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An Adaptive Sequential Competition Test for Beam Selection in Massive MIMO Systems

Citation Author(s):
Mostafa Khalili Marandi, Wolfgang Rave, Gerhard Fettweis
Submitted by:
Mostafa Khalili...
Last updated:
8 July 2018 - 5:07pm
Document Type:
Presentation Slides
Document Year:
2018
Event:
Presenters:
Mostafa Khalili Marandi
Paper Code:
1570440647
 

To solve the problem of beam selection or capturing the highest possible signal power, we propose a sequential test that can adapt to the SNR operating point and speed up the selection procedure in terms of the number of required observations in comparison to a perfectly tuned fixed length test assuming genie knowledge. The speed up gets higher for lower SNR and becomes of particular interest in massive Multiple Input Multiple Output (MIMO) systems using beamforming, where the number of candidate beams is large and exhaustive search can cause intolerable delay due to limited channel coherence time

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