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Federated Learning (FL) is a distributed machine learning (ML) paradigm, aiming to train a global model by exploiting the decentralized data across millions of edge devices. Compared with centralized learning, FL preserves the clients'…

分布式、并行与集群计算 · 计算机科学 2023-08-15 Bocheng Chen , Nikolay Ivanov , Guangjing Wang , Qiben Yan

When operating massive multiple-input multiple-output (MIMO) systems with uplink (UL) and downlink (DL) channels at different frequencies (frequency division duplex (FDD) operation), acquisition of channel state information (CSI) for…

信息论 · 计算机科学 2022-09-23 Florian Euchner , Niklas Süppel , Marc Gauger , Sebastian Dörner , Stephan ten Brink

Efficient channel state information (CSI) compression is essential in frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems due to the substantial feedback overhead. Recently, deep learning-based…

信息论 · 计算机科学 2026-05-19 Mehdi Sattari , Deniz Gündüz , Tommy Svensson

Federated learning (FL) is a privacy preserving machine learning paradigm designed to collaboratively learn a global model without data leakage. Specifically, in a typical FL system, the central server solely functions as an coordinator to…

机器学习 · 计算机科学 2024-12-17 Hangyu Zhu , Yuxiang Fan , Zhenping Xie

In the era of advanced technologies, mobile devices are equipped with computing and sensing capabilities that gather excessive amounts of data. These amounts of data are suitable for training different learning models. Cooperated with…

机器学习 · 计算机科学 2020-04-07 Muhammad Asad , Ahmed Moustafa , Takayuki Ito , Muhammad Aslam

Deep learning (DL)-based channel state information (CSI) feedback has the potential to improve the recovery accuracy and reduce the feedback overhead in massive multiple-input multiple-output orthogonal frequency division multiplexing…

信号处理 · 电气工程与系统科学 2024-08-14 Hongrui Shen , Long Zhao , Kan Zheng , Yuhua Cao , Pingzhi Fan

In massive multiple-input multiple-output (MIMO) systems, the user equipment (UE) needs to feed the channel state information (CSI) back to the base station (BS) for the following beamforming. But the large scale of antennas in massive MIMO…

信息论 · 计算机科学 2022-11-10 Xudong Zhang , Zhilin Lu , Rui Zeng , Jintao Wang

In this paper, we propose an Expectation-Maximization-based (EM) Personalized Federated Learning (PFL) framework for multi-objective optimization (MOO) in Integrated Sensing and Communication (ISAC) systems. In contrast to standard…

信号处理 · 电气工程与系统科学 2025-10-09 Zhou Ni , Sravan Reddy Chintareddy , Peiyuan Guan , Morteza Hashemi

Channel state information (CSI) at transmitter is crucial for massive MIMO downlink systems to achieve high spectrum and energy efficiency. Existing works have provided deep learning architectures for CSI feedback and recovery at the…

信号处理 · 电气工程与系统科学 2022-04-21 Yu-Chien Lin , Ta-Sung Lee , Zhi Ding

In the last decade, data-driven algorithms outperformed traditional optimization-based algorithms in many research areas, such as computer vision, natural language processing, etc. However, extensive data usages bring a new challenge or…

机器学习 · 计算机科学 2021-12-02 Shih-Chun Lin , Chia-Hung Lin

Beamforming design for intelligent reflecting surface (IRS)-assisted multi-user communication (IRS-MUC) systems critically depends on the acquisition of accurate channel state information (CSI). However, channel estimation (CE) in IRS-MUC…

信号处理 · 电气工程与系统科学 2022-11-24 Chang Liu , Xuemeng Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Robert Schober

Massive multiple-input multiple-output (MIMO) systems are a main enabler of the excessive throughput requirements in 5G and future generation wireless networks as they can serve many users simultaneously with high spectral and energy…

信息论 · 计算机科学 2021-02-15 Mahdi Boloursaz Mashhadi , Deniz Gündüz

In this paper, we propose a novel method for efficient implementation of a massive Multiple-Input Multiple-Output (massive MIMO) system with Frequency Division Duplexing (FDD) operation. Our main objective is to reduce the large overhead…

信息论 · 计算机科学 2017-10-24 Mahdi Barzegar Khalilsarai , Saeid Haghighatshoar , Xinping Yi , Giuseppe Caire

Federated Edge Learning (FEL) has emerged as a promising approach for enabling edge devices to collaboratively train machine learning models while preserving data privacy. Despite its advantages, practical FEL deployment faces significant…

机器学习 · 计算机科学 2024-10-15 Quyang Pan , Sheng Sun , Zhiyuan Wu , Yuwei Wang , Min Liu , Bo Gao , Jingyuan Wang

Deep Learning (DL)-based channel state information (CSI) feedback is a promising technique for the transmitter to accurately acquire the CSI of massive multiple-input multiple-output (MIMO) systems. As critical concerns about DL-based…

信号处理 · 电气工程与系统科学 2023-05-04 Haozhen Li , Xinyu Gu , Boyuan Zhang , Dongliang Li , Zhenyu Liu , Lin Zhang

Federated edge learning (FEEL) provides a promising foundation for edge artificial intelligence (AI) by enabling collaborative model training while preserving data privacy. However, limited and heterogeneous local datasets, as well as…

机器学习 · 计算机科学 2025-12-01 Xinnong Du , Zhonghao Lyu , Xiaowen Cao , Chunyang Wen , Shuguang Cui , Jie Xu

Unlike the time-division duplexing (TDD) systems, the downlink (DL) and uplink (UL) channels are not reciprocal anymore in the case of frequency-division duplexing (FDD). However, some long-term parameters, e.g. the time delays and angles…

信息论 · 计算机科学 2017-08-02 Xiliang Luo , Penghao Cai , Xiaoyu Zhang , Die Hu , Cong Shen

In order to achieve reliable communication with a high data rate of massive multiple-input multiple-output (MIMO) systems in frequency division duplex (FDD) mode, the estimated channel state information (CSI) at the receiver needs to be fed…

信息论 · 计算机科学 2021-12-14 J. Guo , L. Wang , F. Li , J. Xue

In this paper, we investigate how to deploy computational intelligence and deep learning (DL) in edge-enabled industrial IoT networks. In this system, the IoT devices can collaboratively train a shared model without compromising data…

机器学习 · 计算机科学 2021-10-29 Shunpu Tang , Lunyuan Chen , Ke HeJunjuan Xia , Lisheng Fan , Arumugam Nallanathan

While federated learning (FL) eliminates the transmission of raw data over a network, it is still vulnerable to privacy breaches from the communicated model parameters. Differential privacy (DP) is often employed to address such issues.…

网络与互联网体系结构 · 计算机科学 2025-12-03 Evan Chen , Frank Po-Chen Lin , Dong-Jun Han , Christopher G. Brinton