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Transmit antenna selection for partial linear precoding MIMO schemes

Transmit antenna selection for partial linear precoding MIMO schemes

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© The Institution of Engineering and Technology
Published

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.

Inspec keywords: antennas; radio transmitters; wireless channels; radio links; MIMO communication; precoding; interference (signal)

Other keywords: partial subchannel orthogonalisation; constructive interference; antenna redundancy; transmitter; partial linear precoding; narrowband downlink multiuser multiple input multiple output systems; transmit antenna selection; signal-to-noise ratio; customised antenna selection criterion

Subjects: Radio links and equipment; Single antennas; Codes

References

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      • C. Masouros , E. Alsusa . Dynamic linear precoding for the exploitation of known interference in MIMO broadcast systems. IEEE Trans. Wirel. Commun. , 3 , 1396 - 1404
    2. 2)
      • J.B. Andersen . Array gain and capacity of known random channels with multiple element arrays at both ends. IEEE J. Sel. Areas Commun. , 11
    3. 3)
      • S. Sanayel , A. Nosratinia . Antenna selection in MIMO systems. IEEE Commun. Mag. , 10 , 68 - 73
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      • H. El Gamal , G. Caire , M. Damen . Lattice coding and decoding achieve the optimal diversity-multiplexing tradeoff of MIMO channels. IEEE Trans. Inf. Theory , 968 - 985
    6. 6)
      • R.W. Heath , S. Sandhu , A. Paulraj . Antenna selection for spatial multiplexing systems with linear receivers. IEEE Commun. Lett. , 4 , 142 - 144
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