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This paper proposes a block diagonalization (BD) method, which nullifies the multiuser interference and, hence, increases the sum capacity in a multiuser multiple-input multiple-output (MU-MIMO) downlink system. The proposed BD scheme employs all users' receive processing as well as channel information. In addition, this paper proposes three adaptive mode selection schemes for the proposed BD: namely,...
Many studies investigate wireless communication systems with multiple antennas on both sides of the link (MIMO systems) for future high-speed mobile communications. With these systems, the spatial properties of the propagation channel can be exploited. This paper deals with the investigation of MIMO systems on system level for the downlink case. In this scenario multiuser interference affects the...
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