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End-to-End (E2E) learning-based concept has been recently introduced to jointly optimize both the transmitter and the receiver in wireless communication systems. Unfortunately, this E2E learning architecture requires a prior differentiable…

Networking and Internet Architecture · Computer Science 2023-08-08 Bolun Zhang , Nguyen Van Huynh

In general, a multi-objective optimization problem does not have a single optimal solution but a set of Pareto optimal solutions, which forms the Pareto front in the objective space. Various evolutionary algorithms have been proposed to…

Neural and Evolutionary Computing · Computer Science 2020-06-16 Hisao Ishibuchi , Lie Meng Pang , Ke Shang

Future wireless communications are largely inclined to deploy massive numbers of antennas at the base stations (BSs) by leveraging cost- and energy-efficient as well as environmentally friendly antenna arrays. The emerging technology of…

Information Theory · Computer Science 2023-01-11 Li You , Jie Xu , George C. Alexandropoulos , Jue Wang , Wenjin Wang , Xiqi Gao

We present a framework leveraging a novel variant of the model-based diffusion algorithm to minimize the time required for a redundant dual-arm robot configuration to follow a desired relative Cartesian path. Our prior work proposed a…

Robotics · Computer Science 2026-04-21 Jushan Chen , Jonathan Fried , Santiago Paternain

Six-dimensional movable antenna (6DMA) is an innovative technology to improve wireless network capacity by adjusting 3D positions and 3D rotations of antenna surfaces based on channel spatial distribution. However, the existing works on…

Signal Processing · Electrical Eng. & Systems 2024-12-09 Xiaodan Shao , Rui Zhang , Qijun Jiang , Jihong Park , Tony Q. S. Quek , Robert Schober

We experimentally demonstrate a Purcell effect-based design technique for improved impedance matching, and thus enhanced radiation efficiency from a small microwave emitter. Using an iterative process centred on comparing the phase of the…

Applied Physics · Physics 2022-09-29 L. D. Stanfield , A. W. Powell , S. A. R. Horsley , J. R. Sambles , A. P. Hibbins

This paper presents an innovative movable antenna (MA)-enhanced multi-user multiple-input multiple-output (MIMO) downlink system. We aim to maximize the energy efficiency (EE) under statistical channel state information (S-CSI) through a…

Information Theory · Computer Science 2025-09-16 Xintai Chen , Biqian Feng , Yongpeng Wu , Xiang-Gen Xia , Chengshan Xiao

Improving competent robot policies with on-policy RL is often hampered by noisy, low-signal gradients. We revisit Evolution Strategies (ES) as a policy-gradient proxy and localize exploration with bounded, antithetic triangular…

Machine Learning · Computer Science 2025-11-17 Ethan Hirschowitz , Fabio Ramos

The dispatch optimization of coal mine integrated energy system is challenging due to high dimensionality, strong coupling constraints, and multiobjective. Existing constrained multiobjective evolutionary algorithms struggle with locating…

Neural and Evolutionary Computing · Computer Science 2024-07-02 Canyun Dai , Xiaoyan Sun , Hejuan Hu , Wei Song , Yong Zhang , Dunwei Gong

Differential evolution (DE) is a well-known type of evolutionary algorithms (EA). Similarly to other EA variants it can suffer from small populations and loose diversity too quickly. This paper presents a new approach to mitigate this…

Neural and Evolutionary Computing · Computer Science 2020-02-10 Jakub M. Tomczak , Ewelina Weglarz-Tomczak , Agoston E. Eiben

The array gain of a superdirective antenna array can be proportional to the square of the number of antennas. However, the realization of the so-called superdirectivity entails accurate calculation and application of the excitations.…

Signal Processing · Electrical Eng. & Systems 2023-07-06 Jingcheng Xie , Haifan Yin , Liangcheng Han

Evolutionary strategies have recently been shown to achieve competing levels of performance for complex optimization problems in reinforcement learning. In such problems, one often needs to optimize an objective function subject to a set of…

Neural and Evolutionary Computing · Computer Science 2022-02-23 Youssef Diouane , Aurelien Lucchi , Vihang Patil

In this paper, we study the problem of global reward maximization with only partial distributed feedback. This problem is motivated by several real-world applications (e.g., cellular network configuration, dynamic pricing, and policy…

Machine Learning · Computer Science 2024-03-22 Fengjiao Li , Xingyu Zhou , Bo Ji

In orthogonal time-frequency space communications, the performances of existing on-grid and off-grid channel estimation (CE) schemes are determined by the delay-Doppler (DD) grid density. In practice, multiple real-life DD channel responses…

Signal Processing · Electrical Eng. & Systems 2024-09-27 Xiangjun Li , Pingzhi Fan , Qianli Wang , Zilong Liu

For the last thirty years, several Dynamic Memory Managers (DMMs) have been proposed. Such DMMs include first fit, best fit, segregated fit and buddy systems. Since the performance, memory usage and energy consumption of each DMM differs,…

Neural and Evolutionary Computing · Computer Science 2024-07-16 José L. Risco-Martín , David Atienza , J. Manuel Colmenar , Oscar Garnica

Reconfigurable intelligent surfaces (RISs) enhance unmanned aerial vehicles (UAV)-assisted communication by extending coverage, improving efficiency, and enabling adaptive beamforming. This paper investigates a multiple-input single-output…

Information Theory · Computer Science 2025-10-28 Mahmoud M. Salim , Khaled M. Rabie , Ali H. Muqaibel

Diffusion-based generative graph models have been proven effective in generating high-quality small graphs. However, they need to be more scalable for generating large graphs containing thousands of nodes desiring graph statistics. In this…

Machine Learning · Computer Science 2023-06-01 Xiaohui Chen , Jiaxing He , Xu Han , Li-Ping Liu

This paper proposes an original adaptive refinement framework using Radial Basis Functions-generated Finite Differences method. Node distributions are generated with a Poisson Disk Sampling-based algorithm from a given continuous density…

Numerical Analysis · Mathematics 2020-05-12 Jure Slak , Gregor Kosec

Connections between Deep Neural Networks (DNNs) training and optimal control theory has attracted considerable attention as a principled tool of algorithmic design. Differential Dynamic Programming (DDP) neural optimizer is a recently…

Machine Learning · Computer Science 2020-07-20 Guan-Horng Liu , Tianrong Chen , Evangelos A. Theodorou

Despite rapid advancements in sensor networks, conventional battery-powered sensor networks suffer from limited operational lifespans and frequent maintenance requirements that severely constrain their deployment in remote and inaccessible…

Networking and Internet Architecture · Computer Science 2025-10-27 Bowei Tong , Hui Kang , Jiahui Li , Geng Sun , Jiacheng Wang , Yaoqi Yang , Bo Xu , Dusit Niyato