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In this paper, we develop a dynamic detection network (DDNet) based detector for multiple-input multiple-output (MIMO) systems. By constructing an improved DetNet (IDetNet) detector and the OAMPNet detector as two independent network…

信号处理 · 电气工程与系统科学 2021-11-25 Yuwen Yang , Feifei Gao , Jiang Xue , Ting Zhou , Zongben Xu

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

The Dual-Path Convolution Recurrent Network (DPCRN) was proposed to effectively exploit time-frequency domain information. By combining the DPRNN module with Convolution Recurrent Network (CRN), the DPCRN obtained a promising performance in…

声音 · 计算机科学 2023-06-16 Liang Wan , Hongqing Liu , Yi Zhou , Jie Ji

One of the most important tasks in network management is identifying different types of traffic flows. As a result, a type of management service, called Network Traffic Classifier (NTC), has been introduced. One type of NTCs that has gained…

网络与互联网体系结构 · 计算机科学 2019-01-03 Ramin Hasibi , Matin Shokri , Mehdi Dehghan

Semantic segmentation is an essential part of deep learning. In recent years, with the development of remote sensing big data, semantic segmentation has been increasingly used in remote sensing. Deep convolutional neural networks (DCNNs)…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Xuan Yang , Shanshan Li , Zhengchao Chen , Jocelyn Chanussot , Xiuping Jia , Bing Zhang , Baipeng Li , Pan Chen

We consider downlink (DL) channel estimation for frequency division duplex based massive MIMO systems under the multipath model. Our goal is to provide fast and accurate channel estimation from a small amount of DL training overhead. Prior…

信号处理 · 电气工程与系统科学 2019-10-23 Cheng Qian , Xiao Fu , Nicholas D. Sidiropoulos

A neural network is essentially a high-dimensional complex mapping model by adjusting network weights for feature fitting. However, the spectral bias in network training leads to unbearable training epochs for fitting the high-frequency…

信号处理 · 电气工程与系统科学 2021-06-22 Zhi Zeng , Pengpeng Shi , Fulei Ma , Peihan Qi

Fast and accurate waveform simulation is critical for understanding fiber channel characteristics, developing digital signal processing (DSP) technologies, optimizing optical network configurations, and advancing the optical fiber…

信号处理 · 电气工程与系统科学 2025-11-04 Minghui Shi , Hang Yang , Zekun Niu , Chuyan Zeng , Junzhe Xiao , Yunfan Zhang , Mingzhe Chen , Weisheng Hu , Lilin Yi

Deep neural networks have achieved remarkable success in computer vision tasks. Existing neural networks mainly operate in the spatial domain with fixed input sizes. For practical applications, images are usually large and have to be…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Kai Xu , Minghai Qin , Fei Sun , Yuhao Wang , Yen-Kuang Chen , Fengbo Ren

Enabling On-Device Learning (ODL) for Ultra-Low-Power Micro-Controller Units (MCUs) is a key step for post-deployment adaptation and fine-tuning of Deep Neural Network (DNN) models in future TinyML applications. This paper tackles this…

机器学习 · 计算机科学 2023-05-31 Davide Nadalini , Manuele Rusci , Luca Benini , Francesco Conti

A new model for sparse time dispersive channels in pilot aided OFDM systems is developed by considering prior knowledge on channel time dispersions. Weighted atomic norm minimization is implemented in the model which enables a more accurate…

信息论 · 计算机科学 2018-10-26 Hoomaan Hezaveh , Iman Valiulahi , Mohammad Hossein Kahaei

Recent years have witnessed the unprecedented rising of time series from almost all kindes of academic and industrial fields. Various types of deep neural network models have been introduced to time series analysis, but the important…

机器学习 · 计算机科学 2018-06-26 Jingyuan Wang , Ze Wang , Jianfeng Li , Junjie Wu

Decision-directed channel estimation (DDCE) is one kind of blind channel estimation method that tracks the channel blindly by an iterative algorithm without relying on the pilots, which can increase the utilization of wireless resource.…

信号处理 · 电气工程与系统科学 2024-02-20 Xun Wang , Xin Xie , Cunqing Hua , Jianan Hong , Pengwenlong Gu

It has been proven that, compared to using 32-bit floating-point numbers in the training phase, Deep Convolutional Neural Networks (DCNNs) can operate with low precision during inference, thereby saving memory space and power consumption.…

人工智能 · 计算机科学 2022-10-03 Binyi Wu , Bernd Waschneck , Christian Georg Mayr

In this paper, a deep convolutional neural network-based symbol detection and demodulation is proposed for generalized frequency division multiplexing with index modulation (GFDM-IM) scheme in order to improve the error performance of the…

信号处理 · 电气工程与系统科学 2022-02-08 Merve Turhan , Ersin Öztürk , Hakan Ali Çırpan

Time series analysis is critical for emerging net- work intelligent control and management functions. However, existing statistical-based and shallow machine learning models have shown limited prediction capabilities on multivariate time…

机器学习 · 计算机科学 2026-03-13 Yufeng Xin , Ethan Fan

Machine learning applied to computer vision and signal processing is achieving results comparable to the human brain on specific tasks due to the great improvements brought by the deep neural networks (DNN). The majority of state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2020-06-30 José Augusto Stuchi , Levy Boccato , Romis Attux

An efficient data-driven prediction strategy for multi-antenna frequency-selective channels must operate based on a small number of pilot symbols. This paper proposes novel channel prediction algorithms that address this goal by integrating…

信号处理 · 电气工程与系统科学 2022-03-25 Sangwoo Park , Osvaldo Simeone

Performing a real-time and accurate instrument segmentation from videos is of great significance for improving the performance of robotic-assisted surgery. We identify two important clues for surgical instrument perception, including local…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Jiacheng Wang , Yueming Jin , Liansheng Wang , Shuntian Cai , Pheng-Ann Heng , Jing Qin

Recent learning-based image classification and speech recognition approaches make extensive use of attention mechanisms to achieve state-of-the-art recognition power, which demonstrates the effectiveness of attention mechanisms. Motivated…

信号处理 · 电气工程与系统科学 2022-01-12 Shangao Lin , Yuan Zeng , Yi Gong
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