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Ambient backscatter communication (AmBC) offers low-cost and low-power connectivity for Internet of Things (IoT), where a backscatter tag (BT) modulates incident signals transmitted by an ambient radio frequency (RF) source and reflects…

信息论 · 计算机科学 2025-11-12 Yuxin Li , Guangyue Lu , Yinghui Ye , Liqin Shi , Daniel Benevides da Costa

A churn prediction system guides telecom service providers to reduce revenue loss. However, the development of a churn prediction system for a telecom industry is a challenging task, mainly due to the large size of the data, high…

机器学习 · 计算机科学 2019-03-06 Uzair Ahmed , Asifullah Khan , Saddam Hussain Khan , Abdul Basit , Irfan Ul Haq , Yeon Soo Lee

Deep text matching approaches have been widely studied for many applications including question answering and information retrieval systems. To deal with a domain that has insufficient labeled data, these approaches can be used in a…

信息检索 · 计算机科学 2019-01-01 Chen Qu , Feng Ji , Minghui Qiu , Liu Yang , Zhiyu Min , Haiqing Chen , Jun Huang , W. Bruce Croft

This article presents our initial results in deep learning for channel estimation and signal detection in orthogonal frequency-division multiplexing (OFDM). OFDM has been widely adopted in wireless broadband communications to combat…

信息论 · 计算机科学 2017-08-30 Hao Ye , Geoffrey Ye Li , Biing-Hwang Fred Juang

Transfer learning (TL) enables the transfer of knowledge gained in learning to perform one task (source) to a related but different task (target), hence addressing the expense of data acquisition and labeling, potential computational power…

机器学习 · 计算机科学 2022-12-20 Somdatta Goswami , Katiana Kontolati , Michael D. Shields , George Em Karniadakis

Learning from small amounts of labeled data is a challenge in the area of deep learning. This is currently addressed by Transfer Learning where one learns the small data set as a transfer task from a larger source dataset. Transfer Learning…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Parijat Dube , Bishwaranjan Bhattacharjee , Elisabeth Petit-Bois , Matthew Hill

Orthogonal time frequency space (OTFS) modulation stands out as a promising waveform for sixth generation (6G) and beyond wireless communication systems, offering superior performance over conventional methods, particularly in high-mobility…

信号处理 · 电气工程与系统科学 2026-01-21 Emin Akpinar , Emir Aslandogan , Burak Ahmet Ozden , Haci Ilhan , Erdogan Aydin

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

Semantic communication has emerged as a promising approach for improving efficient transmission in the next generation of wireless networks. Inspired by the success of semantic communication in different areas, we aim to provide a new…

图像与视频处理 · 电气工程与系统科学 2023-12-11 Zhenguo Zhang , Qianqian Yang , Shibo He , Jiming Chen

In this paper, we propose two novel and practical deep-learning-based algorithms to solve the wireless channel type (WCT) recognition problem. Specifically, the WCT recognition problem is recast as a classification problem in deep learning…

信号处理 · 电气工程与系统科学 2021-02-05 Shu Sun , Xiaofeng Li , Sungho Moon

In this paper, we present a deep learning (DL) algorithm for channel estimation in communication systems. We consider the time-frequency response of a fast fading communication channel as a two-dimensional image. The aim is to find the…

信息论 · 计算机科学 2019-02-20 Mehran Soltani , Vahid Pourahmadi , Ali Mirzaei , Hamid Sheikhzadeh

The coin-tap test is a convenient and primary method for non-destructive testing, while its manual on-site operation is tough and costly. With the help of the latest intelligent signal processing method, convolutional neural networks (CNN),…

信号处理 · 电气工程与系统科学 2022-03-24 Hongyu Li , Peng Jiang , Tiejun Wang

Aided target recognition (AiTR), the problem of classifying objects from sensor data, is an important problem with applications across industry and defense. While classification algorithms continue to improve, they often require more…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Samuel Rivera , Olga Mendoza-Schrock , Ashley Diehl

This paper proposes to use a deep neural network (DNN)-based symbol detector for mmWave systems such that CSI acquisition can be bypassed. In particular, we consider a sliding bidirectional recurrent neural network (BRNN) architecture that…

信号处理 · 电气工程与系统科学 2019-07-29 Yun Liao , Nariman Farsad , Nir Shlezinger , Yonina C. Eldar , Andrea J. Goldsmith

Deep learning (DL)-based channel state information (CSI) feedback has shown promising potential to improve spectrum efficiency in massive MIMO systems. However, practical DL approaches require a sizeable CSI dataset for each scenario, and…

信息论 · 计算机科学 2023-11-07 Zhenyu Liu , Li Wang , Lianming Xu , Zhi Ding

Spectrum prediction is considered to be a promising technology that enhances spectrum efficiency by assisting dynamic spectrum access (DSA) in cognitive radio networks (CRN). Nonetheless, the highly nonlinear nature of spectrum data across…

信号处理 · 电气工程与系统科学 2024-12-16 Guangliang Pan , David K. Y. Yau , Bo Zhou , Qihui Wu

Transfer Learning (TL) plays a crucial role when a given dataset has insufficient labeled examples to train an accurate model. In such scenarios, the knowledge accumulated within a model pre-trained on a source dataset can be transferred to…

计算与语言 · 计算机科学 2018-01-22 Tushar Semwal , Gaurav Mathur , Promod Yenigalla , Shivashankar B. Nair

Channel estimation and signal detection are essential steps to ensure the quality of end-to-end communication in orthogonal frequency-division multiplexing (OFDM) systems. In this paper, we develop a DDLSD approach, i.e., Data-driven Deep…

信息论 · 计算机科学 2021-07-29 Guangliang Pan , Zitong Liu , Wei Wang , Minglei Li

Medical image processing is one of the most important topics in the field of the Internet of Medical Things (IoMT). Recently, deep learning methods have carried out state-of-the-art performances on medical image tasks. However, conventional…

图像与视频处理 · 电气工程与系统科学 2020-12-14 Shuteng Niu , Meryl Liu , Yongxin Liu , Jian Wang , Houbing Song

Current transfer learning methods for high-dimensional linear regression assume feature alignment across domains, restricting their applicability to semantically matched features. In many real-world scenarios, however, distinct features in…

统计方法学 · 统计学 2025-12-29 Jiancheng Jiang , Xuejun Jiang , Hongxia Jin