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Pure state of a physical system can be prepared in an infinite number of ways. Here, we prove that given a pure state of a quantum system it is impossible to distinguish two preparation procedures. Further, we show that if we can…

综合物理 · 物理学 2025-04-30 Arun Kumar Pati

In many sensing applications, typically radio signals are emitted by a radar and from the bounced reflections of the obstacles, inference about the environment is made. Even though radars can be used to sense the landscapes around the…

信息论 · 计算机科学 2021-12-20 Vijaya Yajnanarayana , Dongdong Huang , Deep Shrestha , Yi Geng , Ali Behravan , Erik Dahlman

In this letter, we present a distributed algorithm for flocking in complex environments that operates at constant altitude, without explicit communication, no a priori information about the environment, and by using only on-board sensing…

机器人学 · 计算机科学 2026-03-02 Manuel Boldrer , Vit Kratky , Viktor Walter , Martin Saska

Flooding is among the simplest and most fundamental of all distributed network algorithms. A node begins the process by sending a message to all its neighbours and the neighbours, in the next round forward the message to all the neighbours…

数据结构与算法 · 计算机科学 2019-07-17 Walter Hussak , Amitabh Trehan

The recent revolution in data-driven methods for weather forecasting has lead to a fragmented landscape of complex, bespoke architectures and training strategies, obscuring the fundamental drivers of forecast accuracy. Here, we demonstrate…

Variational quantum algorithms (VQAs) are prominent candidates for near-term quantum advantage but lack rigorous guarantees of convergence and generalization. By contrast, quantum phase estimation (QPE) provides provable performance under…

量子物理 · 物理学 2025-10-09 Tuyen Nguyen , Mária Kieferová

Basic synchronous flooding proceeds in rounds. Given a finite undirected (network) graph $G$, a set of sources $I \subseteq G$ initiate flooding in the first round by every node in $I$ sending the same message to all of its neighbours. In…

分布式、并行与集群计算 · 计算机科学 2020-09-15 Walter Hussak , Amitabh Trehan

Load balancing across parallel servers is an important class of congestion control problems that arises in service systems. An effective load balancer relies heavily on accurate, real-time congestion information to make routing decisions.…

分布式、并行与集群计算 · 计算机科学 2024-05-24 Gal Mendelson , Xu Kuang

This paper presents a forecasting model designed using WSNs (Wireless Sensor Networks) to predict flood in rivers using simple and fast calculations to provide real-time results and save the lives of people who may be affected by the flood.…

机器学习 · 计算机科学 2012-03-13 Victor Seal , Arnab Raha , Shovan Maity , Souvik Kr Mitra , Amitava Mukherjee , Mrinal Kanti Naskar

Global medium-range weather forecasting is critical to decision-making across many social and economic domains. Traditional numerical weather prediction uses increased compute resources to improve forecast accuracy, but cannot directly use…

This work considers a problem of integrated sensing and communication (ISAC) in which the goal of sensing is to detect a binary state. Unlike most approaches that minimize the total detection error probability, in our work, we disaggregate…

信息论 · 计算机科学 2025-02-03 Daewon Seo , Sung Hoon Lim

This paper concerns the transmission of two independent Gaussian sources over a two-user decentralized interference channel, assuming that the transmitters are unaware of the instantaneous CSIs. The availability of the channel state…

信号处理 · 电气工程与系统科学 2017-12-21 Mohammadreza Darabi

Mapping and localization are crucial problems in robotics and autonomous driving. Recent advances in 3D Gaussian Splatting (3DGS) have enabled precise 3D mapping and scene understanding by rendering photo-realistic images. However, existing…

机器人学 · 计算机科学 2025-01-24 Jaewon Lee , Mangyu Kong , Minseong Park , Euntai Kim

Coded-caching delivery is considered over a symmetric noisy broadcast channel whose state is unknown at the transmitter during the cache placement phase. In particular, the delivery phase is modeled by a state-dependent broadcast channel…

信息论 · 计算机科学 2018-02-02 Shirin Saeedi Bidokhti , Michèle Wigger , Aylin Yener , Abbas El Gamal

This paper studies a two-user state-dependent Gaussian multiple-access channel (MAC) with state noncausally known at one encoder. Two scenarios are considered: i) each user wishes to communicate an independent message to the common…

信息论 · 计算机科学 2017-05-05 Wei Yang , Yingbin Liang , Shlomo Shamai , H. Vincent Poor

In this paper, we study the problem of remote state estimation, in the presence of a passive eavesdropper. An authorized user estimates the state of an unstable linear plant, based on the packets received from a sensor, while the packets…

系统与控制 · 计算机科学 2017-09-15 Anastasios Tsiamis , Konstantinos Gatsis , George J. Pappas

As two valuable quantum resources, Einstein-Podolsky-Rosen entanglement and steering play important roles in quantum-enhanced communication protocols. Distributing such quantum resources among multiple remote users in a network is a crucial…

量子物理 · 物理学 2021-01-06 Meihong Wang , Yu Xiang , Haijun Kang , Dongmei Han , Yang Liu , Qiongyi He , Qihuang Gong , Xiaolong Su , Kunchi Peng

In many areas of decision-making, forecasting is an essential pillar. Consequently, many different forecasting methods have been proposed. From our experience, recently presented forecasting methods are computationally intensive, poorly…

机器学习 · 计算机科学 2023-09-29 André Bauer , Mark Leznik , Michael Stenger , Robert Leppich , Nikolas Herbst , Samuel Kounev , Ian Foster

Quantum key distribution (QKD), provides the only intrinsically unconditional secure method for communication based on principle of quantum mechanics. Compared with fiber-based demonstrations-, free-space links could provide the most…

In this paper, an artificial noise-aided strategy is presented for location-privacy preservation. A novel framework for the reduction of location-privacy leakage is introduced, where structured artificial noise is designed to degrade the…

信号处理 · 电气工程与系统科学 2023-02-20 Jianxiu Li , Urbashi Mitra