Interference-Aware Iterative Block Decision Feedback Equalizer for Single-Carrier Transmission

Nuno Souto, Rui Dinis, Americo Correia, Carlos Reis

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The deployment of increasingly dense heterogeneous mobile networks can create high levels of interference among users that, combined with severely time-dispersive channels, can result in substantial performance degradation. To cope with both effects, in this paper, we propose an iterative block decision feedback equalizer (IBDFE) for single carrier (SC) transmissions that makes use of the correlation between the interference in the receiving antennas and minimizes the mean squared error (MSE) of the detected symbols. Our analytic and simulated performance results show that the proposed receiver can clearly outperform the conventional IBDFE and the linear interference rejection combining (IRC) detector in severely time-dispersive channels with strong cochannel interference.

Original languageEnglish
Article number6883232
Pages (from-to)3316-3321
Number of pages6
JournalIEEE Transactions on Vehicular Technology
Volume64
Issue number7
DOIs
Publication statusPublished - 1 Jul 2015

Keywords

  • Decision feedback equalizers (DFEs)
  • frequency-domain equalization
  • interference rejection combining (IRC)
  • single-carrier frequency-domain equalization (SC-FDE)

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