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Transmit antenna selection for partial linear precoding MIMO schemes

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2 Author(s)
Masouros, C. ; Dept. of Electr. & Electron. Eng., Univ. of Manchester, Manchester ; Alsusa, E.

A novel transmit antenna selection technique is proposed, specifically designed to maximise the benefit of partial precoding on narrowband downlink multiuser multiple input multiple output (MU-MIMO) systems employing antenna redundancy. The partial precoding utilises the constructive part of the existing interference between the MIMO sub-channels by applying partial sub-channel orthogonalisation and thus improves the signal-to-noise ratio at the receiver. In addition, a customised antenna selection criterion is employed at the transmitter, that maximises the constructive interference among the active antennas and optimises the benefits of partial precoding.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 14 )