2 Ergebnisse.

Multiuser detection using frequency domain equalization (FDE) in space-time block coded DS-CDMA with transmit diversity is addressed in this book. The space time transmit diversity techniques, along with FDE have been shown to provide an efficient means of achieving improved bit error rate performance in frequency selective fading channels, using frequency diversity techniques. A subcarrier by subcarrier based linear MMSE-FDE is carried out fo...

Orthogonal frequency division multiplexing (OFDM) is a multi-carrier transmission technique in which data from a single high data rate stream is transmitted over multiple sub-carriers at low data rate. Space-time block coding, applied to OFDM results in performance improvement to frequency selective fading. In time-varying environment, OFDM experiences inter-carrier interference (ICI) due to the Doppler spread of the channel. In this work, we ...