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DSP (digital signal processing) has been widely applied in optical communication systems to mitigate signal distortions and has become one of the key technologies that have sustained data traffic growth over the past decade. However, the…

In device-to-device (D2D) communication under a cell with resource sharing mode the spectrum resource utilization of the system will be improved. However, if the interference generated by the D2D user is not controlled, the performance of…

Networking and Internet Architecture · Computer Science 2025-11-04 Shi Gengtian , Takashi Koshimizu , Megumi Saito , Pan Zhenni , Liu Jiang , Shigeru Shimamoto

Current end-to-end (E2E) and plug-and-play (PnP) image reconstruction algorithms approximate the maximum a posteriori (MAP) estimate but cannot offer sampling from the posterior distribution, like diffusion models. By contrast, it is…

Image and Video Processing · Electrical Eng. & Systems 2025-03-24 Jyothi Rikhab Chand , Mathews Jacob

Reduced voltage operation is an effective technique for substantial energy efficiency improvement in digital circuits. This brief introduces a simple approach for enabling reduced voltage operation of Deep Neural Network (DNN) accelerators…

Hardware Architecture · Computer Science 2025-05-12 Mikael Rinkinen , Lauri Koskinen , Olli Silven , Mehdi Safarpour

In this paper we present a review of the Kornia differentiable data augmentation (DDA) module for both for spatial (2D) and volumetric (3D) tensors. This module leverages differentiable computer vision solutions from Kornia, with an aim of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Jian Shi , Edgar Riba , Dmytro Mishkin , Francesc Moreno , Anguelos Nicolaou

The generic matrix multiply (GEMM) function is the core element of high-performance linear algebra libraries used in many computationally-demanding digital signal processing (DSP) systems. We propose an acceleration technique for GEMM based…

Mathematical Software · Computer Science 2015-05-30 Davide Anastasia , Yiannis Andreopoulos

Hardware faults on the regular 2-D computing array of a typical deep learning accelerator (DLA) can lead to dramatic prediction accuracy loss. Prior redundancy design approaches typically have each homogeneous redundant processing element…

Hardware Architecture · Computer Science 2021-10-28 Cheng Liu , Cheng Chu , Dawen Xu , Ying Wang , Qianlong Wang , Huawei Li , Xiaowei Li , Kwang-Ting Cheng

The adaptation of foundation models has significantly advanced environmental audio deepfake detection (EADD), a rapidly growing area of research. These models are typically fine-tuned or utilized in their frozen states for downstream tasks.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-25 Orchid Chetia Phukan , Girish , Mohd Mujtaba Akhtar , Swarup Ranjan Behera , Nitin Choudhury , Arun Balaji Buduru , Rajesh Sharma , S. R Mahadeva Prasanna

Joint mitigation of IQ imbalance and PA nonlinearity is important for improving the performance of radio frequency (RF) transmitters. In this paper, we propose a new neural network (NN) model, which can be used for joint digital…

Systems and Control · Electrical Eng. & Systems 2025-05-08 Yundi Zhang , Wendong Cheng , Li Chen

Cell-free massive MIMO (multiple-input multiple-output) is a key enabler for the sixth generation (6G) of mobile networks, offering significant spectral and energy efficiency gains through user-centric operation of distributed access points…

Signal Processing · Electrical Eng. & Systems 2025-07-30 Özlem Tuğfe Demir , Emil Björnson

The performance of audio latent diffusion models is primarily governed by generator expressivity and the modelability of the underlying latent space. While recent research has focused primarily on the former, as well as improving the…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-12 Alejandro Luebs , Mithilesh Vaidya , Ishaan Kumar , Sumukh Badam , Stephen W. Bailey , Matthew Bendel , Jose Sotelo , Xingzhe He

Measured impulse responses obtained from a dynamic unmanned aerial vehicle (UAV) channel sounding system exhibit effects attributable to time-varying carrier frequency offset (CFO) and sampling frequency offset (SFO). To correct the…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Lorenz Mohr , Marc Miranda , Sebastian Semper , Julia Beuster , Carsten Andrich , Sebastian Giehl , Christian Schneider , Reiner S. Thomä

Modern radio systems and transceivers utilize carrier aggregation (CA) to meet the demands for higher and higher data rates. However, the adoption of CA in the existing Long Term Evolution (LTE)-Advanced and emerging 5G New Radio (NR)…

Signal Processing · Electrical Eng. & Systems 2018-12-11 Muhammad Zeeshan Waheed , Pablo Pascual Campo , Dani Korpi , Adnan Kiayani , Lauri Anttila , Mikko Valkama

Telecommunication networks make extensive use of power amplifiers to broaden the coverage from transmitter to receiver. Achieving high power efficiency is challenging and comes at a price: the wanted linear performance is degraded due to…

Systems and Control · Computer Science 2018-04-23 Maarten Schoukens , Jules Hammenecker , Adam Cooman

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for future wireless systems. However, the low power transfer efficiency (PTE) is a critical challenge for practical implementations. One of the main inefficiency…

Signal Processing · Electrical Eng. & Systems 2024-11-21 Amirhossein Azarbahram , Onel L. A. López , Matti Latva-Aho

In the coming years, the satellite broadband market will experience significant increases in the service demand, especially for the mobility sector, where demand is burstier. Many of the next generation of satellites will be equipped with…

Signal Processing · Electrical Eng. & Systems 2019-06-04 Juan Jose Garau Luis , Markus Guerster , Inigo del Portillo , Edward Crawley , Bruce Cameron

Both uncertainty-assisted and iteration-based methods have achieved great success in stereo matching. However, existing uncertainty estimation methods take a single image and the corresponding disparity as input, which imposes higher…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Weiqing Xiao , Wei Zhao

A large majority of cellular networks deployed today make use of Frequency Division Duplexing (FDD) where, in contrast with Time Division Duplexing (TDD), the channel reciprocity does not hold and explicit downlink (DL) probing and uplink…

Information Theory · Computer Science 2019-12-09 Mahdi Barzegar Khalilsarai , Yi Song , Tianyu Yang , Saeid Haghighatshoar , Giuseppe Caire

Fiber nonlinearity represents a critical challenge to the capacity enhancement of modern optical communication systems. In recent years, significant research efforts have focused on mitigating its impact through two complementary…

Information Theory · Computer Science 2025-05-22 Stella Civelli , Dario Cellini , Enrico Forestieri , Marco Secondini

We present a novel method to fuse the power of deep networks with the computational efficiency of geometric and probabilistic localization algorithms. In contrast to other methods that completely replace a classical visual estimator with a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Valentin Peretroukhin , Jonathan Kelly