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The downlink of multi-user multiple-input single-output (MU-MISO) wireless system with ERB (equal rate and BER) precoding scheme is considered in this paper, where the base station is equipped with multiple antennas and each mobile user is constrained to a single antenna. Since the number of users supported by the BS is limited by the number of transmit RF chains, the system should exploit user scheduling...
Theoretical investigations have proven that the system combining beamforming with space-time block coding (STBC) in MIMO systems can improve the performance efficiently. However, the multiple RF chains associated with multiple antennas are costly in terms of size, power, and hardware. Antenna selection is a low-cost low-complexity alternative to capture many of the advantages of MIMO systems. In this...
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