Resource allocation for underlay cognitive radio networks: A survey

M El Tanab, W Hamouda - IEEE Communications Surveys & …, 2016 - ieeexplore.ieee.org
For conventional wireless networks, the main target of resource allocation (RA) is to
efficiently utilize the available resources. Generally, there are no changes in the available …

DDPG-based joint time and energy management in ambient backscatter-assisted hybrid underlay CRNs

K Zheng, X Jia, K Chi, X Liu - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Ambient backscatter (AB) communications and radio frequency (RF)-powered cognitive
radio networks (CRNs) address the concerns of energy and spectrum scarcities from …

Parallel and distributed methods for constrained nonconvex optimization—Part I: Theory

G Scutari, F Facchinei… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this two-part paper, we propose a general algorithmic framework for the minimization of a
nonconvex smooth function subject to nonconvex smooth constraints, and also consider …

Combinational and sequential map** with priority cuts

A Mishchenko, S Cho, S Chatterjee… - 2007 IEEE/ACM …, 2007 - ieeexplore.ieee.org
An algorithm for technology map** of combinational and sequential logic networks is
proposed and applied to map** into K-input lookup-tables (K-LUTs). The new algorithm …

Parallel and distributed methods for constrained nonconvex optimization-part ii: Applications in communications and machine learning

G Scutari, F Facchinei, L Lampariello… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
In Part I of this paper, we proposed and analyzed a novel algorithmic framework for the
minimization of a nonconvex objective function, subject to nonconvex constraints, based on …

A unified successive pseudoconvex approximation framework

Y Yang, M Pesavento - IEEE Transactions on Signal …, 2017 - ieeexplore.ieee.org
In this paper, we propose a successive pseudoconvex approximation algorithm to efficiently
compute stationary points for a large class of possibly nonconvex optimization problems …

Minimax problems with coupled linear constraints: computational complexity, duality and solution methods

I Tsaknakis, M Hong, S Zhang - arxiv preprint arxiv:2110.11210, 2021 - arxiv.org
In this work we study a special minimax problem where there are linear constraints that
couple both the minimization and maximization decision variables. The problem is a …

Energy efficiency in MIMO underlay and overlay device-to-device communications and cognitive radio systems

A Zappone, B Matthiesen… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper addresses the problem of resource allocation for systems in which a primary and
a secondary link share the available spectrum by an underlay or overlay approach. After …

Benefits of improper signaling for underlay cognitive radio

C Lameiro, I Santamaría… - IEEE Wireless …, 2014 - ieeexplore.ieee.org
In this letter we study the potential benefits of improper signaling for a secondary user (SU)
in underlay cognitive radio networks. We consider a basic yet illustrative scenario in which …

Learning to be green: Robust energy efficiency maximization in dynamic MIMO–OFDM systems

P Mertikopoulos, EV Belmega - IEEE Journal on Selected …, 2016 - ieeexplore.ieee.org
In this paper, we examine the maximization of energy efficiency (EE) in next-generation
multiuser MIMO-OFDM networks that vary dynamically over time-eg, due to user mobility …