
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::Telemàtica i xarxes d'ordinadors |
dc.subject.lcsh | Microwave antennas |
dc.subject.lcsh | Wireless communication systems |
dc.title | Multiuser downlink hybrid analog-digital beamforming with individual SINR constraints |
dc.type | Conference report |
dc.subject.lemac | Antenes de microones |
dc.subject.lemac | Comunicació sense fil, Sistemes de |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://ieeexplore.ieee.org/document/7955950/ |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 21691171 |
dc.description.version | Postprint (published version) |
dc.relation.projectid | info:eu-repo/grantAgreement/EC/H2020/645047/EU/Shared Access Terrestrial-Satellite Backhaul Network enabled by Smart Antennas/SANSA |
dc.date.lift | 10000-01-01 |
local.citation.author | Vazquez, M.; Blanco, L.; Perez, A. |
local.citation.contributor | International ITG Workshop on Smart Antennas |
local.citation.pubplace | Berlin |
local.citation.publicationName | WSA 2017: 21th International ITG Workshop on Smart Antennas: March 15-17, 2017; Berlin, Germany |
local.citation.startingPage | 84 |
local.citation.endingPage | 89 |