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In this paper, we propose a data-driven deep learning (DL) approach to jointly design the pilot signals and channel estimator for wideband massive multiple-input multiple-output (MIMO) systems. By exploiting the angular-domain…

Information Theory · Computer Science 2020-03-13 Xisuo Ma , Zhen Gao

We present an introduction to model-based machine learning for communication systems. We begin by reviewing existing strategies for combining model-based algorithms and machine learning from a high level perspective, and compare them to the…

Signal Processing · Electrical Eng. & Systems 2021-01-14 Nir Shlezinger , Nariman Farsad , Yonina C. Eldar , Andrea J. Goldsmith

In this paper, we applied a novel learning algorithm, namely, Deep Belief Networks (DBN) to word sense disambiguation (WSD). DBN is a probabilistic generative model composed of multiple layers of hidden units. DBN uses Restricted Boltzmann…

Computation and Language · Computer Science 2012-07-03 Peratham Wiriyathammabhum , Boonserm Kijsirikul , Hiroya Takamura , Manabu Okumura

In this paper, we propose a machine learning (ML) based physical layer receiver solution for demodulating OFDM signals that are subject to a high level of nonlinear distortion. Specifically, a novel deep learning based convolutional neural…

The application of machine learning in wireless communications has been extensively explored, with deep unfolding emerging as a powerful model-based technique. Deep unfolding enhances interpretability by transforming complex iterative…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Sukanya Deka , Kuntal Deka , Nhan Thanh Nguyen , Sanjeev Sharma , Vimal Bhatia , Nandana Rajatheva

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…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Minghui Shi , Hang Yang , Zekun Niu , Chuyan Zeng , Junzhe Xiao , Yunfan Zhang , Mingzhe Chen , Weisheng Hu , Lilin Yi

In cognitive radio systems, the ability to accurately detect primary user's signal is essential to secondary user in order to utilize idle licensed spectrum. Conventional energy detector is a good choice for blind signal detection, while it…

Information Theory · Computer Science 2019-09-09 Jiabao Gao , Xuemei Yi , Caijun Zhong , Xiaoming Chen , Zhaoyang Zhang

Digital backpropagation (DBP) is one of the most effective techniques for compensating nonlinear distortions in coherent optical fiber communication systems. However, its practical application to wideband transmission remains limited by…

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…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Zhenguo Zhang , Qianqian Yang , Shibo He , Jiming Chen

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

In this paper, we propose a deep learning-based signal detector called TransD3D-IM, which employs the Transformer framework for signal detection in the Dual-mode index modulation-aided three-dimensional (3D) orthogonal frequency division…

Signal Processing · Electrical Eng. & Systems 2023-09-12 Toan Gian , Tien-Hoa Nguyen , Trung Tan Nguyen , Van-Cuong Pham , Thien Van Luong

In this work, we investigate the feasibility and effectiveness of employing deep learning algorithms for automatic recognition of the modulation type of received wireless communication signals from subsampled data. Recent work considered a…

Signal Processing · Electrical Eng. & Systems 2019-01-18 Sharan Ramjee , Shengtai Ju , Diyu Yang , Xiaoyu Liu , Aly El Gamal , Yonina C. Eldar

Blindly decoding a signal requires estimating its unknown transmit parameters, compensating for the wireless channel impairments, and identifying the modulation type. While deep learning can solve complex problems, digital signal processing…

Signal Processing · Electrical Eng. & Systems 2021-10-26 Samer Hanna , Chris Dick , Danijela Cabric

Machine learning (ML) has been widely applied to the upper layers of wireless communication systems for various purposes, such as deployment of cognitive radio and communication network. However, its application to the physical layer is…

Information Theory · Computer Science 2017-10-30 Tianqi Wang , Chao-Kai Wen , Hanqing Wang , Feifei Gao , Tao Jiang , Shi Jin

In this paper we propose a method for defending against an eavesdropper that uses a Deep Neural Network (DNN) for learning the modulation of wireless communication signals. Our method is based on manipulating the emitted waveform with the…

Cryptography and Security · Computer Science 2023-10-04 Dimitrios Varkatzas , Antonios Argyriou

Since the signal with strong power should be demodulated first for successive interference cancellation (SIC) demodulation in non-orthogonal multiple access (NOMA) systems, the base station (BS) should inform the near user terminal (UT),…

Signal Processing · Electrical Eng. & Systems 2020-10-19 Wenwu Xie , Jian Xiao , Jinxia Yang , Xin Peng , Chao Yu , Peng Zhu

Distributed Acoustic Sensing (DAS) is a promising technology introducing a new paradigm in the acquisition of high-resolution seismic data. However, DAS data often show weak signals compared to the background noise, especially in tough…

Geophysics · Physics 2024-10-21 Omar M. Saad , Matteo Ravasi , Tariq Alkhalifah

Deep learning methods have shown great promise in many practical applications, ranging from speech recognition, visual object recognition, to text processing. However, most of the current deep learning methods suffer from scalability…

Machine Learning · Statistics 2015-08-31 Yanping Huang , Sai Zhang

Deep learning has been recently applied to many problems in wireless communications including modulation classification and symbol decoding. Many of the existing end-to-end learning approaches demonstrated robustness to signal distortions…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Samer Hanna , Chris Dick , Danijela Cabric

Spectrum sensing allows cognitive radio systems to detect relevant signals in despite the presence of severe interference. Most of the existing spectrum sensing techniques use a particular signal-noise model with certain assumptions and…

Information Theory · Computer Science 2021-12-07 Nupur Choudhury , Kandarpa Kumar Sarma , Chinmoy Kalita , Aradhana Misra