Robust and constrained downlink beamforming

  title={Robust and constrained downlink beamforming},
  author={Mats Bengtsson},
  journal={2000 10th European Signal Processing Conference},
  • Mats Bengtsson
  • Published 2000 in 2000 10th European Signal Processing Conference
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… CONTINUE READING
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Antenna Array Signal Processing for High Rank Data Models

M. Bengtsson
PhD thesis, Royal Institute of Technology, • 1999
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Mobile Cellular Communications with Base Station Antenna Arrays: Spectrum Efficiency, Algorithms and Propagation Models

P. Zetterberg
PhD thesis, Royal Institute of Technology, • 1997
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