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Current learning-based edge caching schemes usually suffer from dynamic content popularity, e.g., in the emerging short video platforms, users' request patterns shift significantly over time and across different edges. An intuitive solution…

Multimedia · Computer Science 2023-08-09 Bowei He , Yinan Mao , Shiji Zhou , Chen Ma , Zhi Wang

We study the problem of caching optimization in heterogeneous networks with mutual interference and per-file rate constraints from an energy efficiency perspective. A setup is considered in which two cache-enabled transmitter nodes and a…

Information Theory · Computer Science 2018-10-16 Estefanía Recayte , Giuseppe Cocco

Along with the fast development of network technology and the rapid growth of network equipment, the data throughput is sharply increasing. To handle the problem of backhaul bottleneck in cellular network and satisfy people's requirements…

Machine Learning · Computer Science 2022-08-19 Jianhang Zhu , Rongpeng Li , Guoru Ding , Chan Wang , Jianjun Wu , Zhifeng Zhao , Honggang Zhang

In this paper, we investigate a cache updating system with a server containing $N$ files, $K$ relays and $M$ users. The server keeps the freshest versions of the files which are updated with fixed rates. Each relay can download the fresh…

Information Theory · Computer Science 2020-12-29 Haibin Xie , Minquan Cheng , Yongbing Zhang

Edge caching is a new paradigm that has been exploited over the past several years to reduce the load for the core network and to enhance the content delivery performance. Many existing caching solutions only consider homogeneous caching…

Networking and Internet Architecture · Computer Science 2020-09-17 Md Ferdous Pervej , Le Thanh Tan , Rose Qingyang Hu

In this paper, we study joint batching and (task) scheduling to maximise the throughput (i.e., the number of completed tasks) under the practical assumptions of heterogeneous task arrivals and deadlines. The design aims to optimise the…

Signal Processing · Electrical Eng. & Systems 2023-07-28 Yihan Cang , Ming Chen , Kaibin Huang

In order to reduce the latency of data delivery, one of techniques is to cache the popular contents at the base stations (BSs) i.e. edge caching. However, the technique of caching at edge can only reduce the backhaul delay, other techniques…

Information Theory · Computer Science 2018-08-30 Tachporn Sanguanpuak , Sudarshan Guruacharya , Nandana Rajatheva , Matti Latva-aho

In this paper, we study the intricate realm of digital twin synchronization and deployment in multi-access edge computing (MEC) networks, with the aim of optimizing and balancing the two performance metrics Age of Information (AoI) and…

Networking and Internet Architecture · Computer Science 2024-09-19 Yongna Guo , Yaru Fu , Yan Zhang , Tony Q. S. Quek

We consider the problem of optimizing the freshness of status updates that are sent from a large number of low-power sources to a common access point. The source nodes utilize carrier sensing to reduce collisions and adopt an asynchronized…

Information Theory · Computer Science 2021-03-02 Ahmed M. Bedewy , Yin Sun , Rahul Singh , Ness B. Shroff

Mobile crowdsensing (MCS) counting on the mobility of massive workers helps the requestor accomplish various sensing tasks with more flexibility and lower cost. However, for the conventional MCS, the large consumption of communication…

Cryptography and Security · Computer Science 2021-10-19 Qin Hu , Zhilin Wang , Minghui Xu , Xiuzhen Cheng

Caching in multi-cell networks faces a well-known dilemma, i.e., to cache same contents among multiple edge nodes (ENs) to enable transmission cooperation/diversity for higher transmission efficiency, or to cache different contents to…

Information Theory · Computer Science 2018-02-21 Kangqi Liu , Meixia Tao

Mobile Edge Computing (MEC) enables low-latency applications by bringing computation closer to the user, but dynamic task arrivals and communication threats like jamming complicate reliable task offloading and resource allocation. In this…

Networking and Internet Architecture · Computer Science 2026-01-23 Ghazal Asemian , Mohammadreza Amini , Burak Kantarci

In status update scenarios, the freshness of information is measured in terms of age-of-information (AoI), which essentially reflects the timeliness for real-time applications to transmit status update messages to a remote controller. For…

Information Theory · Computer Science 2020-02-19 Qiaobin Kuang , Jie Gong , Xiang Chen , Xiao Ma

Edge caching can effectively reduce backhaul burden at core network and increase quality-ofservice at wireless edge nodes. However, the beneficial role of edge caching cannot be fully realized when the offloading link is in deep fade.…

Information Theory · Computer Science 2020-11-10 Yingyang Chen , Miaowen Wen , Ertugrul Basar , Yik-Chung Wu , Li Wang , Weiping Liu

Intelligent real-time applications, such as video surveillance, demand intensive computation to extract status information from raw sensing data. This poses a substantial challenge in orchestrating computation and communication resources to…

Networking and Internet Architecture · Computer Science 2023-10-31 Jingzhou Sun , Lehan Wang , Zhaojun Nan , Yuxuan Sun , Sheng Zhou , Zhisheng Niu

The deployment of inference services at the network edge, called edge inference, offloads computation-intensive inference tasks from mobile devices to edge servers, thereby enhancing the former's capabilities and battery lives. In a…

Information Theory · Computer Science 2023-01-02 Zhiyan Liu , Qiao Lan , Kaibin Huang

We consider a network of smart sensors for an edge computing application that sample a time-varying signal and send updates to a base station for remote global monitoring. Sensors are equipped with sensing and compute, and can either send…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-11 Luca Ballotta , Giovanni Peserico , Francesco Zanini , Paolo Dini

Cache-assisted ultra-dense mobile edge computing (MEC) networks are a promising solution for meeting the increasing demands of numerous Internet-of-Things mobile devices (IMDs). To address the complex interferences caused by small base…

Information Theory · Computer Science 2024-10-22 Tianqing Zhou , Bobo Wang , Dong Qin , Xuefang Nie , Nan Jiang , Chunguo Li

Caching the content closer to the user equipments (UEs) in heterogenous cellular networks (HetNets) improves user-perceived Quality-of-Service (QoS) while lowering the operators backhaul usage/costs. Nevertheless, under the current…

Information Theory · Computer Science 2019-02-01 M. G. Khoshkholgh , Keivan Navaie , Kang G. Shin , V. C. M. Leung , Halim Yanikomeroglu

To enhance the quality and speed of data processing and protect the privacy and security of the data, edge computing has been extensively applied to support data-intensive intelligent processing services at edge. Among these data-intensive…

Networking and Internet Architecture · Computer Science 2020-10-30 Yana Qin , Danye Wu , Zhiwei Xu , Jie Tian , Yujun Zhang