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Diffusion Transformers (DiT) have attracted significant attention in research. However, they suffer from a slow convergence rate. In this paper, we aim to accelerate DiT training without any architectural modification. We identify the…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Jingfeng Yao , Wang Cheng , Wenyu Liu , Xinggang Wang

Deep learning (DL) based autoencoder has shown great potential to significantly enhance the physical layer performance. In this paper, we present a DL based autoencoder for interference channel. Based on a characterization of a k-user…

机器学习 · 计算机科学 2019-12-18 Dehao Wu , Maziar Nekovee , Yue Wang

This letter considers the transceiver design in frequency division duplex (FDD) massive multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems for high-quality data transmission. We propose a novel…

信号处理 · 电气工程与系统科学 2023-12-12 Junyi Yang , Weifeng Zhu , Shu Sun , Xiaofeng Li , Xingqin Lin , Meixia Tao

By integrating certain optimization solvers with deep neural network, deep unfolding network (DUN) has attracted much attention in recent years for image compressed sensing (CS). However, there still exist several issues in existing DUNs:…

计算机视觉与模式识别 · 计算机科学 2022-08-04 Wenxue Cui , Shaohui Liu , Debin Zhao

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

In this paper, we propose a joint pilot design and channel estimation scheme based on the deep learning (DL) technique for multiuser multiple-input multiple output (MIMO) channels. To this end, we construct a pilot designer using two-layer…

信息论 · 计算机科学 2018-12-12 Chang-Jae Chun , Jae-Mo Kang , Il-Min Kim

This paper addresses a critical preliminary step in radar signal processing: detecting the presence of a radar signal and robustly estimating its bandwidth. Existing methods which are largely statistical feature-based approaches face…

信号处理 · 电气工程与系统科学 2024-03-01 Akila Pemasiri , Zi Huang , Fraser Williams , Ethan Goan , Simon Denman , Terrence Martin , Clinton Fookes

Hybrid analog-digital signal processing (HSP) is an enabling technology to harvest the potential of millimeter-wave (mmWave) massive-MIMO communications. In this paper, we present a general deep learning (DL) framework for efficient design…

信号处理 · 电气工程与系统科学 2024-10-28 Alireza Morsali , Afshin Haghighat , Benoit Champagne

Channel state information (CSI) feedback is critical for frequency division duplex (FDD) massive multi-input multi-output (MIMO) systems. Most conventional algorithms are based on compressive sensing (CS) and are highly dependent on the…

信号处理 · 电气工程与系统科学 2020-04-17 Hongyuan Ye , Feifei Gao , Jing Qian , Hao Wang , Geoffrey Ye Li

Deep learning is an important method for molecular design and exhibits considerable ability to predict molecular properties, including physicochemical, bioactive, and ADME/T (absorption, distribution, metabolism, excretion, and toxicity)…

分子网络 · 定量生物学 2022-05-10 Hanxuan Cai , Huimin Zhang , Duancheng Zhao , Jingxing Wu , Ling Wang

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 learning (DL) is becoming the cornerstone of numerous applications both in datacenters and at the edge. Specialized hardware is often necessary to meet the performance requirements of state-of-the-art DL models, but the rapid pace of…

硬件体系结构 · 计算机科学 2025-12-16 Andrew Boutros , Aman Arora , Vaughn Betz

Object detection is one of the key tasks in many applications of computer vision. Deep Neural Networks (DNNs) are undoubtedly a well-suited approach for object detection. However, such DNNs need highly adapted hardware together with…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Michael Schlosser , Daniel König , Michael Teutsch

This paper studies a deep learning (DL) framework for the design of binary modulated visible light communication (VLC) transceiver with universal dimming support. The dimming control for the optical binary signal boils down to a…

信息论 · 计算机科学 2019-10-29 Hoon Lee , Tony Q. S. Quek , Sang Hyun Lee

Continual learning (CL) aims to learn new tasks while retaining past knowledge, addressing the challenge of forgetting during task adaptation. Rehearsal-based methods, which replay previous samples, effectively mitigate forgetting. However,…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Ruiqi Liu , Boyu Diao , Libo Huang , Hangda Liu , Chuanguang Yang , Zhulin An , Yongjun Xu

A new method for capacity and spectral efficiency increases is a full-duplex (FD) communication, where sending and receiving are done simultaneously. Hence, severe interference leaked from the transmitter to the receiver, which can disrupt…

信息论 · 计算机科学 2023-05-23 Mohammad Lari

This paper explores the integration of deep learning techniques for joint sensing and communications, with an extension to semantic communications. The integrated system comprises a transmitter and receiver operating over a wireless…

网络与互联网体系结构 · 计算机科学 2024-10-22 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

Massive multiple-input multiple-output (MIMO) has been a critical enabling technology in 5th generation (5G) wireless networks. With the advent of 6G, a natural evolution is to employ even more antennas, potentially an order of magnitude…

信号处理 · 电气工程与系统科学 2024-08-13 Wentao Yu , Yifan Ma , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

This paper proposes a deep learning-based beamforming design framework that directly maps a target beam pattern to optimal beamforming vectors across multiple antenna array architectures, including digital, analog, and hybrid beamforming.…

信号处理 · 电气工程与系统科学 2025-10-14 Hongpu Zhang , Shu Sun , Hangsong Yan , Jianhua Mo

Data-nulling superimposed pilot (DNSP) effectively alleviates the superimposed interference of superimposed training (ST)-based channel estimation (CE) in orthogonal frequency division multiplexing (OFDM) systems, while facing the…

信号处理 · 电气工程与系统科学 2022-10-12 Chaojin Qing , Lei Dong , Li Wang , Guowei Ling , Jiafan Wang
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