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In the evolution towards the forthcoming era of sixth-generation (6G) mobile communication systems characterized by ubiquitous intelligence, integrated sensing and communication (ISAC) is in a phase of burgeoning development. However, the…

信号处理 · 电气工程与系统科学 2025-01-17 Haotian Liu , Zhiqing Wei , Jinghui Piao , Huici Wu , Xingwang Li , Zhiyong Feng

This paper considers weighted sum rate maximization of multiuser multiple-input single-output interference channel (MISO-IFC) under outage constraints. The outage-constrained weighted sum rate maximization problem is a nonconvex…

信息论 · 计算机科学 2010-10-25 Wei-Chiang Li , Tsung-Hui Chang , Che Lin , Chong-Yung Chi

Interference alignment (IA) is a promising technique to efficiently mitigate interference and to enhance the capacity of a wireless communication network. This paper proposes a grouping-based interference alignment (GIA) with optimized…

信息论 · 计算机科学 2015-11-20 Pan Cao , Alessio Zappone , Eduard A. Jorswieck

A non-orthogonal multiple access (NOMA) inspired integrated sensing and communication (ISAC) system is investigated. A dual-functional base station (BS) serves multiple communication users while sensing multiple targets, by transmitting the…

信息论 · 计算机科学 2021-12-20 Zhaolin Wang , Yuanwei Liu , Xidong Mu , Zhiguo Ding

Intelligent reflecting surface (IRS) has recently been recognized as a promising technology to enhance the energy and spectrum efficiency of wireless networks by controlling the wireless medium with the configurable electromagnetic…

信号处理 · 电气工程与系统科学 2019-07-02 Min Fu , Yong Zhou , Yuanming Shi

Integrated sensing and communication (ISAC) has emerged as a pivotal technology for next-generation wireless networks, enabling simultaneous data transmission and environmental sensing. However, existing ISAC systems face fundamental…

信号处理 · 电气工程与系统科学 2026-02-18 Amirhossein Taherpour , Abbas Taherpour , Tamer Khattab

Intelligent reflecting surfaces (IRSs) constitute a disruptive wireless communication technique capable of creating a controllable propagation environment. In this paper, we propose to invoke an IRS at the cell boundary of multiple cells to…

信号处理 · 电气工程与系统科学 2020-04-27 Cunhua Pan , Hong Ren , Kezhi Wang , Wei Xu , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

In this paper, we investigate a multi-cell six-dimensional movable antenna (6DMA) network for enhancing downlink communication performance under inter-cell interference (ICI). Each base station (BS) is equipped with multiple 6DMA surfaces,…

信息论 · 计算机科学 2026-05-22 Qijun Jiang , Xiaodan Shao , Rui Zhang

Unmanned aerial vehicles (UAVs) have attracted significant interest recently in wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper studies a UAV-enabled wireless network where the UAV is…

信息论 · 计算机科学 2017-04-10 Qingqing Wu , Yong Zeng , Rui Zhang

This work proposes an implementable proximal-type method for a broad class of optimization problems involving nonsmooth and nonconvex objective and constraint functions. In contrast to existing methods that rely on an ad hoc model…

最优化与控制 · 数学 2024-09-26 Gregorio M. Sempere , Welington de Oliveira , Johannes O. Royset

In this paper, we propose a double iteratively reweighted algorithm to solve nonconvex and nonsmooth optimization problems, where both the objectives and constraint functions are formulated by concave compositions to promote group-sparse…

最优化与控制 · 数学 2025-11-25 Wanqin Nie , Kai Tu , Minglu Ye , Shuqin Sun

In this paper, we investigate resource allocation design for unmanned aerial vehicle (UAV)-enabled communication systems, where a UAV is dispatched to provide communications to multiple user nodes. Our objective is to maximize the…

信息论 · 计算机科学 2018-09-06 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Nan Yang , Jinhong Yuan , Jianping An

We introduce a reduced-communication distributed optimization scheme based on estimating the solution to a proximal minimization problem. Our proposed setup involves a group of agents coordinated by a central entity, altogether operating in…

最优化与控制 · 数学 2018-07-10 Giorgos Stathopoulos , Colin N. Jones

This paper tackles the sensing-communication trade-off in integrated sensing and communication (ISAC)-empowered subnetworks for mono-static target localization. We propose a low-complexity iterative node selection algorithm that exploits…

信号处理 · 电气工程与系统科学 2025-11-18 Mostafa Nozari , Israel Leyva-Mayorga , Fabio Saggese , Gilberto Berardinelli

This paper introduces a novel approach to solving multi-block nonconvex composite optimization problems through a proximal linearized Alternating Direction Method of Multipliers (ADMM). This method incorporates an Increasing Penalization…

最优化与控制 · 数学 2025-04-01 Ganzhao Yuan

This manuscript develops a new framework to analyze and design iterative optimization algorithms built on the notion of Integral Quadratic Constraints (IQC) from robust control theory. IQCs provide sufficient conditions for the stability of…

最优化与控制 · 数学 2021-05-27 Laurent Lessard , Benjamin Recht , Andrew Packard

Cognitive radio networks (CRNs) is the next generation of wireless communication. This type of network requires efficent spectrum allocation methods. This paper presents a new meta-heuristic evolutionary method for solving the channel…

网络与互联网体系结构 · 计算机科学 2020-08-04 Mahboobeh Parsapoor , Urban Bilstrup

In this paper, we consider a reconfigurable intelligence surface (RIS) aided uplink multiuser multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) system, where the receiver is assumed to conduct low-complexity…

信息论 · 计算机科学 2022-08-31 Mingyang Yue , Lei Liu , Xiaojun Yuan

In this work, we focus on separable convex optimization problems with box constraints and a set of triangular linear constraints. The solution is given in closed-form as a function of some Lagrange multipliers that can be computed through…

信息论 · 计算机科学 2015-06-22 Antonio A. D'Amico , Luca Sanguinetti , Daniel P. Palomar

We describe several features of parallel or distributed asynchronous iterative algorithms such as unbounded delays, possible out of order messages or flexible communication. We concentrate on the concept of macroiteration sequence which was…

分布式、并行与集群计算 · 计算机科学 2022-10-11 Didier El Baz
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