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Related papers: Revisiting Parameter Server in LLM Post-Training

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The adaptation of large-scale Vision-Language Models (VLMs) through post-training reveals a pronounced generalization gap: models fine-tuned with Reinforcement Learning (RL) consistently achieve superior out-of-distribution (OOD)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Aojun Lu , Tao Feng , Hangjie Yuan , Wei Li , Yanan Sun

This paper investigates a joint beamforming and resource allocation problem in downlink reconfigurable intelligent surface (RIS)-assisted orthogonal frequency division multiplexing (OFDM) systems to minimize the average delay, where data…

Artificial Intelligence · Computer Science 2025-07-25 Yu Ma , Xiao Li , Chongtao Guo , Le Liang , Michail Matthaiou , Shi Jin

The ever-growing volume and decentralized nature of data, coupled with the need to harness it and extract knowledge, have led to the extensive use of distributed deep learning (DDL) techniques for training. These techniques rely on local…

Machine Learning · Computer Science 2024-11-22 Michail Theologitis , Georgios Frangias , Georgios Anestis , Vasilis Samoladas , Antonios Deligiannakis

Deep learning is a popular machine learning technique and has been applied to many real-world problems. However, training a deep neural network is very time-consuming, especially on big data. It has become difficult for a single machine to…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-04 Xing Zhao , Aijun An , Junfeng Liu , Bao Xin Chen

Overlapped Speech Detection (OSD) is an important part of speech applications involving analysis of multi-party conversations. However, most of existing OSD systems are trained and evaluated on small datasets with limited application…

Sound · Computer Science 2023-09-08 Zhaohui Yin , Jingguang Tian , Xinhui Hu , Xinkang Xu , Yang Xiang

Most of the recent power line communication (PLC) systems and standards, both narrow-band and broadband, are based on orthogonal frequency-division multiplexing (OFDM). This multiplexing scheme however suffers from the high peak-to-average…

Signal Processing · Electrical Eng. & Systems 2018-10-17 Bamidele Adebisi , Khaled M. Rabie , Augustine Ikpehai , Cinna Soltanpur , Andrew Wells

The increasingly deeper neural networks hinder the democratization of privacy-enhancing distributed learning, such as federated learning (FL), to resource-constrained devices. To overcome this challenge, in this paper, we advocate the…

Machine Learning · Computer Science 2024-01-25 Zheng Lin , Guangyu Zhu , Yiqin Deng , Xianhao Chen , Yue Gao , Kaibin Huang , Yuguang Fang

Enabling On-Device Learning (ODL) for Ultra-Low-Power Micro-Controller Units (MCUs) is a key step for post-deployment adaptation and fine-tuning of Deep Neural Network (DNN) models in future TinyML applications. This paper tackles this…

Machine Learning · Computer Science 2023-05-31 Davide Nadalini , Manuele Rusci , Luca Benini , Francesco Conti

We propose and examine the idea of continuously adapting state-of-the-art neural network (NN)-based orthogonal frequency division multiplex (OFDM) receivers to current channel conditions. This online adaptation via retraining is mainly…

Collective communication (CC) is critical for scaling distributed machine learning (DML). The predictable traffic patterns of DML present a great opportunity for applying optical network technologies. Optical networks with reconfigurable…

Networking and Internet Architecture · Computer Science 2026-05-01 Changbo Wu , Zhuolong Yu , Gongming Zhao , Hongli Xu

Collective operations are common features of parallel programming models that are frequently used in High-Performance (HPC) and machine/ deep learning (ML/ DL) applications. In strong scaling scenarios, collective operations can negatively…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-04-01 Roman Iakymchuk , Amandio Faustino , Andrew Emerson , Joao Barreto , Valeria Bartsch , Rodrigo Rodrigues , Jose C. Monteiro

Dialogue state tracking (DST) is an important step in dialogue management to keep track of users' beliefs. Existing works fine-tune all language model (LM) parameters to tackle the DST task, which requires significant data and computing…

Computation and Language · Computer Science 2023-05-31 Mingyu Derek Ma , Jiun-Yu Kao , Shuyang Gao , Arpit Gupta , Di Jin , Tagyoung Chung , Nanyun Peng

We study federated learning (FL) over wireless fading channels where multiple devices simultaneously send their model updates. We propose an efficient age-aware edge-blind over-the-air FL approach that does not require channel state…

Information Theory · Computer Science 2026-03-20 Ahmed M. Elshazly , Ahmed Arafa

Distributed machine learning (ML) training has become a necessity with the prevalence of billion to trillion-parameter-scale models. While prior work has improved training efficiency from the ML perspective at the application layer, it…

Machine Learning · Computer Science 2026-05-05 Zechen Ma , Zixi Qu , Jinyan Yi , David Lin , Yashar Ganjali

This thesis is concerned with data-aided (DA) scheme and CFO tracking for OFDM system. OFDM system model is developed first without CFO and then with CFO. The system performance is evaluated via simulation. The bit error rate (BER),…

Signal Processing · Electrical Eng. & Systems 2022-10-17 Mohamed S. Elbakry

This study explores the promising potential of integrating sensing capabilities into multiple-input multiple-output (MIMO)-orthogonal frequency division multiplexing (OFDM)-based networks through innovative multi-sensor fusion techniques,…

Signal Processing · Electrical Eng. & Systems 2023-12-13 Elia Favarelli , Elisabetta Matricardi , Lorenzo Pucci , Wen Xu , Enrico Paolini , Andrea Giorgetti

In contrast to the classical cyclic prefix (CP)-OFDM, the time domain synchronous (TDS)-OFDM employs a known pseudo noise (PN) sequence as guard interval (GI). Conventional channel estimation methods for TDS-OFDM are based on the…

Networking and Internet Architecture · Computer Science 2012-01-04 Ming Liu , Matthieu Crussière , Jean-François Hélard

With the rapid expansion in the scale of large language models (LLMs), enabling efficient distributed inference across multiple computing units has become increasingly critical. However, communication overheads from popular distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-03 Han-Byul Kim , Duc Hoang , Arnav Kundu , Mohammad Samragh , Minsik Cho

Increasing demands on high data rate mobile communications services will inevitably drive future broadband mobile communication systems toward achieving data transmission rates in excess of 100 Mbps. One of the promising technologies which…

Information Theory · Computer Science 2012-09-24 Sanjay Singh , M. Sathish Kumar , H. S. Mruthyunjaya

The employment of high-performance servers and GPU accelerators for training deep neural network models have greatly accelerated recent advances in deep learning (DL). DL frameworks, such as TensorFlow, MXNet, and Caffe2, have emerged to…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-06-11 Soojeong Kim , Gyeong-In Yu , Hojin Park , Sungwoo Cho , Eunji Jeong , Hyeonmin Ha , Sanha Lee , Joo Seong Jeong , Byung-Gon Chun
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