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This paper analyzes the performance of the 3rd Generation Partnership Project (3GPP)-inspired multi-cell wideband single-hop backhaul millimeter-wave-in-band-full-duplex (IBFD)-integrated access and backhaul (IAB) networks by using…

Information Theory · Computer Science 2024-04-08 Junkai Zhang , Tharmalingam Ratnarajah

Joint admission control and power minimization are critical challenges in intelligent reflecting surface (IRS)-assisted networks. Traditional methods often rely on \( l_1 \)-norm approximations and alternating optimization (AO) techniques,…

Signal Processing · Electrical Eng. & Systems 2025-11-21 Weijie Xiong , Jingran Lin , Zhiling Xiao , Qiang Li , Yuhan Zhang

To address the challenge of the renewable energy uncertainty, the ISO New England (ISO-NE) has proposed to apply do-not-exceed (DNE) limits, which represent the maximum nodal injection of renewable energy the grid can accommodate.…

Optimization and Control · Mathematics 2018-08-07 Hongyan Ma , Ruiwei Jiang , Zheng Yan

Throughput optimization of optical communication systems is a key challenge for current optical networks. The use of gain-flattening filters (GFFs) simplifies the problem at the cost of insertion loss, higher power consumption and…

Machine Learning · Computer Science 2021-10-01 Metodi Plamenov Yankov , Pawel Marcin Kaminski , Henrik Enggaard Hansen , Francesco Da Ros

Recent advancements in quantization and mixed-precision approaches offers substantial opportunities to improve the speed and energy efficiency of Neural Networks (NN). Research has shown that individual parameters with varying low…

Hardware Architecture · Computer Science 2024-08-14 Giorgos Armeniakos , Alexis Maras , Sotirios Xydis , Dimitrios Soudris

This paper investigates robust and secure multiuser multiple-input single-output (MISO) downlink communications assisted by a self-sustainable intelligent reflection surface (IRS), which can simultaneously reflect and harvest energy from…

Information Theory · Computer Science 2021-08-05 Shaokang Hu , Zhiqiang Wei , Yuanxin Cai , Chang Liu , Derrick Wing Kwan Ng , Jinhong Yuan

This paper investigates a multi-intelligent reflecting surface (IRS) aided integrated sensing and communication (ISAC) system, where multiple IRSs are strategically deployed not only to assist the communication from a multi-antenna base…

Information Theory · Computer Science 2025-06-30 Guangji Chen , Qingqing Wu , Shihang Lu , Meng Hua , Wen Chen

This letter shows that optimizing the transmit powers along with optimally designed nonorthogonal pilots can significantly reduce pilot contamination and improve the overall throughput of the uplink multi-cell massive multiple-input…

Information Theory · Computer Science 2019-12-24 Xihan Chen , Kaiming Shen , Hei Victor Cheng , An Liu , Wei Yu , Min-Jian Zhao

In this paper, we examine the fundamental trade-off between radiated power and achieved throughput in wireless multi-carrier, multiple-input and multiple-output (MIMO) systems that vary with time in an unpredictable fashion (e.g. due to…

Information Theory · Computer Science 2015-03-10 Ioannis Stiakogiannakis , Panayotis Mertikopoulos , Corinne Touati

To mitigate the residual interference from imperfect successive interference cancellation (SIC) in Rate-Splitting Multiple Access (RSMA), this paper incorporates improper Gaussian signaling (IGS) into the downlink RSMA framework. Unlike…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Wanting Shi , Hao Cheng , Zhe Li , Yili Xia , Wenjiang Pei

In this paper, a game-theoretic model for studying power control for wireless data networks in frequency-selective multipath environments is analyzed. The uplink of an impulse-radio ultrawideband system is considered. The effects of…

Information Theory · Computer Science 2009-11-13 Giacomo Bacci , Marco Luise , H. Vincent Poor , Antonia M. Tulino

We investigate and solve the rate balancing problem in the downlink for a multiuser Multiple-Input-Multiple-Output (MIMO) system. In particular, we adopt a transceiver structure to maximize the worst-case rate of the user while satisfying a…

Signal Processing · Electrical Eng. & Systems 2019-06-14 Imene Ghamnia , Dirk Slock , Yi Yuan-Wu

Budget allocation for power system reliability improvement is considered among the sophisticated problems because of its nonlinear nature. This nonlinearity makes the problem intractable for large-scale power systems. This paper compares…

Signal Processing · Electrical Eng. & Systems 2019-01-08 Hamzeh Davarikia , Masoud Barati , Yupo Chan , Kamran Iqbal

The performance of a cellular network can be significantly improved by employing many base stations (BSs), which shortens transmission distances. However, there exist no known results on quantifying the performance gains from deploying many…

Networking and Internet Architecture · Computer Science 2012-04-09 Seunghyun Lee , Kaibin Huang

Large reflecting surface (LRS) has emerged as a new solution to improve the energy and spectrum efficiency of wireless communication system. Most existing studies were conducted with an assumption of ideal hardware, and the impact of…

Information Theory · Computer Science 2020-04-22 Yiming Liu , Erwu Liu , Rui Wang , Yuanzhe Geng

The envisioned robotic aerial base station (RABS) concept is expected to bring further flexibility to integrated sensing and communication (ISAC) systems. In this letter, characterizing the spatial traffic distribution on a grid-based…

Networking and Internet Architecture · Computer Science 2023-07-07 Yuan Liao , Vasilis Friderikos , Halim Yanikomeroglu

This paper derives upper and lower bounds on the capacity of the multiple-input single-output free-space optical intensity channel with signal-independent additive Gaussian noise subject to both an average-intensity and a peak-intensity…

Information Theory · Computer Science 2017-10-26 Stefan M. Moser , Ligong Wang , Michèle Wigger

This paper examines the integrated generation and transmission expansion planning problem to address the growing challenges associated with increasing power network loads. The proposed approach optimizes the operation and investment costs…

Systems and Control · Electrical Eng. & Systems 2024-10-22 Arash Baharvandi , Duong Tung Nguyen

Intelligent reflect surface (IRS) is a potential technology to build programmable wireless environment in future communication systems. In this paper, we consider an IRS-assisted multi-base station (multi-BS) multi-user millimeter wave…

Information Theory · Computer Science 2020-11-04 Dan Zhao , Hancheng Lu , Yazheng Wang , Huan Sun , Yongqiang Gui

We propose a novel approach to enable the coexistence between Multi-Input-Multi-Output (MIMO) radar and downlink multi-user Multi-Input-Single-Output (MU-MISO) communication system. By exploiting the constructive multi-user interference…

Information Theory · Computer Science 2017-05-01 Fan Liu , Christos Masouros , Ang Li , Tharmalingam Ratnarajah , Jianming Zhou