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Partitioning large networks into stable clusters of synchronized nodes is a challenging task. Recent approaches based on spectral analysis can provide exact results on specific dynamics but remain unfeasible for very large networks.…

物理与社会 · 物理学 2026-01-23 Massimo Ostilli

This paper addresses the problem of scalability for a cell-free massive MIMO (CF-mMIMO) system that performs integrated sensing and communications (ISAC). Specifically, the case where a large number of access points (APs) are deployed to…

信息论 · 计算机科学 2024-06-10 Stefano Buzzi , Carmen D'Andrea , Sergi Liesegang

This paper studies the transmit power optimization in a multi-cell massive multiple-input multiple-output (MIMO) system. To overcome the scalability issue of network-wide max-min fairness (NW-MMF), we propose a novel power control (PC)…

信息论 · 计算机科学 2021-05-24 Amin Ghazanfari , Hei Victor Cheng , Emil Björnson , Erik G. Larsson

In this paper, we investigate a distributed learning scheme for a broad class of stochastic optimization problems and games that arise in signal processing and wireless communications. The proposed algorithm relies on the method of matrix…

信息论 · 计算机科学 2017-04-05 Panayotis Mertikopoulos , E. Veronica Belmega , Romain Negrel , Luca Sanguinetti

An intuitive overview of the scalability of a variety of types of wireless networks is presented. Simple heuris- tic arguments are demonstrated here for scaling laws presented in other works, as well as for conditions not previously…

信息论 · 计算机科学 2016-11-26 Linda Zeger , Muriel Médard

Motivated by the needs of resiliency, scalability, and plug-and-play operation, distributed decision-making is becoming increasingly prevalent. The problem of achieving consensus in a multi-agent system is at the core of distributed…

分布式、并行与集群计算 · 计算机科学 2022-11-21 Vivek Khatana , Murti V. Salapaka

We provide tight upper and lower bounds on the noise resilience of interactive communication over noisy channels with feedback. In this setting, we show that the maximal fraction of noise that any robust protocol can resist is 1/3.…

数据结构与算法 · 计算机科学 2015-01-06 Klim Efremenko , Ran Gelles , Bernhard Haeupler

We consider a discrete-time linear quadratic Gaussian networked control setting where the (full information) observer and controller are separated by a fixed-rate noiseless channel. The minimal rate required to stabilize such a system has…

系统与控制 · 计算机科学 2018-09-14 Anatoly Khina , Yorie Nakahira , Yu Su , Hikmet Yıldız , Babak Hassibi

In the field of interactive coding, two or more parties wish to carry out a distributed computation over a communication network that may be noisy. The ultimate goal is to develop efficient coding schemes that can tolerate a high level of…

数据结构与算法 · 计算机科学 2022-08-04 Ran Gelles , Yael T. Kalai , Govind Ramnarayan

This paper presents a configurable version of Extreme Bandwidth Extension Network (EBEN), a Generative Adversarial Network (GAN) designed to improve audio captured with body-conduction microphones. We show that although these microphones…

音频与语音处理 · 电气工程与系统科学 2024-07-18 Julien Hauret , Thomas Joubaud , Véronique Zimpfer , Éric Bavu

In cooperative multi-agent reinforcement learning (MARL), well-designed communication protocols can effectively facilitate consensus among agents, thereby enhancing task performance. Moreover, in large-scale multi-agent systems commonly…

多智能体系统 · 计算机科学 2025-02-28 Xinran Li , Xiaolu Wang , Chenjia Bai , Jun Zhang

Recent progress in speech separation has been largely driven by advances in deep neural networks, yet their high computational and memory requirements hinder deployment on resource-constrained devices. A significant inefficiency in…

音频与语音处理 · 电气工程与系统科学 2025-07-09 Mohamed Elminshawi , Srikanth Raj Chetupalli , Emanuël A. P. Habets

We consider decentralized optimization problems where one aims to minimize a sum of convex smooth objective functions distributed between nodes in the network. The links in the network can change from time to time. For the setting when the…

最优化与控制 · 数学 2023-01-30 Dmitriy Metelev , Alexander Rogozin , Dmitry Kovalev , Alexander Gasnikov

This paper investigates the transceiver design problem in a noisy-sensing noisy-transmission multi-input multi-output (MIMO) wireless sensor network. Consider a cluster-based network, where multiple sensors scattering across several…

信息论 · 计算机科学 2015-09-21 Yang Liu , Jing Li , Xuanxuan Lu

This research presents a novel framework integrating Flexible-Duplex (FlexD) and Integrated Sensing and Communications (ISAC) technologies to address the challenges of spectrum efficiency and resource optimization in next-generation…

信号处理 · 电气工程与系统科学 2025-04-08 Tharaka Perera , Saman Atapattu , Chathuranga Weeraddana , Jamie Evans

The emergence of large-scale wireless networks with partially-observable and time-varying dynamics has imposed new challenges on the design of optimal control policies. This paper studies efficient scheduling algorithms for wireless…

网络与互联网体系结构 · 计算机科学 2023-08-08 Quang Minh Nguyen , Eytan Modiano

Relay networks having $n$ source-to-destination pairs and $m$ half-duplex relays, all operating in the same frequency band in the presence of block fading, are analyzed. This setup has attracted significant attention and several relaying…

信息论 · 计算机科学 2016-11-15 Shengshan Cui , Alexander M. Haimovich , Oren Somekh , H. Vincent Poor

We study how to scale distributed bandit submodular coordination under realistic communication constraints in bandwidth, data rate, and connectivity. We are motivated by multi-agent tasks of active situational awareness in unknown,…

系统与控制 · 电气工程与系统科学 2026-02-24 Zirui Xu , Vasileios Tzoumas

In decentralized optimization, multiple nodes in a network collaborate to minimize the sum of their local loss functions. The information exchange between nodes required for this task, is often limited by network connectivity. We consider a…

最优化与控制 · 数学 2021-10-07 Rajarshi Saha , Stefano Rini , Milind Rao , Andrea Goldsmith

In this paper, we develop an innovative approach to quantitatively characterize the performance of ultra-dense wireless networks in a plethora of propagation environments. The proposed framework has the potential of significantly…

信号处理 · 电气工程与系统科学 2020-07-15 Imene Trigui , Sofiene Affes , Marco Di Renzo , Dushantha Nalin K. Jayakody