425 citations · 1.4k across the 81 of their papers we have counts for
95 papers · 1 filter
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…
Integrated Communication, Localization, and Sensing in 6G D-MIMO Networks
Hao Guo, Henk Wymeersch, Behrooz Makki +10
Future generations of mobile networks call for concurrent sensing and communication functionalities in the same hardware and/or spectrum. Compared to communication, sensing service…
Irregular Repetition Slotted ALOHA Over the Binary Adder Channel
Khac-Hoang Ngo, Alexandre Graell i Amat, Giuseppe Durisi
We propose an irregular repetition slotted ALOHA (IRSA) based random-access protocol for the binary adder channel (BAC). The BAC captures important physical-layer concepts, such as…
Unsourced Multiple Access with Common Alarm Messages: Network Slicing for Massive and Critical IoT
Khac-Hoang Ngo, Giuseppe Durisi, Alexandre Graell i Amat +3
We investigate the coexistence of massive and critical Internet of Things (IoT) services in the context of the unsourced multiple access (UMA) framework introduced by Polyanskiy (2…
The Dynamic Behavior of Frameless ALOHA: Drift Analysis, Throughput, and Age of Information
Andrea Munari, Francisco Lazaro, Giuseppe Durisi +1
We study the dynamic behavior of frameless ALOHA, both in terms of throughput and age of information (AoI). In particular, differently from previous studies, our analysis accounts…
Efficient evaluation of the error probability for pilot-assisted URLLC with Massive MIMO
A. Oguz Kislal, Alejandro Lancho, Giuseppe Durisi +1
We propose a numerically efficient method for evaluating the random-coding union bound with parameter on the error probability achievable in the finite-blocklength regime by a…
Cell-Free Massive MIMO for URLLC: A Finite-Blocklength Analysis
Alejandro Lancho, Giuseppe Durisi, Luca Sanguinetti
We present a general framework for the characterization of the packet error probability achievable in cell-free Massive multiple-input multiple output (MIMO) architectures deployed…
Unsourced Multiple Access With Random User Activity
Khac-Hoang Ngo, Alejandro Lancho, Giuseppe Durisi +1
To account for the massive uncoordinated random access scenario, which is relevant for the Internet of Things, Polyanskiy (2017) proposed a novel formulation of the multiple-access…
Low-Resolution Massive MIMO Under Hardware Power Consumption Constraints
Italo Atzeni, Antti Tölli, Giuseppe Durisi
We consider a fully digital massive multiple-input multiple-output architecture with low-resolution analog-to-digital/digital-to-analog converters (ADCs/DACs) at the base station (…
Age of Information in Prioritized Random Access
Khac-Hoang Ngo, Giuseppe Durisi, Alexandre Graell i Amat
Age of information (AoI) is a performance metric that captures the freshness of status updates. While AoI has been studied thoroughly for point-to-point links, the impact of modern…
An Age of Information Characterization of Frameless ALOHA
Andrea Munari, Francisco Lázaro, Giuseppe Durisi +1
We provide a characterization of the peak age of information (AoI) achievable in a random-access system operating according to the frameless ALOHA protocol. Differently from previo…
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…
On Joint Detection and Decoding in Short-Packet Communications
Alejandro Lancho, Johan Östman, Giuseppe Durisi
We consider a communication problem in which the receiver must first detect the presence of an information packet and, if detected, decode the message carried within it. We present…
Cell-free Massive MIMO with Short Packets
Alejandro Lancho, Giuseppe Durisi, Luca Sanguinetti
In this paper, we adapt to cell-free Massive MIMO (multiple-input multiple-output) the finite-blocklength framework introduced by Östman et al. (2020) for the characterization of t…
Massive Uncoordinated Access With Random User Activity
Khac-Hoang Ngo, Alejandro Lancho, Giuseppe Durisi +1
We extend the seminal work by Polyanskiy (2017) on massive uncoordinated access to the case where the number of active users is random and unknown a priori. We define a random-acce…
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…
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…
URLLC with Massive MIMO: Analysis and Design at Finite Blocklength
Johan Östman, Alejandro Lancho, Giuseppe Durisi +1
The fast adoption of Massive MIMO for high-throughput communications was enabled by many research contributions mostly relying on infinite-blocklength information-theoretic bounds.…
Generalization Error Bounds via th Central Moments of the Information Density
Fredrik Hellström, Giuseppe Durisi
We present a general approach to deriving bounds on the generalization error of randomized learning algorithms. Our approach can be used to obtain bounds on the average generalizat…
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).…
Short-Packet Transmission over a Bidirectional Massive MIMO link
Johan Östman, Alejandro Lancho, Giuseppe Durisi
We consider the transmission of short packets over a bidirectional communication link where multiple devices, e.g., sensors and actuators, exchange small-data payloads with a base…
Short-packet Transmission via Variable-Length Codes in the Presence of Noisy Stop Feedback
Johan Östman, Rahul Devassy, Giuseppe Durisi +1
We present an upper bound on the error probability achievable using variable-length stop feedback codes, for a fixed size of the information payload and a given constraint on the m…