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Reduced Complexity Detection in MIMO Systems with SC-FDE Modulations and Iterative DFE Receivers

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IT—Instituto de Telecomunicações, Av. Rovisco Pais 1, Torre Norte, piso 10, 1049-001 Lisboa, Portugal
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UAL—Universidade Autónoma de Lisboa, Rua Santa Marta 56, Palácio Dos Condes Do Redondo, 1169-023 Lisboa, Portugal
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FCT—Universidade Nova de Lisboa, Monte de Caparica, 2829-516 Caparica, Portugal
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ISCTE—Instituto Universitário de Lisboa, Av. das Forças Armadas 376, 1600-077 Lisboa, Portugal
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DETI—Universidade de Aveiro, 3810-193 Aveiro, Portugal
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Author to whom correspondence should be addressed.
J. Sens. Actuator Netw. 2018, 7(2), 17; https://doi.org/10.3390/jsan7020017
Received: 5 January 2018 / Revised: 20 March 2018 / Accepted: 25 March 2018 / Published: 2 April 2018
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. View Full-Text
Keywords: MIMO; nonlinear effects; SC-FDE; IB-DFE MIMO; nonlinear effects; SC-FDE; IB-DFE
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MDPI and ACS Style

Casal Ribeiro, F.; Guerreiro, J.; Dinis, R.; Cercas, F.; Silva, A. Reduced Complexity Detection in MIMO Systems with SC-FDE Modulations and Iterative DFE Receivers. J. Sens. Actuator Netw. 2018, 7, 17. https://doi.org/10.3390/jsan7020017

AMA Style

Casal Ribeiro F, Guerreiro J, Dinis R, Cercas F, Silva A. Reduced Complexity Detection in MIMO Systems with SC-FDE Modulations and Iterative DFE Receivers. Journal of Sensor and Actuator Networks. 2018; 7(2):17. https://doi.org/10.3390/jsan7020017

Chicago/Turabian Style

Casal Ribeiro, Filipe, João Guerreiro, Rui Dinis, Francisco Cercas, and Adão Silva. 2018. "Reduced Complexity Detection in MIMO Systems with SC-FDE Modulations and Iterative DFE Receivers" Journal of Sensor and Actuator Networks 7, no. 2: 17. https://doi.org/10.3390/jsan7020017

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