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Consider an Internet-of-Things (IoT) scenario in which devices transmit sporadically using short packets with few pilot symbols. Each device transmits over a fading channel and is characterized by an amplifier with a unique non-linear…

Signal Processing · Electrical Eng. & Systems 2021-10-19 Sangwoo Park , Hyeryung Jang , Osvaldo Simeone , Joonhyuk Kang

Two of the main principles underlying the life cycle of an artificial intelligence (AI) module in communication networks are adaptation and monitoring. Adaptation refers to the need to adjust the operation of an AI module depending on the…

Machine Learning · Computer Science 2023-01-11 Kfir M. Cohen , Sangwoo Park , Osvaldo Simeone , Shlomo Shamai

When a channel model is available, learning how to communicate on fading noisy channels can be formulated as the (unsupervised) training of an autoencoder consisting of the cascade of encoder, channel, and decoder. An important limitation…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Sangwoo Park , Osvaldo Simeone , Joonhyuk Kang

We consider a new problem of few-shot learning of compact models. Meta-learning is a popular approach for few-shot learning. Previous work in meta-learning typically assumes that the model architecture during meta-training is the same as…

Machine Learning · Computer Science 2022-10-19 Yong Wu , Shekhor Chanda , Mehrdad Hosseinzadeh , Zhi Liu , Yang Wang

The Internet of Things (IoT) will encompass a massive number of machine type devices that must wirelessly transmit, in near real-time, a diverse set of messages sensed from their environment. Designing resource allocation schemes to support…

Information Theory · Computer Science 2019-03-07 Taehyeun Park , Walid Saad

We study the problem of few-shot learning-based denoising where the training set contains just a handful of clean and noisy samples. A solution to mitigate the small training set issue is to pre-train a denoising model with small training…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Leslie Casas , Attila Klimmek , Gustavo Carneiro , Nassir Navab , Vasileios Belagiannis

This paper studies fast adaptive beamforming optimization for the signal-to-interference-plus-noise ratio balancing problem in a multiuser multiple-input single-output downlink system. Existing deep learning based approaches to predict…

Information Theory · Computer Science 2020-11-03 Yi Yuan , Gan Zheng , Kai-Kit Wong , Björn Ottersten , Zhi-Quan Luo

When a channel model is not available, the end-to-end training of encoder and decoder on a fading noisy channel generally requires the repeated use of the channel and of a feedback link. An important limitation of the approach is that…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Sangwoo Park , Osvaldo Simeone , Joonhyuk Kang

The Internet of Things (IoT) ecosystem generates vast amounts of multimodal data from heterogeneous sources such as sensors, cameras, and microphones. As edge intelligence continues to evolve, IoT devices have progressed from simple data…

Machine Learning · Computer Science 2025-05-23 Heqiang Wang , Xiang Liu , Xiaoxiong Zhong , Lixing Chen , Fangming Liu , Weizhe Zhang

Non-Orthogonal Multiple Access (NOMA) is at the heart of a paradigm shift towards non-orthogonal communication due to its potential to scale well in massive deployments. Nevertheless, the overhead of channel estimation remains a key…

Information Theory · Computer Science 2023-06-12 Hebatalla Issa , Mohammad Shehab , Hirley Alves

Towards realizing an intelligent networked society, enabling low-cost low-energy connectivity for things, also known as Internet of Things (IoT), is of crucial importance. While the existing wireless access networks require centralized…

Signal Processing · Electrical Eng. & Systems 2020-08-05 Amin Azari , Mahmoud Abbasi

We consider Internet of Things (IoT) organized on the principles of cell-free massive MIMO. Since the number of things is very large, orthogonal pilots cannot be assigned to all of them even if the things are stationary. This results in an…

Signal Processing · Electrical Eng. & Systems 2020-06-19 Shilpa Rao , Alexei Ashikhmin , Hong Yang

Multimodal few-shot learning is challenging due to the large domain gap between vision and language modalities. Existing methods are trying to communicate visual concepts as prompts to frozen language models, but rely on hand-engineered…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Ivona Najdenkoska , Xiantong Zhen , Marcel Worring

In this paper, we address the problem of reference tracking for uncertain nonlinear systems. Since collecting data from the target system (i.e., the system of interest) is often challenging, our objective is to design optimal controllers…

Artificial Intelligence · Computer Science 2026-05-22 Jiaqi Yan , Ankush Chakrabarty , Niklas Schmid , John Lygeros , Alisa Rupenyan

In this paper, a lifelong learning problem is studied for an Internet of Things (IoT) system. In the considered model, each IoT device aims to balance its information freshness and energy consumption tradeoff by controlling its…

Networking and Internet Architecture · Computer Science 2021-03-30 Zhenzhen Gong , Qimei Cui , Christina Chaccour , Bo Zhou , Mingzhe Chen , Walid Saad

Data collected by IoT devices are often private and have a large diversity across users. Therefore, learning requires pre-training a model with available representative data samples, deploying the pre-trained model on IoT devices, and…

Machine Learning · Computer Science 2022-06-28 Zhongnan Qu , Zimu Zhou , Yongxin Tong , Lothar Thiele

Enabling large-scale energy-efficient Internet-of-things (IoT) connectivity is an essential step towards realization of networked society. While legacy wide-area wireless systems are highly dependent on network-side coordination, the level…

Networking and Internet Architecture · Computer Science 2018-07-26 Amin Azari , Cicek Cavdar

Channel denoising is a practical and effective technique for mitigating channel estimation errors in multiple-input multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) systems. However, adapting denoising techniques to…

Signal Processing · Electrical Eng. & Systems 2025-08-14 Sungyoung Ha , Ikbeom Lee , Seunghyeon Jeon , Yo-Seb Jeon

Machine-type devices (MTDs) will lie at the heart of the Internet of Things (IoT) system. A key challenge in such a system is sharing network resources between small MTDs, which have limited memory and computational capabilities. In this…

Information Theory · Computer Science 2016-10-07 Taehyeun Park , Walid Saad

Few-shot Learning aims to learn classifiers for new classes with only a few training examples per class. Existing meta-learning or metric-learning based few-shot learning approaches are limited in handling diverse domains with various…

Machine Learning · Computer Science 2019-01-30 Yu Cheng , Mo Yu , Xiaoxiao Guo , Bowen Zhou
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