DocumentCode :
3714861
Title :
Interference-nulling time-reversal beamforming for mm-Wave massive MIMO systems
Author :
Carlos A. Viteri-Mera;Fernando L. Teixeira;Kamalesh Sainath
Author_Institution :
ElectroScience Laboratory, The Ohio State University, Columbus, 43212, USA
fYear :
2015
Firstpage :
1
Lastpage :
5
Abstract :
We present a novel beamforming technique for multi-user frequency-selective indoor channels called interference-nulling time-reversal (INTR). The beamformer is implemented with a pre-filter designed to minimize the inter-user interference present in conventional time-reversal (TR). Moreover, our technique relies on a large number of antennas at the transmitter to mitigate inter-symbol interference, enabling low computational complexity receivers. We demonstrate that INTR outperforms previous TR techniques with respect to average bit error rate per user and achievable sum rate. Thus, INTR can be used for space division multiple access in no-line-of-sight mm-wave massive MIMO, providing remarkable diversity and multiplexing gains.
Keywords :
"Transmitting antennas","Array signal processing"
Publisher :
ieee
Conference_Titel :
Microwaves, Communications, Antennas and Electronic Systems (COMCAS), 2015 IEEE International Conference on
Type :
conf
DOI :
10.1109/COMCAS.2015.7360469
Filename :
7360469
Link To Document :
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