Interference suppression for space-time coded CDMA via decision-feedback equalization

  title={Interference suppression for space-time coded CDMA via decision-feedback equalization},
  author={Mohammad H. Taghavi and Babak Hossein Khalaj},
  journal={IEEE Transactions on Vehicular Technology},
A single-user receiver structure is proposed for space-time coded code-division multiple-access (CDMA) downlink in a multiuser frequency-selective channel. This structure is a two-dimensional (2-D) decision-feedback equalizer (2D-DFE) whose filters are optimized based on the MMSE criterion to mitigate noise, intersymbol interference (ISI), and multiuser interference (MUI) with a moderate complexity. By modeling the spreading codes of the interfering users as random sequences, system performance… CONTINUE READING
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