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Recurrent neural networks are nowadays successfully used in an abundance of applications, going from text, speech and image processing to recommender systems. Backpropagation through time is the algorithm that is commonly used to train…

Machine Learning · Computer Science 2018-01-10 Cedric De Boom , Thomas Demeester , Bart Dhoedt

In this paper, we propose an energy-efficient federated learning (FL) framework for the energy-constrained devices over cloud radio access network (Cloud-RAN), where each device adopts quantized neural networks (QNNs) to train a local FL…

Signal Processing · Electrical Eng. & Systems 2023-05-02 Jiali Wang , Yijie Mao , Ting Wang , Yuanming Shi

Machine learning for wireless systems is commonly studied using standardized stochastic channel models (e.g., TDL/CDL/UMa) because of their legacy in wireless communication standardization and their ability to generate data at scale.…

Signal Processing · Electrical Eng. & Systems 2025-12-16 João Morais , Akshay Malhotra , Shahab Hamidi-Rad , Ahmed Alkhateeb

Spatio-temporal modeling as a canonical task of multivariate time series forecasting has been a significant research topic in AI community. To address the underlying heterogeneity and non-stationarity implied in the graph streams, in this…

Wireless positioning systems that are implemented by means of a Cloud Radio Access Networks (C-RANs) may provide cost-effective solutions, particularly for indoor localization. In a C-RAN, the baseband processing, including localization, is…

Information Theory · Computer Science 2016-11-18 Seongah Jeong , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

In this work, we present a novel approach to calibrate segmentation networks that considers the inherent challenges posed by different categories and object regions. In particular, we present a formulation that integrates class and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Balamurali Murugesan , Julio Silva-Rodriguez , Ismail Ben Ayed , Jose Dolz

Virtualized Radio Access Networks (vRANs) are fully configurable and can be implemented at a low cost over commodity platforms to enable network management flexibility. In this paper, a novel vRAN reconfiguration problem is formulated to…

Networking and Internet Architecture · Computer Science 2023-07-07 Fahri Wisnu Murti , Samad Ali , George Iosifidis , Matti Latva-aho

Resource allocation is of great importance in the next generation wireless communication systems, especially for cognitive radio networks (CRNs). Many resource allocation strategies have been proposed to optimize the performance of CRNs.…

Information Theory · Computer Science 2018-07-17 Fuhui Zhou , Xiongjian Zhang , Rose Qingyang Hu , Apostolos Papathanassiou , Weixiao Meng

To enable DNNs on edge devices like mobile phones, low-rank approximation has been widely adopted because of its solid theoretical rationale and efficient implementations. Several previous works attempted to directly approximate a…

Machine Learning · Computer Science 2020-05-01 Yuhui Xu , Yuxi Li , Shuai Zhang , Wei Wen , Botao Wang , Yingyong Qi , Yiran Chen , Weiyao Lin , Hongkai Xiong

Structured pruning is an effective compression technique to reduce the computation of neural networks, which is usually achieved by adding perturbations to reduce network parameters at the cost of slightly increasing training loss. A more…

Machine Learning · Computer Science 2021-10-22 Yinchuan Li , Xiaofeng Liu , Yunfeng Shao , Qing Wang , Yanhui Geng

We study the important and challenging problem of virtualized radio access network (vRAN) design in its most general form. We develop an optimization framework that decides the number and deployment locations of central/cloud units (CUs);…

Networking and Internet Architecture · Computer Science 2020-07-31 Fahri Wisnu Murti , Andres Garcia-Saavedra , Xavier Costa-Perez , George Iosifidis

There has been much recent interest in adapting undersampled trajectories in MRI based on training data. In this work, we propose a novel patient-adaptive MRI sampling algorithm based on grouping scans within a training set. Scan-adaptive…

Image and Video Processing · Electrical Eng. & Systems 2026-02-26 Siddhant Gautam , Angqi Li , Saiprasad Ravishankar

We present and study in this paper a simple algorithm that produces so called growing Parallel Random Apollonian Networks (P-RAN) in any dimension d. Analytical derivations show that these networks still exhibit small-word and scale-free…

Discrete Mathematics · Computer Science 2009-04-30 Nicolas Bonnel , Pierre-François Marteau , Gildas G. Ménier

The Open Radio Access Network (Open RAN) paradigm, and its reference architecture proposed by the O-RAN Alliance, is paving the way toward open, interoperable, observable and truly intelligent cellular networks. Crucial to this evolution is…

Networking and Internet Architecture · Computer Science 2025-10-08 Raoul Raftopoulos , Salvatore D'Oro , Tommaso Melodia , Giovanni Schembra

Recently, the incorporation of both temporal features and the correlation across time series has become an effective approach in time series prediction. Spatio-Temporal Graph Neural Networks (STGNNs) demonstrate good performance on many…

Machine Learning · Computer Science 2024-07-29 Wenbo Yan , Ying Tan

Enforcing orthonormal or isometric property for the weight matrices has been shown to enhance the training of deep neural networks by mitigating gradient exploding/vanishing and increasing the robustness of the learned networks. However,…

Machine Learning · Computer Science 2024-03-01 Zhen Qin , Xuwei Tan , Zhihui Zhu

Many machine learning algorithms have been developed under the assumption that data sets are already available in batch form. Yet in many application domains data is only available sequentially overtime via compute nodes in different…

Optimization and Control · Mathematics 2020-09-10 Alfredo Garcia , Luochao Wang , Jeff Huang , Lingzhou Hong

Federated Graph Learning (FGL) has emerged as a promising paradigm for breaking data silos among distributed private graphs. In practical scenarios involving heterogeneous distributed graph data, personalized Federated Graph Learning (pFGL)…

Machine Learning · Computer Science 2025-08-07 Guochen Yan , Xunkai Li , Luyuan Xie , Qingni Shen , Yuejian Fang , Zhonghai Wu

Distributed edge learning (DL) is considered a cornerstone of intelligence enablers, since it allows for collaborative training without the necessity for local clients to share raw data with other parties, thereby preserving privacy and…

Systems and Control · Electrical Eng. & Systems 2026-01-15 Paul Zheng , Navid Keshtiarast , Pradyumna Kumar Bishoyi , Yao Zhu , Yulin Hu , Marina Petrova , Anke Schmeink

Sparse random linear network coding (SRLNC) is an attractive technique proposed in the literature to reduce the decoding complexity of random linear network coding. Recognizing the fact that the existing SRLNC schemes are not efficient in…

Information Theory · Computer Science 2013-11-12 Kaveh Mahdaviani , Raman Yazdani , Masoud Ardakani