A message passing framework splits short-range mmWave channels into subchannels and exploits intra- and inter-subchannel structure via array geometry to achieve better beam alignment with fewer measurements than standard compressed sensing.
Optimal frequency-flat precoding for frequency-selective millimeter wave channels,
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Message passing-based link configuration in short range millimeter wave systems
A message passing framework splits short-range mmWave channels into subchannels and exploits intra- and inter-subchannel structure via array geometry to achieve better beam alignment with fewer measurements than standard compressed sensing.