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相关论文: Optimal Status Update for Caching Enabled IoT Netw…

200 篇论文

Age-of-Information (AoI), or simply age, which measures the data freshness, is essential for real-time Internet-of-Things (IoT) applications. On the other hand, energy saving is urgently required by many energy-constrained IoT devices. This…

信息论 · 计算机科学 2021-08-16 Jie Gong , Jianhang Zhu , Xiang Chen , Xiao Ma

In this paper, a real-time Internet of Things (IoT) monitoring system is considered in which the IoT devices are scheduled to sample underlying physical processes and send the status updates to a common destination. In a real-world IoT, due…

信息论 · 计算机科学 2020-01-27 Bo Zhou , Walid Saad

In this paper, a real-time Internet of Things (IoT) monitoring system is considered in which multiple IoT devices must transmit timely updates on the status information of a common underlying physical process to a common destination. In…

信息论 · 计算机科学 2020-04-15 Bo Zhou , Walid Saad

In this paper, we consider the problem of optimizing the freshness of status updates that are sent from a large number of low-power source nodes to a common access point. The source nodes utilize carrier sensing to reduce collisions and…

信息论 · 计算机科学 2019-12-17 Ahmed M. Bedewy , Yin Sun , Rahul Singh , Ness B. Shroff

In this paper, the problem of minimizing the weighted sum of age of information (AoI) and total energy consumption of Internet of Things (IoT) devices is studied. In the considered model, each IoT device monitors a physical process that…

信息论 · 计算机科学 2021-09-09 Sihua Wang , Mingzhe Chen , Zhaohui Yang , Changchuan Yin , Walid Saad , Shuguang Cui , H. Vincent Poor

Recently, we have struck the balance between the information freshness, in terms of age of information (AoI), experienced by users and energy consumed by sensors, by appropriately activating sensors to update their current status in caching…

机器学习 · 计算机科学 2021-04-15 Chao Xu , Yiping Xie , Xijun Wang , Howard H. Yang , Dusit Niyato , Tony Q. S. Quek

Internet of Things (IoT) has emerged as one of the key features of the next generation wireless networks, where timely delivery of status update packets is essential for many real-time IoT applications. To provide users with context-aware…

信息论 · 计算机科学 2019-10-15 Chao Xu , Howard H. Yang , Xijun Wang , Tony Q. S. Quek

This paper considers a cooperative Internet of Things (IoT) system with a source aiming to transmit randomly generated status updates to a designated destination as timely as possible under the help of a relay. We adopt a recently proposed…

信息论 · 计算机科学 2021-01-05 Bohai Li , Qian Wang , He Chen , Yong Zhou , Yonghui Li

In compute-first networking, maintaining fresh and accurate status information at the network edge is crucial for effective access to remote services. This process typically involves three phases: Status updating, user accessing, and user…

网络与互联网体系结构 · 计算机科学 2024-12-25 Haosheng He , Jianpeng Qi , Chao Liu , Junyu Dong , Yanwei Yu

Content caching at the network edge has been considered an effective way of mitigating backhaul load and improving user experience. Caching efficiency can be enhanced by content recommendation and by keeping the information fresh. To the…

网络与互联网体系结构 · 计算机科学 2021-11-24 Ghafour Ahani , Di Yuan

Timely status updating is crucial for future applications that involve remote monitoring and control, such as autonomous driving and Industrial Internet of Things (IIoT). Age of Information (AoI) has been proposed to measure the freshness…

信息论 · 计算机科学 2020-01-29 Xi Zheng , Sheng Zhou , Zhisheng Niu

Edge nodes (ENs) in Internet of Things commonly serve as gateways to cache sensing data while providing accessing services for data consumers. This paper considers multiple ENs that cache sensing data under the coordination of the cloud.…

信息论 · 计算机科学 2020-09-01 Xiongwei Wu , Xiuhua Li , Jun Li , P. C. Ching , Victor C. M. Leung , H. Vincent Poor

We consider an energy harvesting (EH) IoT network, where users make on-demand requests to a cache-enabled edge node to send status updates about various random processes, each monitored by an EH sensor. The edge node serves users' requests…

系统与控制 · 电气工程与系统科学 2022-12-13 Mohammad Hatami , Markus Leinonen , Marian Codreanu

Mobile edge caching can effectively reduce service delay but may introduce information staleness, calling for timely content refreshing. However, content refreshing consumes additional transmission resources and may degrade the delay…

网络与互联网体系结构 · 计算机科学 2020-02-17 Shan Zhang , Liudi Wang , Hongbin Luo , Xiao Ma , Sheng Zhou

Many emerging Internet of Things (IoT) applications rely on information collected by sensor nodes where the freshness of information is an important criterion. \textit{Age of Information} (AoI) is a metric that quantifies information…

The freshness of status updates is imperative in mission-critical Internet of things (IoT) applications. Recently, Age of Information (AoI) has been proposed to measure the freshness of updates at the receiver. However, AoI only…

信息论 · 计算机科学 2020-03-03 Wenrui Lin , Xijun Wang , Chao Xu , Xinghua Sun , Xiang Chen

This paper studies strategic design in an integrated sensing and communication (ISAC) architecture for status updating of remotely navigating agents. We consider an ISAC-enabled base station that can sense the state of a remote source and…

信息论 · 计算机科学 2026-02-02 Touraj Soleymani , Mohamad Assaad , John S. Baras

In-network caching is a central aspect of Information-Centric Networking (ICN). It enables the rapid distribution of content across the network, alleviating strain on content producers and reducing content delivery latencies. ICN has…

网络与互联网体系结构 · 计算机科学 2019-05-06 Jakob Pfender , Alvin Valera , Winston K. G. Seah

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…

网络与互联网体系结构 · 计算机科学 2023-10-31 Jingzhou Sun , Lehan Wang , Zhaojun Nan , Yuxuan Sun , Sheng Zhou , Zhisheng Niu

In this paper, we consider an information update system where a wireless sensor sends timely updates to the destination over an erasure channel with the supply of harvested energy and reliable backup energy. The metric Age of…

信息论 · 计算机科学 2022-07-27 Lixin Wang , Fuzhou Peng , Xiang Chen , Shidong Zhou