425 citations · 425 across the 12 of their papers we have counts for
26 papers
EVM Analysis of Distributed Massive MIMO with 1-Bit Radio-Over-Fiber Fronthaul
Anzhong Hu, Lise Aabel, Giuseppe Durisi +4
We analyze the uplink performance of a distributed massive multiple-input multiple-output (MIMO) architecture in which the remotely located access points (APs) are connected to a c…
A TDD Distributed MIMO Testbed Using a 1-Bit Radio-Over-Fiber Fronthaul Architecture
Lise Aabel, Sven Jacobsson, Mikael Coldrey +3
We present the uplink and downlink of a time-division duplex distributed multiple-input multiple-output (D-MIMO) testbed, based on a 1-bit radio-over-fiber architecture, which is l…
Hybrid Jammer Mitigation for All-Digital mmWave Massive MU-MIMO
Gian Marti, Oscar Castañeda, Sven Jacobsson +3
Low-resolution analog-to-digital converters (ADCs) simplify the design of millimeter-wave (mmWave) massive multi-user multiple-input multiple-output (MU-MIMO) basestations, but inc…
Resolution-Adaptive All-Digital Spatial Equalization for mmWave Massive MU-MIMO
Oscar Castañeda, Seyed Hadi Mirfarshbafan, Shahaboddin Ghajari +4
All-digital basestation (BS) architectures for millimeter-wave (mmWave) massive multi-user multiple-input multiple-output (MU-MIMO), which equip each radio-frequency chain with ded…
Distortion-Aware Linear Precoding for Massive MIMO Downlink Systems with Nonlinear Power Amplifiers
Sina Rezaei Aghdam, Sven Jacobsson, Ulf Gustavsson +3
We introduce a framework for linear precoder design over a massive multiple-input multiple-output downlink system in the presence of nonlinear power amplifiers (PAs). By studying t…
Finite-Alphabet Wiener Filter Precoding for mmWave Massive MU-MIMO Systems
Oscar Castañeda, Sven Jacobsson, Giuseppe Durisi +2
Power consumption of multi-user (MU) precoding is a major concern in all-digital massive MU multiple-input multiple-output (MIMO) base-stations with hundreds of antenna elements op…
High-Bandwidth Spatial Equalization for mmWave Massive MU-MIMO with Processing-In-Memory
Oscar Castañeda, Sven Jacobsson, Giuseppe Durisi +2
All-digital basestation (BS) architectures enable superior spectral efficiency compared to hybrid solutions in massive multi-user MIMO systems. However, supporting large bandwidths…
Soft-Output Finite Alphabet Equalization for mmWAVE Massive MIMO
Oscar Castañeda, Sven Jacobsson, Giuseppe Durisi +2
Next-generation wireless systems are expected to combine millimeter-wave (mmWave) and massive multi-user multiple-input multiple-output (MU-MIMO) technologies to deliver high data-…
Finite-Alphabet MMSE Equalization for All-Digital Massive MU-MIMO mmWave Communication
Oscar Castañeda, Sven Jacobsson, Giuseppe Durisi +2
We propose finite-alphabet equalization, a new paradigm that restricts the entries of the spatial equalization matrix to low-resolution numbers, enabling high-throughput, low-power…
All-Digital Massive MIMO Uplink and Downlink Rates under a Fronthaul Constraint
Y. Ettefagh, S. Jacobsson, A. Hu +2
We characterize the rate achievable in a bidirectional quasi-static link where several user equipments communicate with a massive multiple-input multiple-output base station (BS).…
Massive MU-MIMO-OFDM Uplink with Direct RF-Sampling and 1-Bit ADCs
Sven Jacobsson, Lise Aabel, Mikael Coldrey +4
Advances in analog-to-digital converter (ADC) technology have opened up the possibility to directly digitize wideband radio frequency (RF) signals, avoiding the need for analog dow…
Distortion-Aware Linear Precoding for Millimeter-Wave Multiuser MISO Downlink
Sina Rezaei Aghdam, Sven Jacobsson, Thomas Eriksson
In this work, we propose an iterative scheme for computing a linear precoder that takes into account the impact of hardware impairments in the multiuser multiple-input single-outpu…
