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相关论文: Power Minimization for Age of Information Constrai…

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This study considers a wireless network where multiple nodes transmit status updates to a base station (BS) via a shared, error-free channel with limited bandwidth. The status updates arrive at each node randomly. We use the Age of…

信息论 · 计算机科学 2025-03-14 Yuqiao He , Yuchao Chen , Jintao Wang , Jian Song

We consider the scenario where a sender periodically sends a batch of data to a receiver over a multi-hop network, possibly using multiple paths. Our objective is to minimize peak/average Age-of-Information (AoI) subject to throughput…

网络与互联网体系结构 · 计算机科学 2019-05-20 Qingyu Liu , Haibo Zeng , Minghua Chen

Age of information (AoI) measures information freshness at the receiver. AoI may provide insights into quality of service in communication systems. For this reason, it has been used as a cross-layer metric for wireless communication…

系统与控制 · 电气工程与系统科学 2020-05-06 Onur Ayan , H. Murat Gürsu , Sandra Hirche , Wolfgang Kellerer

Semantic communication is emerging as an effective means of facilitating intelligent and context-aware communication for next-generation communication systems. In this paper, we propose a novel metric called Age of Incorrect Semantics…

信息论 · 计算机科学 2025-08-21 Xue Han , Biqian Feng , Yongpeng Wu , Xiang-Gen Xia , Wenjun Zhang , Shengli Sun

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

Interferences arising between wireless sensor-actuator systems communicating over shared wireless channels adversely affect closed loop control performance. To mitigate this problem we design appropriate channel access policies for wireless…

最优化与控制 · 数学 2018-10-30 Konstantinos Gatsis , Alejandro Ribeiro , George J. Pappas

This paper investigates the problem of minimizing the Age of Incorrect Information (AoII) when the communication channel has a random delay. We consider a slotted-time system where a transmitter observes a dynamic source and decides when to…

信息论 · 计算机科学 2023-01-19 Yutao Chen , Anthony Ephremides

Timely information updates are critical to time-sensitive applications in networked monitoring and control systems. In this paper, the problem of real-time status update is considered for a cognitive radio network (CRN), in which the…

网络与互联网体系结构 · 计算机科学 2020-01-29 Yao Zhao , Bo Zhou , Walid Saad , Xiliang Luo

In Internet of Things (IoTs), the freshness of system status information is crucial for real-time monitoring and decision-making. This paper studies the transmission scheduling problem in wireless monitoring systems, where information…

网络与互联网体系结构 · 计算机科学 2026-03-09 Yuchong Zhang , Yi Cao , Xianghui Cao

This paper investigates the average age of information (AoI) minimization in status update systems in which the update packets are transmitted with fixed rate. It is assumed that the source avoids queue-induced delay by generating and…

信息论 · 计算机科学 2019-08-19 Deli Qiao , M. Cenk Gursoy

We consider a multi-source relaying system where independent sources randomly generate status update packets which are sent to the destination with the aid of a relay through unreliable links. We develop transmission scheduling policies to…

信号处理 · 电气工程与系统科学 2023-01-10 Abolfazl Zakeri , Mohammad Moltafet , Markus Leinonen , Marian Codreanu

This paper considers an Industrial Internet of Thing (IIoT) system with a source monitoring a dynamic process with randomly generated status updates. The status updates are sent to an designated destination in a real-time manner over an…

信息论 · 计算机科学 2019-12-17 Qian Wang , He Chen , Yonghui Li , Zhibo Pang , Branka Vucetic

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 an Internet-of-Things system where status data are collected from sensors and actuators for time-critical applications, the freshness of data is vital and can be quantified by the recently proposed age-of-information (AoI) metric. In…

信息论 · 计算机科学 2018-03-23 Zhiyuan Jiang , Bhaskar Krishnamachari , Sheng Zhou , Zhisheng Niu

In 5G and beyond communication systems, the notion of latency gets great momentum in wireless connectivity as a metric for serving real-time communications requirements. However, in many applications, research has pointed out that latency…

网络与互联网体系结构 · 计算机科学 2023-05-16 Emmanouil Fountoulakis , Themistoklis Charalambous , Anthony Ephremides , Nikolaos Pappas

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 letter, a reconfigurable intelligent surface (RIS)-assisted simultaneous wireless information and power transfer (SWIPT) network is investigated. To quantify the freshness of the data packets at the information receiver, the age of…

信号处理 · 电气工程与系统科学 2022-10-05 Wanting Lyu , Yue Xiu , Jun Zhao , Zhongpei Zhang

Fueled by the rapid development of communication networks and sensors in portable devices, today many mobile users are invited by content providers to sense and send back real-time useful information (e.g., traffic observations and sensor…

信息论 · 计算机科学 2019-04-04 Xuehe Wang , Lingjie Duan

In this paper, we study age of information (AoI) optimization for status updating in an integrated sensing and communication (ISAC) system. We consider a discrete-time architecture in which a base station interacts with a physical…

信息论 · 计算机科学 2026-05-26 Marco Zanni , Mohamad Assaad , Touraj Soleymani

In this letter, we deal with the age of information (AoI) for a sensor network with wireless power transfer (WPT) capabilities. Specifically, we study a simple network topology, where a sensor node harvests energy from radio frequency…

信号处理 · 电气工程与系统科学 2018-12-19 Ioannis Krikidis