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Related papers: Optimizing Age-of-Information in Adversarial and S…

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We study the multi-user scheduling problem for minimizing the Age of Information (AoI) in cellular wireless networks under stationary and non-stationary regimes. We derive fundamental lower bounds for the scheduling problem and design…

Information Theory · Computer Science 2020-01-16 Subhankar Banerjee , Rajarshi Bhattacharjee , Abhishek Sinha

The Age-of-Information (AoI) is a new performance metric recently proposed for measuring the freshness of information in information-update systems. In this work, we conduct a systematic and comparative study to investigate the impact of…

Information Theory · Computer Science 2020-10-07 Zhongdong Liu , Liang Huang , Bin Li , Bo Ji

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…

Information Theory · Computer Science 2019-12-10 Rajat Talak , Sertac Karaman , Eytan Modiano

There is a growing interest in analysing the freshness of data in networked systems. Age of Information (AoI) has emerged as a popular metric to quantify this freshness at a given destination. There has been a significant research effort in…

Information Retrieval · Computer Science 2020-01-22 Jaya Prakash Champati , Ramana R. Avula , Tobias J. Oechtering , James Gross

We consider a wireless broadcast network with a base station sending time-sensitive information to a number of clients through unreliable channels. The Age of Information (AoI), namely the amount of time that elapsed since the most recently…

Networking and Internet Architecture · Computer Science 2018-01-08 Igor Kadota , Abhishek Sinha , Elif Uysal-Biyikoglu , Rahul Singh , Eytan Modiano

This paper considers a multi-user downlink scheduling problem with access to the channel state information at the transmitter (CSIT) to minimize the Age-of-Information (AoI) in a non-stationary environment. The non-stationary environment is…

Information Theory · Computer Science 2021-10-05 Avijit Mandal , Rajarshi Bhattacharjee , Abhishek Sinha

Age of information (AoI) is a recently proposed metric that measures the time elapsed since the generation of the last received information update. We consider the problem of AoI minimization for a network under general interference…

Networking and Internet Architecture · Computer Science 2018-05-18 Rajat Talak , Igor Kadota , Sertac Karaman , Eytan Modiano

Age-of-Information (AoI) is a recently proposed metric for quantifying the freshness of information from the UE's perspective in a communication network. Recently, Kadota et al. [1] have proposed an index-type approximately optimal…

Information Theory · Computer Science 2019-04-02 Arunabh Srivastava , Abhishek Sinha , Krishna Jagannathan

In this short paper, we consider the problem of designing a near-optimal competitive scheduling policy for $N$ mobile users, to maximize the freshness of available information uniformly across all users. Prompted by the unreliability and…

Information Theory · Computer Science 2020-05-13 Rajarshi Bhattacharjee , Abhishek Sinha

Optimization of information freshness in wireless networks has usually been performed based on queueing analysis that captures only the temporal traffic dynamics associated with the transmitters and receivers. However, the effect of…

Information Theory · Computer Science 2019-07-24 Howard H. Yang , Ahmed Arafa , Tony Q. S. Quek , H. Vincent Poor

Recent developments in cyber-physical systems have increased the importance of maximizing the freshness of the information about the physical environment. However, optimizing the access policies of Internet of Things devices to maximize the…

Networking and Internet Architecture · Computer Science 2025-12-16 José-Ramón Vidal , Vicent Pla , Luis Guijarro , Israel Leyva-Mayorga

Age of information (AoI), defined as the time elapsed since the last received update was generated, is a newly proposed metric to measure the timeliness of information updates in a network. We consider AoI minimization problem for a network…

Information Theory · Computer Science 2018-03-20 Rajat Talak , Sertac Karaman , Eytan Modiano

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…

Networking and Internet Architecture · Computer Science 2025-09-24 Mohamed A. Abd-Elmagid , Ming Shi , Eylem Ekici , Ness B. Shroff

We consider a wireless network with a base station serving multiple traffic streams to different destinations. Packets from each stream arrive to the base station according to a stochastic process and are enqueued in a separate (per stream)…

Networking and Internet Architecture · Computer Science 2019-05-20 Igor Kadota , Eytan Modiano

Consider a network where a wireless base station (BS) connects multiple source-destination pairs. Packets from each source are generated according to a renewal process and are enqueued in a single-packet queue that stores only the freshest…

Networking and Internet Architecture · Computer Science 2025-01-14 Zhuoyi Zhao , Igor Kadota

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…

Networking and Internet Architecture · Computer Science 2023-05-16 Emmanouil Fountoulakis , Themistoklis Charalambous , Anthony Ephremides , Nikolaos Pappas

Age-of-information (AoI) is a newly proposed performance metric of information freshness. It differs from the traditional delay metric, because it is destination centric and measures the time that elapsed since the last received fresh…

Networking and Internet Architecture · Computer Science 2019-01-15 Rajat Talak , Sertac Karaman , Eytan Modiano

Age of Information (AoI), measures the time elapsed since the last received information packet was generated at the source. We consider the problem of AoI minimization for single-hop flows in a wireless network, under pairwise interference…

Information Theory · Computer Science 2018-03-20 Rajat Talak , Sertac Karaman , Eytan Modiano

We consider a multi-source network with a common monitor, where fresh updates are generated at each source, following a Poisson process. At any time, at most one source can transmit its update to the monitor, and transmission time for…

Information Theory · Computer Science 2022-01-12 Kumar Saurav

We consider IoT sensor network where multiple sensors are connected to corresponding destination nodes via a relay. Thus, the relay schedules sensors to sample and destination nodes to update. The relay can select multiple sensors and…

Information Theory · Computer Science 2023-08-28 Jaeyoung Song , Deniz Gunduz , Wan Choi
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