Effective demand failures and the limits of monetary stabilization policy

M Woodford - American Economic Review, 2022 - aeaweb.org
The challenge for stabilization policy presented by the COVID-19 pandemic stems above all
from disruption of the circular flow of payments, resulting in a failure of what Keynes (1936) …

Resource optimization with load coupling in multi-cell NOMA

L You, D Yuan, L Lei, S Sun… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Optimizing non-orthogonal multiple access (NOMA) in multi-cell scenarios is much more
challenging than the single-cell case because inter-cell interference must be considered …

UL-DL duality for cell-free massive MIMO with per-AP power and information constraints

L Miretti, RLG Cavalcante, E Björnson… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We derive a novel uplink-downlink duality principle for optimal joint precoding design under
per-transmitter power and information constraints in fading channels. The information …

Fundamental limits of community detection from multi-view data: multi-layer, dynamic and partially labeled block models

X Yang, B Lin, S Sen - arXiv preprint arXiv:2401.08167, 2024 - arxiv.org
Multi-view data arises frequently in modern network analysis eg relations of multiple types
among individuals in social network analysis, longitudinal measurements of interactions …

Joint optimal beamforming and power control in cell-free massive MIMO

L Miretti, RLG Cavalcante… - GLOBECOM 2022-2022 …, 2022 - ieeexplore.ieee.org
We derive a fast and optimal algorithm for solving practical weighted max-min SINR
problems in cell-free massive MIMO networks. For the first time, the optimization problem …

The fixed point iteration of positive concave mappings converges geometrically if a fixed point exists: Implications to wireless systems

T Piotrowski, RLG Cavalcante - IEEE Transactions on Signal …, 2022 - ieeexplore.ieee.org
We prove that the fixed point iteration of arbitrary positive concave mappings with nonempty
fixed point set converges geometrically for any starting point. We also show that positivity is …

Connections between spectral properties of asymptotic mappings and solutions to wireless network problems

RLG Cavalcante, Q Liao… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this study, we establish connections between asymptotic functions and properties of
solutions to important problems in wireless networks. We start by introducing a class of self …

Closed-form max-min power control for some cellular and cell-free massive MIMO networks

L Miretti, RLG Cavalcante, S Stańczak… - 2022 IEEE 95th …, 2022 - ieeexplore.ieee.org
Many common instances of power control problems for cellular and cell-free massive MIMO
networks can be interpreted as max-min utility optimization problems involving affine …

Dynamic uplink/downlink resource management in flexible duplex-enabled wireless networks

Q Liao - 2017 IEEE International Conference on …, 2017 - ieeexplore.ieee.org
Flexible duplex is proposed to adapt to the channel and traffic asymmetry for future wireless
networks [1]. In this paper, we propose two novel algorithms within the flexible duplex …

Power and beam optimization for uplink millimeter-wave hotspot communication systems

R Ismayilov, B Holfeld, RLG Cavalcante… - 2019 IEEE Wireless …, 2019 - ieeexplore.ieee.org
We propose an effective interference management and beamforming mechanism for uplink
communication systems that yields fair allocation of rates. In particular, we consider a …