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A low-complexity soft-decision concatenated FEC scheme, consisting of an inner LDPC code and an outer staircase code is proposed. The inner code is tasked with reducing the bit error probability below the outer-code threshold. The…

信息论 · 计算机科学 2018-09-25 Masoud Barakatain , Frank R. Kschischang

Federated learning (FL) is a promising paradigm for multiple devices to cooperatively train a model. When applied in wireless networks, two issues consistently affect the performance of FL, i.e., data heterogeneity of devices and limited…

机器学习 · 计算机科学 2025-06-10 Tan Chen , Jintao Yan , Yuxuan Sun , Sheng Zhou , Zhisheng Niu

Distributed optimization, where the computations are performed in a localized and coordinated manner using multiple agents, is a promising approach for solving large-scale optimization problems, e.g., those arising in model predictive…

系统与控制 · 电气工程与系统科学 2020-04-07 Wentao Tang , Prodromos Daoutidis

Parallel code design is a challenging task especially when addressing petascale systems for massive parallel processing (MPP), i.e. parallel computations on several hundreds of thousands of cores. An in-house computational fluid dynamics…

性能 · 计算机科学 2018-07-03 Jérôme Frisch , Ralf-Peter Mundani

In this paper, we present a Fragmented Hybrid Cloud (FHC) that provides a unified view of multiple geographically distributed private cloud datacenters. FHC leverages a fragmented usage model in which outsourcing is bi-directional across…

数据库 · 计算机科学 2022-09-21 Yaser Mansouri , Faheem Ullah , Shagun Dhingra , M. Ali Babar

Thermostatically controlled loads such as refrigerators are exceptionally suitable as a flexible demand resource. This paper derives a decentralised load control algorithm for refrigerators. It is adapted from an existing continuous time…

系统与控制 · 计算机科学 2019-08-09 Simon Tindemans , Goran Strbac

The proliferation of cloud data center applications and network function virtualization (NFV) boosts dynamic and QoS dependent traffic into the data centers network. Currently, lots of network routing protocols are requirement agnostic,…

We introduce FedDCT, a novel distributed learning paradigm that enables the usage of large, high-performance CNNs on resource-limited edge devices. As opposed to traditional FL approaches, which require each client to train the full-size…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Quan Nguyen , Hieu H. Pham , Kok-Seng Wong , Phi Le Nguyen , Truong Thao Nguyen , Minh N. Do

The design of low-density parity-check (LDPC) code ensembles optimized for a finite number of decoder iterations is investigated. Our approach employs EXIT chart analysis and differential evolution to design such ensembles for the binary…

信息论 · 计算机科学 2016-11-17 Ian P. Mulholland , Enrico Paolini , Mark F. Flanagan

This work proposes a scheme for significantly reducing the computational complexity of discretized problems involving the non-smooth forward propagation of uncertainty by combining the adaptive hierarchical sparse grid stochastic…

计算物理 · 物理学 2015-09-07 Robert L. Gates , Maximilian R. Bittens

Federated learning (FL) achieves collaborative learning without the need for data sharing, thus preventing privacy leakage. To extend FL into a fully decentralized algorithm, researchers have applied distributed optimization algorithms to…

网络与互联网体系结构 · 计算机科学 2023-12-20 Akihito Taya , Yuuki Nishiyama , Kaoru Sezaki

We propose a low complexity complex valued Sphere Decoding (CV-SD) algorithm, referred to as Circular Sphere Decoding (CSD) which is applicable to multiple-input multiple-output (MIMO) systems with arbitrary two dimensional (2D)…

信息论 · 计算机科学 2016-11-17 Hwanchol Jang , Saeid Nooshabadi , Kiseon Kim , Heung-No Lee

Distributed deep learning frameworks like federated learning (FL) and its variants are enabling personalized experiences across a wide range of web clients and mobile/IoT devices. However, FL-based frameworks are constrained by…

Clustering is a promising approach for building hierarchies and simplifying the routing process in mobile ad-hoc network environments. The main objective of clustering is to identify suitable node representatives, i.e. cluster heads (CHs),…

分布式、并行与集群计算 · 计算机科学 2011-09-20 Damianos Gavalas , Grammati Pantziou , Charalampos Konstantopoulos , Basilis Mamalis

Tensors play a vital role in machine learning (ML) and often exhibit properties best explored while maintaining high-order. Efficiently performing ML computations requires taking advantage of sparsity, but generalized hardware support is…

硬件体系结构 · 计算机科学 2024-04-26 Gabriel Kulp , Andrew Ensinger , Lizhong Chen

Hadoop is an open source implementation of the MapReduce Framework in the realm of distributed processing. A Hadoop cluster is a unique type of computational cluster designed for storing and analyzing large data sets across cluster of…

分布式、并行与集群计算 · 计算机科学 2014-11-10 Muralikrishnan Ramane , Sharmila Krishnamoorthy , Sasikala Gowtham

This study considers that the collective route choices of travelers en route represent a resolution of their competition on network routes. Well understanding this competition and coordinating their route choices help mitigate urban traffic…

物理与社会 · 物理学 2019-11-14 Wang Peng , Lili Du

V2X (Vehicle-to-everything) communication relies on short messages for short-range transmissions over a fading wireless channel, yet requires high reliability and low latency. Hard-decision decoding sacrifices the preservation of diversity…

信息论 · 计算机科学 2024-08-08 Praveen Sai Bere , Mohammed Zafar Ali Khan , Lajos Hanzo

Coded elastic computing, introduced by Yang et al. in 2018, is a technique designed to mitigate the impact of elasticity in cloud computing systems, where machines can be preempted or be added during computing rounds. This approach utilizes…

信息论 · 计算机科学 2025-02-03 Xi Zhong , Samuel Lu , Joerg Kliewer , Mingyue Ji

In this work, we explore the unique challenges -- and opportunities -- of unsupervised federated learning (FL). We develop and analyze a one-shot federated clustering scheme, $k$-FED, based on the widely-used Lloyd's method for $k$-means…

机器学习 · 计算机科学 2021-10-06 Don Kurian Dennis , Tian Li , Virginia Smith