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In distributed optimization, the practical problem-solving performance is essentially sensitive to algorithm selection, parameter setting, problem type and data pattern. Thus, it is often laborious to acquire a highly efficient method for a…

Optimization and Control · Mathematics 2024-01-04 Daokuan Zhu , Tianqi Xu , Jie Lu

Location is key to spatialize internet-of-things (IoT) data. However, it is challenging to use low-cost IoT devices for robust unsupervised localization (i.e., localization without training data that have known location labels). Thus, this…

Machine Learning · Computer Science 2020-04-10 You Li , Xin Hu , Yuan Zhuang , Zhouzheng Gao , Peng Zhang , Naser El-Sheimy

Deep Reinforcement Learning (DRL) has become a popular method for solving control problems in power systems. Conventional DRL encourages the agent to explore various policies encoded in a neural network (NN) with the goal of maximizing the…

Systems and Control · Electrical Eng. & Systems 2024-10-28 Tong Wu , Anna Scaglione , Daniel Arnold

We propose a deep reinforcement learning (DRL) approach for a full-duplex (FD) transmission that predicts the phase shifts of the reconfigurable intelligent surface (RIS), base station (BS) active beamformers, and the transmit powers to…

Information Theory · Computer Science 2024-06-21 Nancy Nayak , Sheetal Kalyani , Himal A. Suraweera

This study considers multiple reconfigurable intelligent surfaces (RISs)-aided multiuser downlink systems with the goal of jointly optimizing the transmitter precoding and RIS phase shift matrix to maximize spectrum efficiency. Unlike prior…

Information Theory · Computer Science 2025-10-01 Po-Heng Chou , Bo-Ren Zheng , Wan-Jen Huang , Walid Saad , Yu Tsao , Ronald Y. Chang

Cell-free network is considered as a promising architecture for satisfying more demands of future wireless networks, where distributed access points coordinate with an edge cloud processor to jointly provide service to a smaller number of…

Information Theory · Computer Science 2021-02-08 Weilai Li , Wanli Ni , Hui Tian , Meihui Hua

This paper proposes a learning aided gradient descent (LAGD) algorithm to solve the weighted sum rate (WSR) maximization problem for multiple-input single-output (MISO) beamforming. The proposed LAGD algorithm directly optimizes the…

Signal Processing · Electrical Eng. & Systems 2022-07-26 Zhixiong Yang , Jing-Yuan Xia , Junshan Luo , Shuanghui Zhang , Deniz Gündüz

In this paper, we provide a unified iteration complexity analysis for a family of general block coordinate descent (BCD) methods, covering popular methods such as the block coordinate gradient descent (BCGD) and the block coordinate…

Optimization and Control · Mathematics 2015-04-29 Mingyi Hong , Xiangfeng Wang , Meisam Razaviyayn , Zhi-Quan Luo

Incorporating various modes of information into the machine learning procedure is becoming a new trend. And data from various source can provide more information than single one no matter they are heterogeneous or homogeneous. Existing deep…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Xiao Wang , Tao Sun , Rui Yang , Chenglong Li , Bin Luo , Jin Tang

The cyclic block coordinate descent-type (CBCD-type) methods, which performs iterative updates for a few coordinates (a block) simultaneously throughout the procedure, have shown remarkable computational performance for solving strongly…

Optimization and Control · Mathematics 2017-11-23 Xingguo Li , Tuo Zhao , Raman Arora , Han Liu , Mingyi Hong

Dual Coordinate Descent (DCD) and Block Dual Coordinate Descent (BDCD) are important iterative methods for solving convex optimization problems. In this work, we develop scalable DCD and BDCD methods for the kernel support vector machines…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-27 Zishan Shao , Aditya Devarakonda

We study the joint active/passive beamforming and channel blocklength (CBL) allocation in a non-ideal reconfigurable intelligent surface (RIS)-aided ultra-reliable and low-latency communication (URLLC) system. The considered scenario is a…

Information Theory · Computer Science 2024-10-28 Ramin Hashemi , Samad Ali , Nurul Huda Mahmood , Matti Latva-aho

This paper investigates a deep reinforcement learning (DRL)-based approach for managing channel access in wireless networks. Specifically, we consider a scenario in which an intelligent user device (iUD) shares a time-varying uplink…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Abdul Basit , Muddasir Rahim , Georges Kaddoum , Tri Nhu Do , Nadir Adam

The delta-bar-delta algorithm is recognized as a learning rate adaptation technique that enhances the convergence speed of the training process in optimization by dynamically scheduling the learning rate based on the difference between the…

Machine Learning · Computer Science 2023-10-18 Zhao Song , Chiwun Yang

Dynamic distribution network reconfiguration (DNR) algorithms perform hourly status changes of remotely controllable switches to improve distribution system performance. The problem is typically solved by physical model-based control…

Systems and Control · Electrical Eng. & Systems 2020-06-24 Yuanqi Gao , Wei Wang , Jie Shi , Nanpeng Yu

Benefited from the advances of deep learning (DL) techniques, deep joint source-channel coding (JSCC) has shown its great potential to improve the performance of wireless transmission. However, most of the existing works focus on the…

Information Theory · Computer Science 2022-11-22 Kaiyi Chi , Qianqian Yang , Zhaohui Yang , Yiping Duan , Zhaoyang Zhang

Quantized deep neural networks (QDNNs) are attractive due to their much lower memory storage and faster inference speed than their regular full precision counterparts. To maintain the same performance level especially at low bit-widths,…

Machine Learning · Computer Science 2019-01-08 Penghang Yin , Shuai Zhang , Jiancheng Lyu , Stanley Osher , Yingyong Qi , Jack Xin

An online resource scheduling framework is proposed for minimizing the sum of weighted task latency for all the Internet of things (IoT) users, by optimizing offloading decision, transmission power and resource allocation in the large-scale…

Machine Learning · Computer Science 2020-04-16 Feibo Jiang , Kezhi Wang , Li Dong , Cunhua Pan , Kun Yang

This study addresses the challenge of resource scheduling optimization in edge-cloud collaborative computing using deep reinforcement learning (DRL). The proposed DRL-based approach improves task processing efficiency, reduces overall…

Machine Learning · Computer Science 2025-04-30 Yuqing Wang , Xiao Yang

In constrained reinforcement learning (C-RL), an agent seeks to learn from the environment a policy that maximizes the expected cumulative reward while satisfying minimum requirements in secondary cumulative reward constraints. Several…

Machine Learning · Computer Science 2022-12-06 Tianqi Zheng , Pengcheng You , Enrique Mallada