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This paper shows that deep neural network (DNN) can be used for efficient and distributed channel estimation, quantization, feedback, and downlink multiuser precoding for a frequency-division duplex massive multiple-input multiple-output…

信息论 · 计算机科学 2021-01-27 Foad Sohrabi , Kareem M. Attiah , Wei Yu

Collecting an over-the-air wireless communications training dataset for deep learning-based communication tasks is relatively simple. However, labeling the dataset requires expert involvement and domain knowledge, may involve private…

网络与互联网体系结构 · 计算机科学 2024-02-08 Nasim Soltani , Jifan Zhang , Batool Salehi , Debashri Roy , Robert Nowak , Kaushik Chowdhury

Conventionally, evaluation for the diagnosis of Autism spectrum disorder is done by a trained specialist through questionnaire-based formal assessments and by observation of behavioral cues under various settings to capture the early…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Vaibhavi Lokegaonkar , Vijay Jaisankar , Pon Deepika , Madhav Rao , T K Srikanth , Sarbani Mallick , Manjit Sodhi

Deep Convolutional Sparse Coding (D-CSC) is a framework reminiscent of deep convolutional neural networks (DCNNs), but by omitting the learning of the dictionaries one can more transparently analyse the role of the activation function and…

机器学习 · 计算机科学 2021-06-02 Michael Murray , Jared Tanner

The demand for efficient processing of deep neural networks (DNNs) on embedded devices is a significant challenge limiting their deployment. Exploiting sparsity in the network's feature maps is one of the ways to reduce its inference…

计算机视觉与模式识别 · 计算机科学 2023-09-28 Matteo Grimaldi , Darshan C. Ganji , Ivan Lazarevich , Sudhakar Sah

Neural networks have shown tremendous growth in recent years to solve numerous problems. Various types of neural networks have been introduced to deal with different types of problems. However, the main goal of any neural network is to…

机器学习 · 计算机科学 2022-06-29 Shiv Ram Dubey , Satish Kumar Singh , Bidyut Baran Chaudhuri

Action recognition, early prediction, and online action detection are complementary disciplines that are often studied independently. Most online action detection networks use a pre-trained feature extractor, which might not be optimal for…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Alban Main de Boissiere , Rita Noumeir

Commercial cellular networks, like the systems based on DS-CDMA, face many types of interferences such as multi-user interference inside each sector in a cell to interoperate interference. Independent Component Analysis (ICA) has been used…

网络与互联网体系结构 · 计算机科学 2010-02-18 Sargam Parmar , Bhuvan Unhelkar

In this paper we introduce a new class of codes for over-loaded synchronous wireless CDMA systems which increases the number of users for a fixed number of chips without introducing any errors. In addition these codes support active user…

信息论 · 计算机科学 2008-10-07 Pedram Pad , Mahdi Soltanolkotabi , Saeed Hadikhanlou , Arash Enayati , Farokh Marvasti

Distributed Denial of Service (DDoS) attacks pose a persistent threat to network security, requiring timely and scalable mitigation strategies. In this paper, we propose a novel collaborative architecture that integrates a P4-programmable…

密码学与安全 · 计算机科学 2026-04-28 Ouassim Karrakchou , Alaa Zniber , Anass Sebbar , Mounir Ghogho

This paper is focused on code-domain non-orthogonal multiple access (CD-NOMA), which is an emerging paradigm to support massive connectivity for future machine-type wireless networks. We take a comparative approach to study two types of…

信息论 · 计算机科学 2020-09-10 Zilong Liu , Lie-Liang Yang

In recent years, deep neural networks (DNNs) achieved unprecedented performance in many low-level vision tasks. However, state-of-the-art results are typically achieved by very deep networks, which can reach tens of layers with tens of…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Idan Kligvasser , Tamar Rott Shaham , Tomer Michaeli

Convolutional Neural Networks (CNNs) have proven to be state-of-the-art models for supervised computer vision tasks, such as image classification. However, large labeled data sets are generally needed for the training and validation of such…

机器学习 · 计算机科学 2020-10-28 Patrick Hemmer , Niklas Kühl , Jakob Schöffer

We propose in this paper a deep-wide network (DWnet) which combines the deep structure with the broad learning system (BLS) to recognize actions. Compared with the deep structure, the novel model saves lots of testing time and almost…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Yonghao Dang , Fuxing Yang , Jianqin Yin

Active learning for sentence understanding aims at discovering informative unlabeled data for annotation and therefore reducing the demand for labeled data. We argue that the typical uncertainty sampling method for active learning is…

计算与语言 · 计算机科学 2020-10-29 Dongyu Ru , Jiangtao Feng , Lin Qiu , Hao Zhou , Mingxuan Wang , Weinan Zhang , Yong Yu , Lei Li

We consider the uplink of a grant-free cell-free massive multiple-input multiple-output (GF-CF-MaMIMO) system. We propose an algorithm for distributed joint activity detection, channel estimation, and data detection (JACD) based on…

信息论 · 计算机科学 2025-02-03 Christian Forsch , Alexander Karataev , Laura Cottatellucci

In this letter, a novel class of sparse codebooks is proposed for sparse code multiple access (SCMA) aided non-terrestrial networks (NTN) with randomly distributed users characterized by Rician fading channels. Specifically, we first…

信号处理 · 电气工程与系统科学 2025-04-08 Tianyang Hu , Qu Luo , Lixia Xiao , Jiaxi Zhou , Pei Xiao , Tao Jiang

The deep learning-based speech enhancement (SE) methods always take the clean speech's waveform or time-frequency spectrum feature as the learning target, and train the deep neural network (DNN) by reducing the error loss between the DNN's…

音频与语音处理 · 电气工程与系统科学 2023-11-02 Yuewei Zhang , Huanbin Zou , Jie Zhu

Current Facial Action Unit (FAU) detection methods generally encounter difficulties due to the scarcity of labeled video training data and the limited number of training face IDs, which renders the trained feature extractor insufficient…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Qiaoqiao Jin , Rui Shi , Yishun Dou , Bingbing Ni

Grant-free random access is a promising protocol to support massive access in beyond fifth-generation (B5G) cellular Internet-of-Things (IoT) with sporadic traffic. Specifically, in each coherence interval, the base station (BS) performs…

信息论 · 计算机科学 2020-02-19 Xiaodan Shao , Xiaoming Chen , Rundong Jia
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