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Wireless vehicular communication will increase the safety of road users. The reliability of vehicular communication links is of high importance as links with low reliability may diminish the advantage of having situational traffic…

Signal Processing · Electrical Eng. & Systems 2023-04-13 Anja Dakić , Benjamin Rainer , Markus Hofer , Thomas Zemen

We propose a novel deep neural network (DNN) based approximation architecture to learn estimates of measurements. We detail an algorithm that enables training of the DNN. The DNN estimator only uses measurements, if and when they are…

Machine Learning · Computer Science 2022-09-13 Shivangi Agarwal , Sanjit K. Kaul , Saket Anand , P. B. Sujit

In many signal processing applications, including communications, sonar, radar, and localization, a fundamental problem is the detection of a signal of interest in background noise, known as signal detection [1] [2]. A simple version of…

Signal Processing · Electrical Eng. & Systems 2025-12-16 Tom Anders , Hiten Prakash Kothari , R. Michael Buehrer

Observational studies are based on accurate assessment of human state. A behavior recognition system that models interlocutors' state in real-time can significantly aid the mental health domain. However, behavior recognition from speech…

Machine Learning · Computer Science 2016-06-15 Haoqi Li , Brian Baucom , Panayiotis Georgiou

A deep neural network (DNN) model consisting of two hidden layers was proposed for predicting the immediate environments of specific atoms based on X-ray absorption near-edge spectra (XANES). The output layer of the DNN can be adjusted to…

Computational Physics · Physics 2019-05-13 Liang Li , Mindren Lu , Maria K. Y. Chan

The realization of practical intelligent reflecting surface (IRS)-assisted multi-user communication (IRS-MUC) systems critically depends on the proper beamforming design exploiting accurate channel state information (CSI). However, channel…

Information Theory · Computer Science 2021-04-27 Chang Liu , Xuemeng Liu , Zhiqiang Wei , Shaokang Hu , Derrick Wing Kwan Ng , Jinhong Yuan

Generalized Spatial Modulation (GSM) is being considered for high capacity and energy-efficient networks of the future. However, signal detection due to inter-channel interference among the active antennas is a challenge in GSM systems and…

Signal Processing · Electrical Eng. & Systems 2021-06-01 Hasan Albinsaid , Keshav Singh , Sudip Biswas , Chih-Peng Li , Mohamed-Slim Alouini

Unmanned aerial vehicles (UAVs) enable efficient in-situ radiation characterization of large-aperture antennas directly in their deployment environments. In such measurements, a continuous-wave (CW) probe tone is commonly transmitted to…

Huge overhead of beam training poses a significant challenge to mmWave communications. To address this issue, beam tracking has been widely investigated whereas existing methods are hard to handle serious multipath interference and…

Signal Processing · Electrical Eng. & Systems 2021-02-09 Ke Ma , Dongxuan He , Hancun Sun , Zhaocheng Wang

Deep neural network (DNN)-based receivers offer a powerful alternative to classical model-based designs for wireless communication, especially in complex and nonlinear propagation environments. However, their adoption is challenged by the…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Yakov Gusakov , Osvaldo Simeone , Tirza Routtenberg , Nir Shlezinger

Accurate Defect detection is crucial for ensuring the trustworthiness of intelligent railway systems. Current approaches rely on single deep-learning models, like CNNs, which employ a large amount of data to capture underlying patterns.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Rahatara Ferdousi , Fedwa Laamarti , Chunsheng Yang , Abdulmotaleb El Saddik

Dynamic spectrum access (DSA) benefits from detection and classification of interference sources including in-network users, out-network users, and jammers that may all coexist in a wireless network. We present a deep learning based signal…

Networking and Internet Architecture · Computer Science 2019-09-27 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu , William C. Headley , Michael Fowler , Gilbert Green

Channel state information (CSI) is of pivotal importance as it enables wireless systems to adapt transmission parameters more accurately, thus improving the system's overall performance. However, it becomes challenging to acquire accurate…

Signal Processing · Electrical Eng. & Systems 2022-08-12 Muhammad Karam Shehzad , Luca Rose , Muhammad Furqan Azam , Mohamad Assaad

Acoustic beamformers have been widely used to enhance audio signals. Currently, the best methods are the deep neural network (DNN)-powered variants of the generalized eigenvalue and minimum-variance distortionless response beamformers and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-12 Yuichiro Koyama , Bhiksha Raj

Channel state information (CSI) feedback is critical for achieving the promised advantages of enhancing spectral and energy efficiencies in massive multiple-input multiple-output (MIMO) wireless communication systems. Deep learning…

Information Theory · Computer Science 2024-03-29 Suhang Fan , Wei Xu , Renjie Xie , Shi Jin , Derrick Wing Kwan Ng , Naofal Al-Dhahir

Backscatter communication (BC) technology offers sustainable solutions for next-generation Internet-of-Things (IoT) networks, where devices can transmit data by reflecting and adjusting incident radio frequency signals. In parallel to BC,…

Signal Processing · Electrical Eng. & Systems 2023-09-25 Wali Ullah Khan , Eva Lagunas , Zain Ali , Asad Mahmood , Chandan Kumar Sheemar , Manzoor Ahmed , Symeon Chatzinotas , Björn Ottersten

Near-field channel estimation is a fundamental challenge in the sixth-generation (6G) wireless communication, where extremely large antenna arrays (ELAA) enable near-field communication (NFC) but introduce significant signal processing…

Signal Processing · Electrical Eng. & Systems 2025-05-21 Vu Tung Lam , Do Hai Son , Tran Thi Thuy Quynh , Le Trung Thanh

Deep learning is an emerging technology that is considered one of the most promising directions for reaching higher levels of artificial intelligence. Among the other achievements, building computers that understand speech represents a…

Computation and Language · Computer Science 2017-12-19 Mirco Ravanelli

The acquisition of channel state information (CSI) is essential in MIMO-OFDM communication systems. Data-aided enhanced receivers, by incorporating domain knowledge, effectively mitigate performance degradation caused by imperfect CSI,…

Information Theory · Computer Science 2025-04-22 Xinjie Li , Jing Zhang , Xingyu Zhou , Chao-Kai Wen , Shi Jin

In-band full duplex wireless is of utmost interest to future wireless communication and networking due to great potentials of spectrum efficiency. IBFD wireless, however, is throttled by its key challenge, namely self-interference.…

Networking and Internet Architecture · Computer Science 2018-11-06 Hanqing Guo , Nan Zhang , Saeed AlQarni , Shaoen Wu