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Robust and constrained downlink beamforming
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-3599-5584
2000 (English)In: European Signal Processing Conference, 2000, no MarchConference paper (Refereed)
Abstract [en]

When antenna arrays are introduced in a cellular system, one critical aspect is the design of beamformers for downlink transmission. We extend a recently proposed strategy for optimal downlink beamforming to give increased robustness to channel uncertainties and to incorporate constraints on the dynamic range. The solution can be efficiently calculated using semidefinite optimization. In a few cases, the optimal solution is given by a time-varying beamformer. We explore the performance of these modified algorithms.

Place, publisher, year, edition, pages
2000. no March
Keyword [en]
Antenna arrays, Beam forming networks, Beamforming, Cellular arrays, Mobile security, Cellular system, Channel uncertainties, Downlink beam-forming, Downlink transmissions, Modified algorithms, Optimal downlink, Optimal solutions, Semidefinite optimization, Signal processing
National Category
Signal Processing
URN: urn:nbn:se:kth:diva-175067ScopusID: 2-s2.0-84937060773OAI: diva2:881425
2000 10th European Signal Processing Conference, EUSIPCO 2000, 4 September 2000 through 8 September 2000

QC 20151210

Available from: 2015-12-10 Created: 2015-10-09 Last updated: 2016-09-20Bibliographically approved

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