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This work focuses on minimizing the age of information for multiple energy harvesting sources that sample data and transmit it to a sink node. At each time, the central scheduler selects one of the sources to probe the quality of its…

系统与控制 · 电气工程与系统科学 2025-06-26 Akanksha Jaiswal , Arpan Chattopadhyay

Age of Information (AoI) measures the freshness of the information at a remote location. AoI reflects the time that is elapsed since the generation of the packet by a transmitter. In this paper, we consider a remote monitoring problem…

网络与互联网体系结构 · 计算机科学 2019-05-14 Anis Elgabli , Hamza Khan , Mounssif Krouka , Mehdi Bennis

We investigate the age of information (AoI) of a relay-assisted cooperative communication system, where a source node sends status update packets to the destination node as timely as possible with the aid of a relay node. For time-slotted…

信息论 · 计算机科学 2023-03-21 Haoyuan Pan , Jian Feng , Tse-Tin Chan , Victor C. M. Leung , Jianqiang Li

We consider a random access network consisting of source-destination pairs. Each source node generates status updates and transmits this information to its intended destination over a shared spectrum. The goal is to minimize the…

网络与互联网体系结构 · 计算机科学 2023-07-18 Zhiling Yue , Howard H. Yang , Meng Zhang , Nikolaos Pappas

We consider the problem of minimizing age of information in general single-hop and multihop wireless networks. First, we formulate a way to convert AoI optimization problems into equivalent network stability problems. Then, we propose a…

信息论 · 计算机科学 2021-01-26 Vishrant Tripathi , Eytan Modiano

As a consequence of the high variability of load demand and renewable generation, long-term and high-resolution inputs are required for power system expansion planning, making the problem intractable in real-world applications. Time series…

最优化与控制 · 数学 2025-10-29 Ruiqi Zhang , Ensieh Sharifnia , Simon H. Tindemans

In this paper, we consider a status update system, where an access point collects measurements from multiple sensors that monitor a common physical process, fuses them, and transmits the aggregated sample to the destination over an erasure…

信息论 · 计算机科学 2023-02-28 Guidan Yao , Chih-Chun Wang , Ness B. Shroff

Wireless powered mobile edge computing has been envisioned as a promising paradigm to enhance the computation capability of low-power wireless devices in Industrial Internet of Things. An efficient resource scheduling method is critical yet…

系统与控制 · 电气工程与系统科学 2020-04-28 Hao Wu , Hui Tian , Shaoshuai Fan , Jiazhi Ren

Frequent parameter exchanges between clients and the edge server incur substantial communication overhead, posing a critical bottleneck in federated learning (FL). By exploiting the superposition property of wireless waveforms, over-the-air…

分布式、并行与集群计算 · 计算机科学 2025-11-18 Ruihao Du , Jiaqi Zhu , Zeshen Li , Howard H. Yang

Crowd counting is gaining societal relevance, particularly in domains of Urban Planning, Crowd Management, and Public Safety. This paper introduces Fourier-guided attention (FGA), a novel attention mechanism for crowd count estimation…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Yashwardhan Chaudhuri , Ankit Kumar , Arun Balaji Buduru , Adel Alshamrani

Information aging has gained prominence in characterizing communication protocols for timely remote estimation and control applications. This work proposes an Age of Information (AoI)-aware threshold-based dynamic frame slotted ALOHA…

网络与互联网体系结构 · 计算机科学 2024-01-04 Masoumeh Moradian , Aresh Dadlani , Ahmad Khonsari , Hina Tabassum

Scheduling the power exchange between a population of heterogeneous distributed energy resources and the corresponding upper-level system is an important control problem in power systems. A key challenge is the large number of (partially…

系统与控制 · 电气工程与系统科学 2024-09-23 Riccardo Remo Appino , Veit Hagenmeyer , Timm Faulwasser

The proliferation of mobile devices and real-time status updating applications has motivated the optimization of data freshness in the context of age of information (AoI). Meanwhile, increasing computational demands have inspired research…

信息论 · 计算机科学 2025-05-21 Mengqiu Zhou , Meng Zhang , Howard H. Yang , Roy D. Yates

Age of Incorrect Information (AoII) is a newly introduced performance metric that considers communication goals. Therefore, comparing with traditional performance metrics and the recently introduced metric - Age of Information (AoI), AoII…

信息论 · 计算机科学 2025-12-19 Yutao Chen , Anthony Ephremides

We consider a real-time monitoring system where a source node (with energy limitations) aims to keep the information status at a destination node as fresh as possible by scheduling status update transmissions over a set of channels. The…

网络与互联网体系结构 · 计算机科学 2025-09-24 Mohamed A. Abd-Elmagid , Ming Shi , Eylem Ekici , Ness B. Shroff

Age of information (AoI) is a recently proposed metric for measuring information freshness. AoI measures the time that elapsed since the last received update was generated. We consider the problem of minimizing average and peak AoI in a…

信息论 · 计算机科学 2019-12-10 Rajat Talak , Sertac Karaman , Eytan Modiano

Iterative distributed optimization algorithms involve multiple agents that communicate with each other, over time, in order to minimize/maximize a global objective. In the presence of unreliable communication networks, the…

最优化与控制 · 数学 2022-01-28 Adrian Redder , Arunselvan Ramaswamy , Holger Karl

Tasks scheduling is the most challenging problem in the parallel computing. Hence, the inappropriate scheduling will reduce or even abort the utilization of the true potential of the parallelization. Genetic algorithm (GA) has been…

分布式、并行与集群计算 · 计算机科学 2012-09-25 Nourah Al-Angari , Abdullatif ALAbdullatif

In this paper we analyze the distribution of the Age of Information (AoI) of a tagged data stream sharing a processor with a set of other data streams. We do so in the highly general setting in which the interarrival times pertaining to the…

网络与互联网体系结构 · 计算机科学 2025-02-20 Yoshiaki Inoue , Michel Mandjes

Scheduling updates from remote sensors is a key task for the internet of things (IoT). In this context, the mathematical concept of age of information is often used to capture the freshness of received data. This is, in turn, relevant to…

信息论 · 计算机科学 2022-08-31 Andrea Munari , Leonardo Badia