Analogue orthogonal precoding using reduced-complexity transceivers

@article{Tsakalaki2011AnalogueOP,
  title={Analogue orthogonal precoding using reduced-complexity transceivers},
  author={Elpiniki P. Tsakalaki and Osama N. Alrabadi and Constantinos B. Papadias},
  journal={2011 IEEE International Symposium on Antennas and Propagation (APSURSI)},
  year={2011},
  pages={2845-2848}
}
Orthogonal transmission toward N undesired receivers via conventional digital beamforming techniques requires at minimum (N + 1) active transmit antennas. As the radio frequency (RF) complexity increases linearly with the number of active antennas, orthogonal transmit precoding becomes impractical for simple user terminals. The paper proposes an alternative solution utilizing a single-radio reactance-assisted antenna system, featuring low-power consumption, low cost and ease of fabrication. The… CONTINUE READING
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