中文
相关论文

相关论文: Trainable Projected Gradient Detector for Massive …

200 篇论文

This paper investigates beam training for extremely large-scale multiple-input multiple-output systems. By considering both the near field and far field, a triple-refined hybrid-field beam training scheme is proposed, where high-accuracy…

信息论 · 计算机科学 2024-01-23 Kangjian Chen , Chenhao Qi , Octavia A. Dobre , Geoffrey Ye Li

Multiple-input multiple-output (MIMO) is a key ingredient of next-generation wireless communications. Recently, various MIMO signal detectors based on deep learning techniques and quantum(-inspired) algorithms have been proposed to improve…

信息论 · 计算机科学 2023-07-25 Satoshi Takabe

We study the expectation propagation (EP) algorithm for symbol detection in massive multiple-input multiple-output (MIMO) systems. The EP detector shows excellent performance but suffers from a high computational complexity due to the…

信息论 · 计算机科学 2024-08-23 Luca Schmid , Dominik Sulz , Laurent Schmalen

This paper proposes a deep learning approach to channel sensing and downlink hybrid beamforming for massive multiple-input multiple-output systems operating in the time division duplex mode and employing either single-carrier or…

信息论 · 计算机科学 2022-06-30 Kareem M. Attiah , Foad Sohrabi , Wei Yu

Deep neural networks (DNNs) were shown to facilitate the operation of uplink multiple-input multiple-output (MIMO) receivers, with emerging architectures augmenting modules of classic receiver processing. Current designs consider static…

信息论 · 计算机科学 2024-08-23 Tomer Raviv , Nir Shlezinger

Channel estimation is a critical task in digital communications that greatly impacts end-to-end system performance. In this work, we introduce a novel approach for multiple-input multiple-output (MIMO) channel estimation using score-based…

信号处理 · 电气工程与系统科学 2022-02-16 Marius Arvinte , Jonathan I Tamir

To compensate the loss from outdated channel state information in wideband massive multiple-input multipleoutput (MIMO) systems, channel prediction can be performed by leveraging the temporal correlation of wireless channels. Machine…

信息论 · 计算机科学 2022-08-10 Beomsoo Ko , Hwanjin Kim , Junil Choi

In this paper, channel estimation for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems with one-bit analog-to-digital converters (ADCs) is considered. In the mmWave band, the number of propagation paths is…

信号处理 · 电气工程与系统科学 2022-07-14 In-soo Kim , Junil Choi

The receiver design for multi-input multi-output (MIMO) ultra-reliable and low-latency communication (URLLC) systems can be a tough task due to the use of short channel codes and few pilot symbols. Consequently, error propagation can occur…

信号处理 · 电气工程与系统科学 2024-04-12 Yi Sun , Hong Shen , Bingqing Li , Wei Xu , Pengcheng Zhu , Nan Hu , Chunming Zhao

Many applications, especially in physics and other sciences, call for easily interpretable and robust machine learning techniques. We propose a fully gradient-based technique for training radial basis function networks with an efficient and…

机器学习 · 计算机科学 2022-09-30 Jussi Määttä , Viacheslav Bazaliy , Jyri Kimari , Flyura Djurabekova , Kai Nordlund , Teemu Roos

We propose a method (TT-GP) for approximate inference in Gaussian Process (GP) models. We build on previous scalable GP research including stochastic variational inference based on inducing inputs, kernel interpolation, and structure…

机器学习 · 计算机科学 2018-01-18 Pavel Izmailov , Alexander Novikov , Dmitry Kropotov

This letter presents a novel detection strategy for Spatially-Multiplexed Generalized Spatial Modulation systems. It is a multi-stage detection that produces a list of candidates of the transmitted signal vector, sorted according to the…

信息论 · 计算机科学 2015-04-21 João Cal-Braz , Raimundo Sampaio-Neto

Multi-input multi-output orthogonal frequency division multiplexing (MIMO OFDM) is a key technology for mobile communication systems. However, due to the issue of high peak-to-average power ratio (PAPR), the OFDM symbols may suffer from…

信号处理 · 电气工程与系统科学 2021-06-01 Liangyuan Xu , Feifei Gao , Wei Zhang , Shaodan Ma

Training beam design for channel estimation with infinite-resolution and low-resolution phase shifters (PSs) in hybrid analog-digital milimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems is considered in this paper.…

信号处理 · 电气工程与系统科学 2025-06-03 Xiaochun Ge , Wenqian Shen , Chengwen Xing , Lian Zhao , Jianping An

In this paper, we investigate jointly sparse signal recovery and jointly sparse support recovery in Multiple Measurement Vector (MMV) models for complex signals, which arise in many applications in communications and signal processing.…

信号处理 · 电气工程与系统科学 2020-09-09 Ying Cui , Shuaichao Li , Wanqing Zhang

A dynamic and flexible generalized spatial modulation (GSM) framework is proposed for massive MIMO systems. Our framework is leveraged on the utilization of machine learning methods for GSM in order to improve the error performance in…

信号处理 · 电气工程与系统科学 2019-03-12 Selen Gecgel , Caner Goztepe , Gunes Karabulut Kurt

Privacy-preserving training on sensitive data commonly relies on differentially private stochastic optimization with gradient clipping and Gaussian noise. The clipping threshold is a critical control knob: if set too small, systematic…

机器学习 · 计算机科学 2026-02-12 Mohammad Partohaghighi , Roummel Marcia , Bruce J. West , YangQuan Chen

Expectation Propagation (EP)-based Multiple-Input Multiple-Output (MIMO) detector is regarded as a state-of-the-art MIMO detector because of its exceptional performance. However, we find that the EP MIMO detector cannot guarantee to achieve…

信号处理 · 电气工程与系统科学 2020-10-21 Hang Chen , Guoqiang Yao , Jianhao Hu

Millimeter Wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems realizing directive beamforming require reliable estimation of the wireless propagation channel. However, mmWave channels are characterized by high variability…

信息论 · 计算机科学 2019-06-07 Evangelos Vlachos , George C. Alexandropoulos , John Thompson

Massive multiple-input multiple-output (MIMO) promises improved spectral efficiency, coverage, and range, compared to conventional (small-scale) MIMO wireless systems. Unfortunately, these benefits come at the cost of significantly…

信息论 · 计算机科学 2016-11-17 Bei Yin , Michael Wu , Joseph R. Cavallaro , Christoph Studer