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We consider a wireless network in which a source node needs to transmit a large file to a destination node. The direct wireless link between the source and the destination is assumed to be blocked. Multiple candidate relays are available to…

Networking and Internet Architecture · Computer Science 2025-08-29 Mandar R. Nalavade , Ravindra S. Tomar , Gaurav S. Kasbekar

This paper presents a novel distributed low-rank scheme and adaptive algorithms for distributed estimation over wireless networks. The proposed distributed scheme is based on a transformation that performs dimensionality reduction at each…

Information Theory · Computer Science 2017-10-03 Rodrigo C. de Lamare

This paper proposes a novel distributed reduced--rank scheme and an adaptive algorithm for distributed estimation in wireless sensor networks. The proposed distributed scheme is based on a transformation that performs dimensionality…

Information Theory · Computer Science 2014-11-06 S. Xu , R. C. de Lamare , H. V. Poor

We consider a dynamic content caching problem wherein the contents get updated at a central server, and local copies of a subset of contents are cached at a local cache associated with a Base station (BS). When a content request arrives,…

Networking and Internet Architecture · Computer Science 2024-12-02 Ankita Koley , Chandramani Singh

Dynamic race detection based on the happens before (HB) partial order has now become the de facto approach to quickly identify data races in multi-threaded software. Most practical implementations for detecting these races use timestamps to…

Programming Languages · Computer Science 2025-04-10 Minjian Zhang , Daniel Wee Soong Lim , Mosaad Al Thokair , Umang Mathur , Mahesh Viswanathan

We consider a system composed of a sensor node tracking a time varying quantity. In every discretized time slot, the node attempts to send an update to a central monitoring station through one of K communication channels. We consider the…

Systems and Control · Electrical Eng. & Systems 2022-07-19 Ishank Juneja , Santosh Fatale , Sharayu Moharir

Efficient multiple access remains a key challenge for emerging Internet of Things (IoT) networks comprising a large set of devices with sporadic activation, thus motivating significant research in the last few years. In this paper, we…

Information Theory · Computer Science 2025-02-13 Ophelia Giannini , Gabriel Martins de Jesus , Roberto Verdone , Onel Alcaraz López

We analyze Age of Information (AoI) in wireless networks where nodes use a spatially adaptive random access scheme to send status updates to a central base station. We show that the set of achievable AoI in this setting is convex, and…

Networking and Internet Architecture · Computer Science 2023-01-06 Nicholas Jones , Eytan Modiano

Age of information (AoI) is one of the key performance metrics for Internet of things (IoT) systems. Timely status updates are essential for many IoT applications; however, they are subject to strict constraints related on the available…

Information Theory · Computer Science 2021-08-05 Elvina Gindullina , Leonardo Badia , Deniz Gündüz

In this paper, we consider the problem of energy efficient uplink scheduling with delay constraint for a multi-user wireless system. We address this problem within the framework of constrained Markov decision processes (CMDPs) wherein one…

Networking and Internet Architecture · Computer Science 2009-08-25 Nitin Salodkar , Abhay Karandikar , V. S. Borkar

We consider a system with a local cache connected to a backend server and an end user population. A set of contents are stored at the the server where they continuously get updated. The local cache keeps copies, potentially stale, of a…

Networking and Internet Architecture · Computer Science 2025-04-10 Ankita Koley , Chandramani Singh

We study asynchronous distributed decision-making for scalable multi-agent bandit submodular maximization. We are motivated by distributed information-gathering tasks in unknown environments and under heterogeneous inter-agent communication…

Systems and Control · Electrical Eng. & Systems 2026-04-09 Pranjal Sharma , Zirui Xu , Vasileios Tzoumas

Age of information is a new concept that characterizes the freshness of information at end devices. This paper studies the age of information from a scheduling perspective. We consider a wireless broadcast network where a base-station…

Optimization and Control · Mathematics 2018-04-18 Yu-Pin Hsu

The optimal transmission strategy to minimize the weighted combination of age of information (AoI) and total energy consumption is studied in this paper. It is assumed that the status update information is obtained and transmitted at fixed…

Information Theory · Computer Science 2020-05-13 Haitao Huang , Deli Qiao , M. Cenk Gursoy

In this paper, we consider a discrete-time multi-agent system involving $N$ cost-coupled networked rational agents solving a consensus problem and a central Base Station (BS), scheduling agent communications over a network. Due to a hard…

Systems and Control · Electrical Eng. & Systems 2022-12-29 Shubham Aggarwal , Muhammad Aneeq uz Zaman , Melih Bastopcu , Tamer Başar

Recognizing implicit visual and textual patterns is essential in many real-world applications of modern AI. However, tackling long-tail pattern recognition tasks remains challenging for current pre-trained foundation models such as LLMs and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Minxue Tang , Yangyang Yu , Aolin Ding , Maziyar Baran Pouyan , Taha Belkhouja , Yujia Bao

This paper introduces a novel computational approach for offloading sensor data processing tasks to servers in edge networks for better accuracy and makespan. A task is assigned with one of several offloading options, each comprises a…

Networking and Internet Architecture · Computer Science 2025-05-05 Negar Erfaniantaghvayi , Zhongyuan Zhao , Kevin Chan , Ananthram Swami , Santiago Segarra

Grant-free non-orthogonal multiple access has been regarded as a viable approach to accommodate access for a massive number of machine-type devices with small data packets. The sporadic activation of the devices creates a multiuser setup…

Signal Processing · Electrical Eng. & Systems 2023-05-15 Yanna Bai , Wei Chen , Bo Ai , Petar Popovski

This paper considers optimization of power and delay in a time-varying wireless link using rateless codes. The link serves a sequence of variable-length packets. Each packet is coded and transmitted over multiple slots. Channel conditions…

Information Theory · Computer Science 2015-10-13 Xiaohan Wei , Michael J. Neely

The time average expected age of information (AoI) is studied for status updates sent from an energy-harvesting transmitter with a finite-capacity battery. The optimal scheduling policy is first studied under different feedback mechanisms…

Signal Processing · Electrical Eng. & Systems 2019-02-26 Elif Tuğçe Ceran , Deniz Gündüz , András György