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Title: Receiver design for the uplink of base station cooperation systems employing SC-FDE modulations
Author: Ribeiro, Filipe Casal
Dinis, Rui
Cercas, Francisco
Silva, Adão
Issue Date: 2015
Publisher: Springer
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.
Peer review: yes
DOI: 10.1186/s13638-014-0237-6
ISSN: 1687-1499
Appears in Collections:DETI - Artigos

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