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Realtime model learning proves challenging for complex dynamical systems, such as drones flying in variable wind conditions. Machine learning technique such as deep neural networks have high representation power but is often too slow to…

Robotics · Computer Science 2022-05-26 Michael O'Connell , Guanya Shi , Xichen Shi , Soon-Jo Chung

This paper improves state-of-the-art visual object trackers that use online adaptation. Our core contribution is an offline meta-learning-based method to adjust the initial deep networks used in online adaptation-based tracking. The meta…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Eunbyung Park , Alexander C. Berg

This paper investigates deep learning techniques to predict transmit beamforming based on only historical channel data without current channel information in the multiuser multiple-input-single-output downlink. This will significantly…

Information Theory · Computer Science 2023-02-03 Juping Zhang , Gan Zheng , Yangyishi Zhang , Ioannis Krikidis , Kai-Kit Wong

This paper addresses the problem of fast learning of radar detectors with a limited amount of training data. In current data-driven approaches for radar detection, re-training is generally required when the operating environment changes,…

Signal Processing · Electrical Eng. & Systems 2021-12-06 Wei Jiang , Alexander M. Haimovich , Mark Govoni , Timothy Garner , Osvaldo Simeone

We investigate the applicability of deep reinforcement learning algorithms to the adaptive initial access beam alignment problem for mmWave communications using the state-of-the-art proximal policy optimization algorithm as an example. In…

Information Theory · Computer Science 2023-02-20 Daniel Tandler , Sebastian Dörner , Marc Gauger , Stephan ten Brink

In this work, we tackle the problem of online adaptation for stereo depth estimation, that consists in continuously adapting a deep network to a target video recordedin an environment different from that of the source training set. To…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Zhenyu Zhang , Stéphane Lathuilière , Andrea Pilzer , Nicu Sebe , Elisa Ricci , Jian Yang

The emerging field semantic communication is driving the research of end-to-end data transmission. By utilizing the powerful representation ability of deep learning models, learned data transmission schemes have exhibited superior…

Information Theory · Computer Science 2023-05-25 Jincheng Dai , Sixian Wang , Ke Yang , Kailin Tan , Xiaoqi Qin , Zhongwei Si , Kai Niu , Ping Zhang

Employing large antenna arrays and utilizing large bandwidth have the potential of bringing very high data rates to future wireless communication systems. However, this brings the system into the near-field regime and also makes the…

Information Theory · Computer Science 2023-01-03 Yu Zhang , Ahmed Alkhateeb

Using RF signals for wireless sensing has gained increasing attention. However, due to the unwanted multi-path fading in uncontrollable radio environments, the accuracy of RF sensing is limited. Instead of passively adapting to the…

Signal Processing · Electrical Eng. & Systems 2020-11-26 Jingzhi Hu , Hongliang Zhang , Kaigui Bian , Marco Di Renzo , Zhu Han , Lingyang Song

We study joint downlink-uplink beamforming design for wireless federated learning (FL) with a multi-antenna base station. Considering analog transmission over noisy channels and uplink over-the-air aggregation, we derive the global model…

Information Theory · Computer Science 2023-07-04 Chong Zhang , Min Dong , Ben Liang , Ali Afana , Yahia Ahmed

Non-orthogonal multiple access (NOMA) and beamforming are well-established techniques for enabling massive connectivity in future wireless networks. However, many optimal beamforming solutions rely on highly complex iterative algorithms and…

Signal Processing · Electrical Eng. & Systems 2026-02-24 Chentong Li , Saeed Mohammadzadeh , Kanapathippillai Cumanan , Octavia A. Dobre

Beamforming with large-scale antenna arrays has been widely used in recent years, which is acknowledged as an important part in 5G and incoming 6G. Thus, various techniques are leveraged to improve its performance, e.g., deep learning,…

A fundamental problem for waveform-agile radar systems is that the true environment is unknown, and transmission policies which perform well for a particular tracking instance may be sub-optimal for another. Additionally, there is a limited…

Information Theory · Computer Science 2021-10-25 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Over the past decade, the field of machine learning has experienced remarkable advancements. While image recognition systems have achieved impressive levels of accuracy, they continue to rely on extensive training datasets. Additionally, a…

Machine Learning · Computer Science 2023-11-03 Benji Alwis

Multicast beamforming is a promising technique for multicast communication. Providing an efficient and powerful beamforming design algorithm is a crucial issue because multicast beamforming problems such as a max-min-fair problem are…

Information Theory · Computer Science 2020-04-21 Satoshi Takabe , Tadashi Wadayama

As deep neural networks are increasingly deployed in dynamic, real-world environments, relying on a single static model is often insufficient. Changes in input data distributions caused by sensor drift or lighting variations necessitate…

Machine Learning · Computer Science 2025-09-26 Matteo Cardoni , Sam Leroux

Multi-user multiple-input multiple-output (MU-MIMO) beamforming design is typically formulated as a non-convex weighted sum rate (WSR) maximization problem that is known to be NP-hard. This problem is solved either by iterative algorithms,…

Signal Processing · Electrical Eng. & Systems 2022-10-28 Jing-Yuan Xia , Zhixiong Yang , Tong Qiu , Huaizhang Liao , Deniz Gunduz

In this paper, we propose a novel deep unsupervised learning-based approach that jointly optimizes antenna selection and hybrid beamforming to improve the hardware and spectral efficiencies of massive multiple-input-multiple-output (MIMO)…

Signal Processing · Electrical Eng. & Systems 2022-01-24 Zhiyan Liu , Yuwen Yang , Feifei Gao , Ting Zhou , Hongbing Ma

Active noise control typically employs adaptive filtering to generate secondary noise, where the least mean square algorithm is the most widely used. However, traditional updating rules are linear and exhibit limited effectiveness in…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Pengxing Feng , Hing Cheung So

As the application of deep learning has expanded to real-world problems with insufficient volume of training data, transfer learning recently has gained much attention as means of improving the performance in such small-data regime.…

Machine Learning · Computer Science 2019-05-16 Yunhun Jang , Hankook Lee , Sung Ju Hwang , Jinwoo Shin