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http://hdl.handle.net/10071/17175
acessibilidade
Title: Reduced complexity detection in MIMO systems with SC-FDE modulations and iterative DFE receivers
Authors: Ribeiro, F. C.
Guerreiro, J.
Dinis, R.
Cercas, F.
Silva, A.
Keywords: MIMO
Nonlinear effects
SC-FDE
IB-DFE
Issue Date: 2018
Publisher: MDPI
Abstract: This paper considers a Multiple-Input Multiple-Output (MIMO) system with P transmitting and R receiving antennas and different overall noise characteristics on the different receiver antennas (e.g., due to nonlinear effects at the receiver side). Each communication link employs a Single-Carrier with Frequency-Domain Equalization (SC-FDE) modulation scheme, and the receiver is based on robust iterative frequency-domain multi-user detectors based on the Iterative Block Decision Feedback Equalization (IB-DFE) concept. We present low complexity efficient receivers that can employ low resolution Analog-to-Digital Converters (ADCs) and require the inversion of matrices with reduced dimension when the number of receive antennas is larger than the number of independent data streams. The advantages of the proposed techniques are particularly high for highly unbalanced MIMO systems, such as in the uplink of Base Station (BS) cooperation systems that aim for Single-Frequency Network (SFN) operation or massive MIMO systems with much more antennas at the receiver side.
Peer reviewed: yes
URI: http://hdl.handle.net/10071/17175
DOI: 10.3390/jsan7020017
ISSN: 2224-2708
Ciência-IUL: https://ciencia.iscte-iul.pt/id/ci-pub-53521
Accession number: WOS:000436556000002
Appears in Collections:IT-RI - Artigo em revista internacional com arbitragem científica

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