A Comparative Study of Adaptive Modulation and Joint Temporal Spatial Power Allocation for STTC and OSTBC MIMO Systems with Imperfect CSI

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Provided by: International Journal of Innovative Science Engineering and Technology (IJISET)
Topic: Software
Format: PDF
In this paper comparison of Space Time Trellis Coded (STTC) and Orthogonal Space Time Block Coded (OSTBC) MIMO systems with imperfect channel state information is done. It is proposed a novel adaptive transmission scheme for space-time coded multiple-input multiple-output beam forming systems with imperfect channel state information at the transmitter, of which the signal constellation, total transmit power (temporal power), and power allocation among Eigen beams (spatial power) are jointly adapted to maximize the average spectral efficiency, subject to a target bit-error-rate and an average power constraint.
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