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Interference Suppression at the base Station Downlink Beamforming using Invariant Transmit Dimensions in MU- MIMO

Trung Hoai Tran
A future model in physical mobile layer consists of a Base Station and some Mobile Stations equipped MIMO antennas (MU-MIMO). However, what is information needed to be fed back to the Base Station that uses to form beam patterns and how to not affect on the other mobiles is very important. The paper concentrates on the spatial information (subspaces) of the MIMO channel because it is almost constant (invariant) in fast fading transmission environment. This spatial information helps the Base Station to discover what are the useful radiating directions that track of the considered mobile and prevent radiating to interfere with the other unwanted mobiles. The simulation can prove this spatial feedback can make SNR higher compared to the case of use of beam patterns without the proposed transmit directions combatting the interference.
Select Volume / Issues:
Year:
2019
Type of Publication:
Article
Keywords:
Multiuser MIMO; Beamforming; Interference; Multipath
Journal:
IJECCE
Volume:
10
Number:
2
Pages:
46-52
Month:
March
ISSN:
2249-071X
Hits: 90

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