Making cell-free massive MIMO competitive with MMSE processing and centralized implementation

E Björnson, L Sanguinetti - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
Cell-free Massive MIMO is considered as a promising technology for satisfying the
increasing number of users and high rate expectations in beyond-5G networks. The key idea …

Distributed variational representation learning

IE Aguerri, A Zaidi - IEEE transactions on pattern analysis and …, 2019 - ieeexplore.ieee.org
The problem of distributed representation learning is one in which multiple sources of
information X 1,..., XK are processed separately so as to learn as much information as …

[PDF][PDF] Distributed information bottleneck method for discrete and Gaussian sources

I Estella Aguerri, A Zaidi - International Zurich Seminar …, 2018 - research-collection.ethz.ch
We study the problem of distributed information bottleneck, in which multiple encoders
separately compress their observations in a manner such that, collectively, the compressed …

On the capacity of cloud radio access networks with oblivious relaying

IE Aguerri, A Zaidi, G Caire… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
We study the transmission over a network in which users send information to a remote
destination through relay nodes that are connected to the destination via finite-capacity error …

Joint fronthaul load balancing and computation resource allocation in cell-free user-centric massive MIMO networks

Z Li, F Göttsch, S Li, M Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We consider scalable cell-free massive multiple-input multiple-output networks under an
open radio access network paradigm comprising user equipments (UEs), radio units (RUs) …

Vector Gaussian CEO problem under logarithmic loss and applications

Y Uğur, IE Aguerri, A Zaidi - IEEE Transactions on Information …, 2020 - ieeexplore.ieee.org
In this paper, we study the vector Gaussian Chief Executive Officer (CEO) problem under
logarithmic loss distortion measure. Specifically, K≥ 2 agents observe independently …

C-RAN with hybrid RF/FSO fronthaul links: Joint optimization of fronthaul compression and RF time allocation

M Najafi, V Jamali, DWK Ng… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper considers the uplink of a cloud radio access network (C-RAN) comprised of
several multi-antenna remote radio units (RUs) which compress the signals that they receive …

Full-duplex cloud radio access network: Stochastic design and analysis

A Shojaeifard, KK Wong, W Yu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Full-duplex (FD) wireless has emerged as a disruptive communications paradigm for
enhancing the achievable spectral efficiency (SE), thanks to the recent major breakthroughs …

Uplink-downlink duality between multiple-access and broadcast channels with compressing relays

L Liu, YF Liu, P Patil, W Yu - IEEE Transactions on Information …, 2021 - ieeexplore.ieee.org
Uplink-downlink duality refers to the fact that under a sum-power constraint, the capacity
regions of a Gaussian multiple-access channel and a Gaussian broadcast channel with …

Vector Gaussian CEO problem under logarithmic loss

Y Ugur, IE Aguerri, A Zaidi - 2018 IEEE Information Theory …, 2018 - ieeexplore.ieee.org
In this paper, we study the vector Gaussian Chief Executive Officer (CEO) problem under
logarithmic loss distortion measure. Specifically, K> 2 agents observe independently …