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This paper gives an overview of recent advancements in multiple-input multiple-output (MIMO) systems under W-CDMA to increase the system performance and spectral efficiency. We investigate the effects of predicting the CSI using linear fading envelope predictors under AWGN and multipath Rayleigh fading by considering semi-blind channel schemes in spatial multiplexing and STBC to enhance the performance...
An analytical approach is presented to determine the impact of time selective fading, timing jitter and AWGN on the bit error rate performance of an OFDM system with DQPSK and QPSK modulation. The expression for the conditional BER conditioned on a given timing error and fading, is derived and the average BER is evaluated. The BER performance results are evaluated for different values of fading and...
An analytical approach is presented to determine the impact of time selective fading, timing jitter and AWGN on a STBC-OFDM system with DQPSK, DPSK and QPSK modulation schemes. The BER performance results are evaluated for different values of fading and jitter variance in presence of single and multiple receiving antennas. The computed results show that the DPSK and QPSK systems suffer higher amount...
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