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We study a wireless edge-computing system which allows multiple users to simultaneously offload computation-intensive tasks to multiple massive-MIMO access points, each with a collocated multi-access edge computing (MEC) server.…

信号处理 · 电气工程与系统科学 2020-05-15 Rafia Malik , Mai Vu

In the traditional cellular-based mobile edge computing (MEC), users at the edge of the cell are prone to suffer severe inter-cell interference and signal attenuation, leading to low throughput even transmission interruptions. Such edge…

系统与控制 · 电气工程与系统科学 2023-12-05 Langtian Qin , Hancheng Lu , Yuang Chen , Baolin Chong , Feng Wu

This letter proposes a new user cooperative offloading protocol called user reciprocity in backscatter communication (BackCom)-aided mobile edge computing systems with efficient computation, whose quintessence is that each user can switch…

信息论 · 计算机科学 2024-01-02 Bowen Gu , Hao Xie , Dong Li

Cloud radio access network (C-RAN) and massive multiple-input-multiple-output (MIMO) are two key enabling technologies to meet the diverse and stringent requirements of the 5G use cases. In a C-RAN system with massive MIMO, fronthaul is…

信号处理 · 电气工程与系统科学 2018-10-11 Jobin Francis , Gerhard Fettweis

Emerging technologies and applications including Internet of Things (IoT), social networking, and crowd-sourcing generate large amounts of data at the network edge. Machine learning models are often built from the collected data, to enable…

分布式、并行与集群计算 · 计算机科学 2019-02-19 Shiqiang Wang , Tiffany Tuor , Theodoros Salonidis , Kin K. Leung , Christian Makaya , Ting He , Kevin Chan

This paper considers a wireless powered multiuser mobile edge computing (MEC) system, where a multi-antenna access point (AP) employs the radio-frequency (RF) signal based wireless power transfer (WPT) to charge a number of distributed…

信息论 · 计算机科学 2019-02-26 Feng Wang , Hong Xing , Jie Xu

Benefited from the advances of deep learning (DL) techniques, deep joint source-channel coding (JSCC) has shown its great potential to improve the performance of wireless transmission. However, most of the existing works focus on the…

信息论 · 计算机科学 2022-11-22 Kaiyi Chi , Qianqian Yang , Zhaohui Yang , Yiping Duan , Zhaoyang Zhang

The aim of this paper is to propose a computation offloading strategy for mobile edge computing. We exploit the concept of call graph, which models a generic computer program as a set of procedures related to each other through a weighted…

网络与互联网体系结构 · 计算机科学 2016-02-04 Paolo Di Lorenzo , Sergio Barbarossa , Stefania Sardellitti

Mixture-of-Experts (MoE) models improve the scalability of large language models (LLMs) by activating only a small subset of relevant experts per input. However, the sheer number of expert networks in an MoE model introduces a significant…

机器学习 · 计算机科学 2026-03-03 Qian Chen , Xianhao Chen , Kaibin Huang

Channel estimation in mmWave and THz-range wireless communications (producing Gb/Tb-range of data) is critical to configuring system parameters related to transmission signal quality, and yet it remains a daunting challenge both in software…

网络与互联网体系结构 · 计算机科学 2021-11-17 Zied Ennaceur , Anna Engelmann , Admela Jukan

Large machine learning models trained on diverse data have recently seen unprecedented success. Federated learning enables training on private data that may otherwise be inaccessible, such as domain-specific datasets decentralized across…

We present a dynamic resource allocation strategy for energy-efficient and Electromagnetic Field (EMF) exposure aware computation offloading at the wireless network edge. The goal is to maximize the overall system sum-rate of offloaded…

信号处理 · 电气工程与系统科学 2022-04-28 Mattia Merluzzi , Serge Bories , Emilio Calvanese Strinati

This paper studies a wireless powered mobile edge computing (MEC) system with device-to-device (D2D)-enabled task offloading. In this system, a set of distributed multi-antenna energy transmitters (ETs) use collaborative energy beamforming…

信息论 · 计算机科学 2019-11-01 Dixiao Wu , Feng Wang , Xiaowen Cao , Jie Xu

Mobile edge learning is an emerging technique that enables distributed edge devices to collaborate in training shared machine learning models by exploiting their local data samples and communication and computation resources. To deal with…

信号处理 · 电气工程与系统科学 2020-01-31 Xiaoran Cai , Xiaopeng Mo , Junyang Chen , Jie Xu

Integrating mobile edge computing (MEC) and wireless power transfer (WPT) has been regarded as a promising technique to improve computation capabilities for self-sustainable Internet of Things (IoT) devices. This paper investigates a…

信息论 · 计算机科学 2017-07-18 Feng Wang

The design of distributed mechanisms for interference management is one of the key challenges in emerging wireless small cell networks whose backhaul is capacity limited and heterogeneous (wired, wireless and a mix thereof). In this paper,…

网络与互联网体系结构 · 计算机科学 2014-01-14 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Matti Latva-aho

Mobile-edge computing (MEC) enhances the capacities and features of mobile devices by offloading computation-intensive tasks over wireless networks to edge servers. One challenge faced by the deployment of MEC in cellular networks is to…

信息论 · 计算机科学 2021-02-08 Zezu Liang , Yuan Liu , Tat-Ming Lok , Kaibin Huang

Federated learning (FL) enables edge devices to collaboratively train a machine learning model without sharing their raw data. Due to its privacy-protecting benefits, FL has been deployed in many real-world applications. However, deploying…

分布式、并行与集群计算 · 计算机科学 2024-10-16 Zhidong Gao , Zhenxiao Zhang , Yu Zhang , Tongnian Wang , Yanmin Gong , Yuanxiong Guo

Deep learning models have introduced various intelligent applications to edge devices, such as image classification, speech recognition, and augmented reality. There is an increasing need of training such models on the devices in order to…

机器学习 · 计算机科学 2022-01-27 Kaiqi Zhao , Yitao Chen , Ming Zhao

The rapid increase in connected devices has signifi- cantly intensified the computational and communication demands on modern telecommunication networks. To address these chal- lenges, integrating advanced Machine Learning (ML) techniques…

网络与互联网体系结构 · 计算机科学 2025-11-05 Mengyao Li , Noah Ploch , Sebastian Troia , Carlo Spatocco , Wolfgang Kellerer , Guido Maier