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This paper demonstrates a method that synthesizes narrowband Multiple-Input Multiple-Output (MIMO) beampatterns using the Multi-Tone Sinusoidal Frequency Modulated (MTSFM) waveform model. MIMO arrays transmit unique waveforms on each of…

Signal Processing · Electrical Eng. & Systems 2024-12-11 David A. Hague

We propose a learning-based method for adaptively generating low probability of detection (LPD) radar waveforms that blend into their operating environment. Our waveforms are designed to follow a distribution that is indistinguishable from…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Matthew R. Ziemann , Christopher A. Metzler

In traditional multiple-input multiple-output (MIMO) communication systems, the antenna spacing is often no smaller than half a wavelength. However, by exploiting the coupling between more closely-spaced antennas, a superdirective array may…

Signal Processing · Electrical Eng. & Systems 2024-08-28 Yali Zhang , Haifan Yin , Liangcheng Han

As a revolutionary generative paradigm of deep learning, generative adversarial networks (GANs) have been widely applied in various fields to synthesize realistic data. However, it is challenging for conventional GANs to synthesize raw…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Weidong Wang , Jiancheng An , Hongshu Liao , Lu Gan , Chau Yuen

We propose generative channel modeling to learn statistical channel models from channel input-output measurements. Generative channel models can learn more complicated distributions and represent the field data more faithfully. They are…

Information Theory · Computer Science 2022-03-17 Tribhuvanesh Orekondy , Arash Behboodi , Joseph B. Soriaga

Received waveforms contain rich information for both range information and environment semantics. However, its full potential is hard to exploit under multipath and non-line-of-sight conditions. This paper proposes a deep generative model…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Yuxiao Li , Santiago Mazuelas , Yuan Shen

Designing unimodular waveforms with a desired beampattern, spectral occupancy and orthogonality level is of vital importance in the next generation Multiple-Input Multiple-Output (MIMO) radar systems. Motivated by this fact, in this paper,…

Signal Processing · Electrical Eng. & Systems 2021-12-14 Ehsan Raei , Saeid Sedighi , Mohammad Alaee-Kerahroodi , M. R. Bhavani Shankar

For many wireless communication applications, traffic pattern modeling of radio signals combined with channel effects is much needed. While analytical models are used to capture these phenomena, real world non-linear effects (e.g. device…

Signal Processing · Electrical Eng. & Systems 2022-06-30 Haythem Chaker , Soumaya Hamouda , Nicola Michailow

Channel estimation is a critical task in multiple-input multiple-output (MIMO) digital communications that substantially effects end-to-end system performance. In this work, we introduce a novel approach for channel estimation using deep…

Signal Processing · Electrical Eng. & Systems 2022-11-09 Marius Arvinte , Jonathan I Tamir

This paper addresses the design of transmit precoder and receive combiner matrices to support $N_{\rm s}$ independent data streams over a time-division duplex (TDD) point-to-point massive multiple-input multiple-output (MIMO) channel with…

Information Theory · Computer Science 2024-06-10 Tao Jiang , Wei Yu

Enabling highly-mobile millimeter wave (mmWave) systems is challenging because of the huge training overhead associated with acquiring the channel knowledge or designing the narrow beams. Current mmWave beam training and channel estimation…

Information Theory · Computer Science 2018-08-08 Xiaofeng Li , Ahmed Alkhateeb , Cihan Tepedelenlioğlu

Research and education in machine learning needs diverse, representative, and open datasets that contain sufficient samples to handle the necessary training, validation, and testing tasks. Currently, the Recommender Systems area includes a…

Information Retrieval · Computer Science 2023-03-03 Jesús Bobadilla , Abraham Gutiérrez , Raciel Yera , Luis Martínez

Conditional waveform synthesis models learn a distribution of audio waveforms given conditioning such as text, mel-spectrograms, or MIDI. These systems employ deep generative models that model the waveform via either sequential…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-07 Max Morrison , Rithesh Kumar , Kundan Kumar , Prem Seetharaman , Aaron Courville , Yoshua Bengio

The problem of the real-time multiple-input multiple-output (MIMO) array control when requirements on capacity performance, out-of-cell interference, and computational efficiency are simultaneously enforced is addressed by means of an…

Information Theory · Computer Science 2022-06-29 G. Oliveri , G. Gottardi , N. Anselmi , A. Massa

In this paper, a new semi-supervised deep multiple-input multiple-output (MIMO) detection approach using a cycle-consistent generative adversarial network (CycleGAN) is proposed for communication systems without any prior knowledge of…

Signal Processing · Electrical Eng. & Systems 2023-04-24 Hongzhi Zhu , Yongliang Guo , Wei Xu , Xiaohu You

In this paper, adaptive hybrid beamforming methods are proposed for millimeter-wave range massive multiple-input-multiple-output (MIMO) systems considering single carrier wideband transmission in uplink data mode. A statistical analog…

Information Theory · Computer Science 2020-07-02 Anil Kurt , Gokhan Muzaffer Guvensen

Generative diffusion models (GDMs) have recently shown great success in synthesizing multimedia signals with high perceptual quality, enabling highly efficient semantic communications in future wireless networks. In this paper, we develop…

Information Theory · Computer Science 2026-01-27 Xinkai Liu , Mahdi Boloursaz Mashhadi , Li Qiao , Yi Ma , Rahim Tafazolli , Mehdi Bennis

Although deep learning has achieved appealing results on several machine learning tasks, most of the models are deterministic at inference, limiting their application to single-modal settings. We propose a novel general-purpose framework…

Machine Learning · Computer Science 2020-10-12 Sameera Ramasinghe , Kanchana Ranasinghe , Salman Khan , Nick Barnes , Stephen Gould

Sensor-aided beamforming reduces the overheads associated with beam training in millimeter-wave (mmWave) multi-input-multi-output (MIMO) communication systems. Most prior work, though, neglects the challenges associated with establishing…

Signal Processing · Electrical Eng. & Systems 2025-09-17 Kartik Patel , Robert W. Heath

We propose a new approach to train the Generative Adversarial Nets (GANs) with a mixture of generators to overcome the mode collapsing problem. The main intuition is to employ multiple generators, instead of using a single one as in the…

Machine Learning · Computer Science 2017-10-31 Quan Hoang , Tu Dinh Nguyen , Trung Le , Dinh Phung
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