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Deep neural networks have achieved great success in computer vision, speech recognition and many other areas. The potential of recurrent neural networks especially the Long Short-Term Memory (LSTM) for open set communication signal…

信号处理 · 电气工程与系统科学 2020-02-28 Youwei Guo , Hongyu Jiang , Jing Wu , Jie Zhou

Massive Multiple-Input Multiple-Output (massive MIMO) technology stands as a cornerstone in 5G and beyonds. Despite the remarkable advancements offered by massive MIMO technology, the extreme number of antennas introduces challenges during…

信号处理 · 电气工程与系统科学 2024-10-29 Do Hai Son , Vu Tung Lam , Tran Thi Thuy Quynh

We consider the use of deep neural network (DNN) to develop a decision-directed (DD)-channel estimation (CE) algorithm for multiple-input multiple-output (MIMO)-space-time block coded systems in highly dynamic vehicular environments. We…

信号处理 · 电气工程与系统科学 2019-01-14 Mehrtash Mehrabi , Mostafa Mohammadkarimi , Masoud Ardakani , Yindi Jing

Massive multiple input and multiple output (MIMO) systems with orthogonal frequency division multiplexing (OFDM) are foundational for downlink multi-user (MU) communication in future wireless networks, for their ability to enhance spectral…

信号处理 · 电气工程与系统科学 2025-07-30 Erdeng Zhang , Shuntian Zheng , Sheng Wu , Haoge Jia , Zhe Ji , Ailing Xiao

In this paper, we propose a deep unfolding neural network-based MIMO detector that incorporates complex-valued computations using Wirtinger calculus. The method, referred as Dynamic Partially Shrinkage Thresholding (DPST), enables…

机器学习 · 计算机科学 2025-07-30 Hangli Ge , Noboru Koshizuka

Complex objects are usually with multiple labels, and can be represented by multiple modal representations, e.g., the complex articles contain text and image information as well as multiple annotations. Previous methods assume that the…

机器学习 · 计算机科学 2021-04-20 Yang Yang , Zhao-Yang Fu , De-Chuan Zhan , Zhi-Bin Liu , Yuan Jiang

Deep Learning (DL) models tend to perform poorly when the data comes from a distribution different from the training one. In critical applications such as medical imaging, out-of-distribution (OOD) detection helps to identify such data…

图像与视频处理 · 电气工程与系统科学 2023-06-26 Daria Frolova , Anton Vasiliuk , Mikhail Belyaev , Boris Shirokikh

This paper presents a principled approach for detecting out-of-distribution (OOD) samples in deep neural networks (DNN). Modeling probability distributions on deep features has recently emerged as an effective, yet computationally cheap…

机器学习 · 计算机科学 2020-12-09 Ibrahima Ndiour , Nilesh Ahuja , Omesh Tickoo

Despite decades of development, existing IDSs still face challenges in improving detection accuracy, evasion, and detection of unknown attacks. To solve these problems, many researchers have focused on designing and developing IDSs that use…

密码学与安全 · 计算机科学 2025-01-28 Mofe O. Jeje

A promising waveform candidate for future joint sensing and communication systems is orthogonal frequencydivision multiplexing (OFDM). For such systems, supporting multiple transmit antennas requires multiplexing methods for the generation…

信息论 · 计算机科学 2023-03-23 Oliver Lang , Christian Hofbauer , Reinhard Feger , Mario Huemer

In the context of wireless communications, we propose a deep learning approach to learn the mapping from the instantaneous state of a frequency selective fading channel to the corresponding frame error probability (FEP) for an arbitrary set…

信号处理 · 电气工程与系统科学 2017-11-01 Vidit Saxena , Joakim Jaldén , Mats Bengtsson , Hugo Tullberg

We extend the idea of end-to-end learning of communications systems through deep neural network (NN)-based autoencoders to orthogonal frequency division multiplexing (OFDM) with cyclic prefix (CP). Our implementation has the same benefits…

信息论 · 计算机科学 2018-03-16 Alexander Felix , Sebastian Cammerer , Sebastian Dörner , Jakob Hoydis , Stephan ten Brink

Integrated sensing and communication (ISAC) is a headline feature for the forthcoming IMT-2030 and 6G releases, yet a concrete solution that fits within the established orthogonal frequency division multiplexing (OFDM) family remains open.…

信号处理 · 电气工程与系统科学 2025-06-23 Hyeonho Noh , Hyeonsu Lyu , Moe Z. Win , Hyun Jong Yang

The memory physics induced unknown offset of the channel is a critical and difficult issue to be tackled for many non-volatile memories (NVMs). In this paper, we first propose novel neural network (NN) detectors by using the multilayer…

信息论 · 计算机科学 2019-02-19 Zhen Mei , Kui Cai , Xingwei Zhong

In this study we present how to approach the problem of building efficient detectors for spectrally efficient frequency division multiplexing (SEFDM) systems. The superiority of residual convolution neural networks (CNNs) for these types of…

信号处理 · 电气工程与系统科学 2021-03-23 David Picard , Arsenia Chorti

In this paper, we investigate the design and implementation of machine learning (ML) based demodulation methods in the physical layer of visible light communication (VLC) systems. We build a flexible hardware prototype of an end-to-end VLC…

信号处理 · 电气工程与系统科学 2019-03-28 Shuai Ma , Jiahui Dai , Songtao Lu , Hang Li , Han Zhang , Chun Du , Shiyin Li

In this paper, we present a downlink pilot design scheme for Deep Learning (DL) based channel estimation (ChannelNet) in orthogonal frequency-division multiplexing (OFDM) systems. Specifically, in the proposed scheme, a feature selection…

信号处理 · 电气工程与系统科学 2020-03-23 Mehran Soltani , Vahid Pourahmadi , Hamid Sheikhzadeh

In this paper, we propose an orthogonal frequency division multiplexing (OFDM)-based generalized optical quadrature spatial modulation (GOQSM) technique for multiple-input multiple-output optical wireless communication (MIMO-OWC) systems.…

信号处理 · 电气工程与系统科学 2021-12-02 Chen Chen , Lin Zeng , Xin Zhong , Shu Fu , Min Liu , Pengfei Du

While deep neural networks (NN) significantly advance image compressed sensing (CS) by improving reconstruction quality, the necessity of training current CS NNs from scratch constrains their effectiveness and hampers rapid deployment.…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Bin Chen , Zhenyu Zhang , Weiqi Li , Chen Zhao , Jiwen Yu , Shijie Zhao , Jie Chen , Jian Zhang

In a K-best detector for multiple-input-multiple-output(MIMO) systems, the value of K needs to be sufficiently large to achieve near-maximum-likelihood (ML) performance. By treating K as a variable that can be adjusted according to a…

信号处理 · 电气工程与系统科学 2022-08-10 Haomiao Huo , Jindan Xu , Gege Su , Wei Xu , Ning Wang