Receiver design for the uplink of base station cooperation systems employing SC-FDE modulations

Filipe Casal Ribeiro, Rui Dinis, Francisco Cercas, Adão Silva

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

The presented paper considers the uplink transmission in base station (BS) cooperation schemes where mobile terminals (MTs) in adjacent cells share the same physical channel. We consider single-carrier with frequency-domain equalization (SC-FDE) combined with iterative frequency-domain receivers based on the iterative block decision feedback equalization (IB-DFE). We study the quantization requirements when sending the received signals, from different MTs, at different BSs to a central unit that performs the separation of different MTs using iterative frequency-domain receivers. Our performance results show that a relatively coarse quantization, with only 4 bits in the in-phase and quadrature components of the complex envelope already allows close-to-optimum macro-diversity gains, as well as an efficient separation of the transmitted signals associated with each MT.

Original languageEnglish
Number of pages15
JournalEurasip Journal On Wireless Communications And Networking
Volume2015
Issue number1
DOIs
Publication statusPublished - 2015

Keywords

  • BS cooperation
  • IB-DFE
  • Quantization
  • SC-FDE

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