Dynamic metasurface antennas for MIMO-OFDM receivers with bit-limited ADCs

H Wang, N Shlezinger, YC Eldar, S Jin… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
The combination of orthogonal frequency modulation (OFDM) and multiple-input multiple-
output (MIMO) techniques plays an important role in modern communication systems. In …

Massive MIMO-OFDM systems with low resolution ADCs: Cramér-Rao bound, sparse channel estimation, and soft symbol decoding

SS Thoota, CR Murthy - IEEE Transactions on Signal …, 2022 - ieeexplore.ieee.org
We consider the delay-domain sparse channel estimation and data detection/decoding
problems in a massive multiple-input-multiple-output (MIMO) orthogonal frequency division …

On OAMP: Impact of the orthogonal principle

L Liu, Y Cheng, S Liang, JH Manton… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Approximate Message Passing (AMP) is an efficient iterative parameter-estimation
technique for certain high-dimensional linear systems with non-Gaussian distributions, such …

Bayesian joint channel-and-data estimation for quantized OFDM over doubly selective channels

Y Xiang, K Xu, B Xia, X Cheng - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
This paper investigates the design of orthogonal frequency division multiplexing (OFDM)
receiver, which operates over time-frequency doubly selective (DS) channels and uses a …

Variational Bayes' joint channel estimation and soft symbol decoding for uplink massive MIMO systems with low resolution ADCs

SS Thoota, CR Murthy - IEEE Transactions on Communications, 2021 - ieeexplore.ieee.org
We consider the problem of joint channel estimation and data decoding in uplink massive
multiple input multiple output systems with low resolution analog-to-digital converters …

Quantized massive MIMO systems with multicell coordinated beamforming and power control

J Choi, Y Cho, BL Evans - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, we investigate a coordinated multipoint (CoMP) beamforming and power
control problem for base stations (BSs) with a massive number of antenna arrays under …

Bayesian channel estimation and data detection in oversampled OFDM receiver with low-resolution ADC

X Cheng, B Xia, K Xu, S Li - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
This paper focuses on a novel orthogonal frequency division multiplexing (OFDM) receiver
architecture, which uses a low-resolution analog-to-digital converter (ADC) to oversample …

On minimizing symbol error rate over fading channels with low-resolution quantization

NI Bernardo, J Zhu, J Evans - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
We analyze the symbol error probability (SEP) of-ary pulse amplitude modulation (-PAM)
receivers equipped with optimal low-resolution quantizers. We first show that the optimum …

[PDF][PDF] Evaluation of different quantization resolution levels on the BER performance of massive MIMO systems under different operating scenarios

HK Al-Qaysi, T Mahmood… - Indonesian Journal of …, 2021 - researchgate.net
The massive MIMO system is one of the main technologies in the fifth generation (5G) of
telecommunication systems, also recognized as a highly large-scale system. Constantly in …

From sub-terahertz to terahertz: challenges and design considerations

D Lee, A Davydov, B Mondal, G Xiong… - 2020 IEEE Wireless …, 2020 - ieeexplore.ieee.org
NR Rel-15 physical layer specifications (released on December 2018) by 3GPP targeting
IMT 2020 can support deployments in frequency ranges 410 MHz-7.125 GHz and 24.25 …