White paper on broadband connectivity in 6G

N Rajatheva, I Atzeni, E Bjornson, A Bourdoux… - arxiv preprint arxiv …, 2020 - arxiv.org
This white paper explores the road to implementing broadband connectivity in future 6G
wireless systems. Different categories of use cases are considered, from extreme capacity …

Distributed precoding design via over-the-air signaling for cell-free massive MIMO

I Atzeni, B Gouda, A Tölli - IEEE transactions on wireless …, 2020 - ieeexplore.ieee.org
Most works on cell-free massive multiple-input multiple-output (MIMO) consider non-
cooperative precoding strategies at the base stations (BSs) to avoid extensive channel state …

Ultra-reliable low-latency communications: Foundations, enablers, system design, and evolution towards 6G

NH Mahmood, I Atzeni, EA Jorswieck… - … and Trends® in …, 2023 - nowpublishers.com
Wireless communication has traditionally been designed to connect human users. The main
design goal was to maximize the data rate while guaranteeing moderate reliability and …

Enhanced normalized conjugate beamforming for cell-free massive MIMO

G Interdonato, HQ Ngo… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In cell-free massive multiple-input multiple-output (MIMO) the fluctuations of the channel
gain from the access points to a user are large due to the distributed topology of the system …

Federated learning for precoding design in cell-free massive MIMO systems

D Wang, M Tao, X Zeng, J Liang - IEEE Open Journal of the …, 2023 - ieeexplore.ieee.org
Cell-free massive MIMO precoding leverages the large number of antennas and dense
access point (AP) deployment to concurrently serve multiple users in a wide coverage area …

Distributed learning for uplink cell-free massive MIMO networks

R Wang, W Dai, Y Jiang - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (MIMO) can resolve the inter-cell
interference issue in cellular networks through cooperative beamforming of the distributed …

[KNIHA][B] Cell-free massive MIMO: Scalability, signal processing and power control

G Interdonato - 2020 - search.proquest.com
The fifth generation of mobile communication systems (5G) is nowadays a reality. 5G
networks are been deployed all over the world, and the first 5G-capable devices (eg …

Combined DL-UL Distributed Beamforming Design for Cell-Free Massive MIMO

B Gouda, A Arvola, I Atzeni - IEEE Wireless Communications …, 2024 - ieeexplore.ieee.org
We consider a cell-free massive multiple-input multiple-output system with multi-antenna
access points (APs) and user equipments (UEs), where the UEs can be served in both the …

Distributed computation of a posteriori bit likelihood ratios in cell-free massive MIMO

ZH Shaik, E Björnson… - 2021 29th European Signal …, 2021 - ieeexplore.ieee.org
This paper presents a novel strategy to decentralize the soft detection procedure in an uplink
cell-free massive multiple-input-multiple-output network. We propose efficient approaches to …

Pilot-aided distributed multi-group multicast precoding design for cell-free massive MIMO

B Gouda, I Atzeni, A Tölli - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
We propose fully distributed multi-group multicast precoding designs for cell-free massive
multiple-input multiple-output (MIMO) systems with modest training overhead. We target the …