Spatio-temporal waveform design for multiuser massive MIMO downlink with 1-bit receivers

A Gokceoglu, E Björnson, EG Larsson… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
Internet-of-Things (IoT) refers to a high-density network of low-cost, low-bitrate terminals and
sensors where low energy consumption is also one central feature. As the power budget of …

Zero-crossing precoding techniques for channels with 1-bit temporal oversampling ADCs

DMV Melo, LTN Landau, RC de Lamare… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
A promising approach to reducing the energy consumption is to consider coarse
quantization at the receiver. In this study, we investigate novel precoding techniques in …

Achievable rate with 1-bit quantization and oversampling using continuous phase modulation-based sequences

LTN Landau, M Dörpinghaus… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Analog-to-digital conversion with high resolution in amplitude has a relatively high energy
consumption in communication systems. A promising alternative to reduce the energy …

1-bit quantization and oversampling at the receiver: Sequence-based communication

LTN Landau, M Dörpinghaus, GP Fettweis - EURASIP Journal on Wireless …, 2018 - Springer
Receivers based on 1-bit quantization and oversampling with respect to the transmit signal
bandwidth enable a lower power consumption and a reduced circuit complexity compared to …

High order PSK modulation in massive MIMO systems with 1-bit ADCs

B Sun, Y Zhou, J Yuan, YF Liu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) systems with 1-bit analog-to-digital converters
(ADCs) are promising to reduce the energy consumption. However, the serious quantization …

Channel estimation and IQ imbalance compensation for uplink massive MIMO systems with low-resolution ADCs

Y Xiong, N Wei, Z Zhang, B Li, Y Chen - IEEE Access, 2017 - ieeexplore.ieee.org
In this paper, two techniques to compensate inphase/quadrature-phase imbalance (IQI) are
investigated in the uplink-quantized massive multiple-input and multiple-output (MIMO) …

Zero-crossing precoding with MMSE criterion for channels with 1-bit quantization and oversampling

DMV Melo, LTN Landau… - WSA 2020; 24th …, 2020 - ieeexplore.ieee.org
Systems with coarse quantization have attracted a great interest due to the low complexity
and low energy consumption requirements of new applications as IoT. In this study, we …

Zero-crossing precoding with maximum distance to the decision threshold for channels with 1-bit quantization and oversampling

DMV Melo, LTN Landau… - ICASSP 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
Low-resolution devices are promising for systems that demand low energy consumption and
low complexity as required in IoT systems. In this study, we propose a novel waveform for …

Continuous phase modulation with 1-bit quantization and oversampling using iterative detection and decoding

RRM de Alencar, LTN Landau… - EURASIP Journal on …, 2020 - Springer
A channel with continuous phase modulation and 1-bit ADC with oversampling is
considered. Due to oversampling, higher-order modulations yield a higher achievable rate …

Joint precoding and antenna selection in massive MIMO systems

RS Chaves - 2018 - pantheon.ufrj.br
This thesis presents an overview of massive multiple-input multiple-output (MIMO) systems
and proposes new algorithms to jointly precode and select the antennas. Massive MIMO is a …