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In this paper, we present a beamforming technique using singular value decomposition (SVD) for closed loop multiple-input multiple-output (MIMO) wireless systems with various modulation techniques such as binary phase shift keying (BPSK) and 16- quadrature amplitude modulation (16-QAM). The channel matrix is decomposed into a number of independent orthogonal modes of excitation, which we will refer...
We consider the design of MIMO transceivers with zero-forcing (ZF) decision feedback detection over time-varying MIMO channels. The data vectors are grouped into spacetime blocks (ST-blocks) for the spatial and temporal precoding to take advantage of the diversity offered by time-varying channels. We extend the generalized triangular decomposition (GTD) for the case of time-varying channels by introducing...
The combined transmitter-antenna-selection/receiver-maximal-ratio-combining (TAS/MRC) scheme has recently been proposed to reduce system cost and retain the advantage of diversity. In this paper, the performance of the TAS/MRC scheme over arbitrarily correlated Nakagami fading channels is analyzed. When the fading parameter of the branches is an integer, an exact closed-form bit error rate (BER) expression...
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