Timing and Frequency Synchronization for 1-bit Massive MU-MIMO-OFDM Downlink
Sven Jacobsson, Carl Lindquist, Giuseppe Durisi +2
We consider timing and frequency synchronization for the massive multiuser (MU) multiple-input multiple-output (MIMO) downlink where 1-bit digital-to-analog converters (DACs) are u…
Neural-Network Optimized 1-bit Precoding for Massive MU-MIMO
Alexios Balatsoukas-Stimming, Oscar Castañeda, Sven Jacobsson +2
Base station (BS) architectures for massive multi-user (MU) multiple-input multiple-output (MIMO) wireless systems are equipped with hundreds of antennas to serve tens of users on…
Massive MU-MIMO-OFDM Uplink with Hardware Impairments: Modeling and Analysis
Sven Jacobsson, Ulf Gustavsson, Giuseppe Durisi +1
We study the impact of hardware impairments at the base station (BS) of an orthogonal frequency-division multiplexing (OFDM)-based massive multiuser (MU) multiple-input multiple-ou…
MSE-optimal 1-bit Precoding for Multiuser MIMO via Branch and Bound
Sven Jacobsson, Weiyu Xu, Giuseppe Durisi +1
In this paper, we solve the sum mean-squared error (MSE)-optimal 1-bit quantized precoding problem exactly for small-to-moderate sized multiuser multiple-input multiple-output (MU-…
VLSI Design of a 3-bit Constant-Modulus Precoder for Massive MU-MIMO
Oscar Castañeda, Sven Jacobsson, Giuseppe Durisi +2
Fifth-generation (5G) cellular systems will build on massive multi-user (MU) multiple-input multiple-output (MIMO) technology to attain high spectral efficiency. However, having hu…
On Out-of-Band Emissions of Quantized Precoding in Massive MU-MIMO-OFDM
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey +1
We analyze out-of-band (OOB) emissions in the massive multi-user (MU) multiple-input multiple-output (MIMO) downlink. We focus on systems in which the base station (BS) is equipped…
Nonlinear Precoding for Phase-Quantized Constant-Envelope Massive MU-MIMO-OFDM
Sven Jacobsson, Oscar Castañeda, Charles Jeon +2
We propose a nonlinear phase-quantized constant-envelope precoding algorithm for the massive multi-user (MU) multiple-input multiple-output (MIMO) downlink. Specifically, we adapt…
Linear Precoding with Low-Resolution DACs for Massive MU-MIMO-OFDM Downlink
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey +1
We consider the downlink of a massive multiuser (MU) multiple-input multiple-output (MIMO) system in which the base station (BS) is equipped with low-resolution digital-to-analog c…
Massive MU-MIMO-OFDM Downlink with One-Bit DACs and Linear Precoding
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey +1
Massive multiuser (MU) multiple-input multiple- output (MIMO) is foreseen to be a key technology in future wireless communication systems. In this paper, we analyze the downlink pe…
1-bit Massive MU-MIMO Precoding in VLSI
Oscar Castañeda, Sven Jacobsson, Giuseppe Durisi +3
Massive multiuser (MU) multiple-input multiple-output (MIMO) will be a core technology in fifth-generation (5G) wireless systems as it offers significant improvements in spectral e…
Nonlinear 1-Bit Precoding for Massive MU-MIMO with Higher-Order Modulation
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey +2
Massive multi-user (MU) multiple-input multiple- output (MIMO) is widely believed to be a core technology for the upcoming fifth-generation (5G) wireless communication standards. T…
Quantized Precoding for Massive MU-MIMO
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey +2
Massive multiuser (MU) multiple-input multiple-output (MIMO) is foreseen to be one of the key technologies in fifth-generation wireless communication systems. In this paper, we inv…