A tutorial on environment-aware communications via channel knowledge map for 6G

Y Zeng, J Chen, J Xu, D Wu, X Xu, S **… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Sixth-generation (6G) mobile communication networks are expected to have dense
infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified …

Extra: An exact first-order algorithm for decentralized consensus optimization

W Shi, Q Ling, G Wu, W Yin - SIAM Journal on Optimization, 2015 - SIAM
Recently, there has been growing interest in solving consensus optimization problems in a
multiagent network. In this paper, we develop a decentralized algorithm for the consensus …

On the linear convergence of the ADMM in decentralized consensus optimization

W Shi, Q Ling, K Yuan, G Wu… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In decentralized consensus optimization, a connected network of agents collaboratively
minimize the sum of their local objective functions over a common decision variable, where …

On the convergence of decentralized gradient descent

K Yuan, Q Ling, W Yin - SIAM Journal on Optimization, 2016 - SIAM
Consider the consensus problem of minimizing f(x)=i=1^nf_i(x), where x∈R^p and each f_i
is only known to the individual agent i in a connected network of n agents. To solve this …

Design of optimal sparse feedback gains via the alternating direction method of multipliers

F Lin, M Fardad, MR Jovanović - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
We design sparse and block sparse feedback gains that minimize the variance amplification
(ie, the H 2 norm) of distributed systems. Our approach consists of two steps. First, we …

D-ADMM: A communication-efficient distributed algorithm for separable optimization

JFC Mota, JMF Xavier, PMQ Aguiar… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
We propose a distributed algorithm, named Distributed Alternating Direction Method of
Multipliers (D-ADMM), for solving separable optimization problems in networks of …

Sparse bayesian learning-based 3D radio environment map construction—Sampling optimization, scenario-dependent dictionary construction and sparse recovery

J Wang, Q Zhu, Z Lin, Q Wu, Y Huang… - IEEE transactions on …, 2023 - ieeexplore.ieee.org
The radio environment map (REM), which can visualize the information of invisible
electromagnetic spectrum, is vital for monitoring, management, and security of spectrum …

Radio map estimation: A data-driven approach to spectrum cartography

D Romero, SJ Kim - IEEE Signal Processing Magazine, 2022 - ieeexplore.ieee.org
Radio maps characterize quantities of interest in radio communication environments, such
as the received signal strength and channel attenuation, at every point of a geographical …

Engineering radio maps for wireless resource management

S Bi, J Lyu, Z Ding, R Zhang - IEEE Wireless Communications, 2019 - ieeexplore.ieee.org
The term'radio map'in general refers to the geographical signal power spectrum density,
formed by the superposition of concurrent wireless transmissions, as a function of location …

Space-based electromagnetic spectrum sensing and situation awareness

Y Huang, H Cui, Y Hou, C Hao, W Wang… - Space: Science & …, 2024 - spj.science.org
With a booming number of wireless Internet-of-Things devices, satellite communications
have been recognized as a key pillar to support massive communication and ubiquitous …