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Drone-based entanglement distribution provides full spatiotemporal coverage for quantum networks, enabling quantum key distribution (QKD) in dynamic environments. The security of QKD fundamentally depends on high-fidelity quantum state…

Energy management is a crucial challenge in wireless sensor networks. To date, many techniques have been proposed to reduce energy consumption. Duty cycle methods reduce the energy consumption of wireless sensor networks since energy…

网络与互联网体系结构 · 计算机科学 2022-02-22 Mahta Moezzi , Parsa Emamdadi

Systems with 1-bit quantization and oversampling are promising for the Internet of Things (IoT) devices in order to reduce the power consumption of the analog-to-digital-converters. The novel time-instance zero-crossing (TI ZX) modulation…

信号处理 · 电气工程与系统科学 2023-03-17 Diana M. V. Melo , Lukas T. N. Landau , Rodrigo C. de Lamare

In this paper we study the problem of tracking an object moving randomly through a network of wireless sensors. Our objective is to devise strategies for scheduling the sensors to optimize the tradeoff between tracking performance and…

多智能体系统 · 计算机科学 2013-02-07 George K. Atia , Venugopal V. Veeravalli , Jason A. Fuemmeler

A simple feedback control algorithm is presented for distributed beamforming in a wireless network. A network of wireless sensors that seek to cooperatively transmit a common message signal to a Base Station (BS) is considered. In this…

信息论 · 计算机科学 2007-07-16 R. Mudumbai , J. Hespanha , U. Madhow , G. Barriac

Due to availability of large spectrum chunks, the sub-TeraHertz (subTHz) frequency band can support Ultra-WideBand (UWB) wireless communications, paving the way for unprecedented increase in the wireless network capacity. This fact is…

Recent advances in non-radiative wireless power transfer (WPT) technique essentially relying on magnetic resonance and near-field coupling have successfully enabled a wide range of applications. However, WPT systems based on double…

Suppose that wirelessly communicating sensors are placed in a regular fashion on the points of a lattice. Common communication protocols allow the sensors to broadcast messages at arbitrary times, which can lead to problems should two…

网络与互联网体系结构 · 计算机科学 2008-06-10 Andreas Klappenecker , Hyunyoung Lee , Jennifer L. Welch

Channel state feedback plays an important role to the improvement of link performance in current wireless communication systems, and even more in the next generation. The feedback information, however, consumes the uplink bandwidth and thus…

信息论 · 计算机科学 2017-05-17 Chunbo Luo

Signal-time coding, which combines the traditional encoding/modulation mode in the signal domain with signal pulse phase modulation in the time domain, was proposed to improve the information flow rate in relay networks. In this paper, we…

信息论 · 计算机科学 2009-07-13 Pingyi Fan , Pei Sun , Khaled Ben Letaief

This paper considers a wireless link with randomly arriving data that is queued and served over a time-varying channel. It is known that any algorithm that comes within $\epsilon$ of the minimum average power required for queue stability…

最优化与控制 · 数学 2014-11-19 Michael J. Neely

In this paper, the problem of low-latency communication and computation resource allocation for digital twin (DT) over wireless networks is investigated. In the considered model, multiple physical devices in the physical network (PN) needs…

信息论 · 计算机科学 2024-02-02 Zhaohui Yang , Mingzhe Chen , Yuchen Liu , Zhaoyang Zhang

One of the major task of sensor nodes in wireless sensor networks is to transmit a subset of sensor readings to the sink node estimating a desired data accuracy. Therefore in this paper, we propose an accuracy model using Steepest Decent…

网络与互联网体系结构 · 计算机科学 2012-07-19 Jyotirmoy Karjee , H. S Jamadagni

Extending network lifetime of battery-operated devices is a key design issue that allows uninterrupted information exchange among distributive nodes in wireless sensor networks. Collaborative beamforming (CB) and cooperative transmission…

信息论 · 计算机科学 2007-07-13 Zhu Han , H. Vincent Poor

We consider the problem of constructing a communication infrastructure from scratch, for a collection of identical wireless nodes. Combinatorially, this means a) finding a set of links that form a strongly connected spanning graph on a set…

网络与互联网体系结构 · 计算机科学 2012-10-17 Magnus M. Halldorsson , Pradipta Mitra

Several studies demonstrate that there are critical differences between real wireless networks and simulation models. This finding has permitted to extract spatial and temporal properties for links and to provide efficient methods as biased…

网络与互联网体系结构 · 计算机科学 2012-07-12 Mohamed-Haykel Zayani , Vincent Gauthier , Djamal Zeghlache

This paper presents a two-phase cooperative communication strategy and an optimal power allocation strategy to transmit sensor observations to a fusion center in a large-scale sensor network. Outage probability is used to evaluate the…

网络与互联网体系结构 · 计算机科学 2012-08-23 Li Li , Kamesh Namuduri , Shengli Fu

When sampling multiple signals, the correlation between the signals can be exploited to reduce the overall number of samples. In this paper, we study the sampling theory of multiple correlated signals, using correlation to sample them at…

信号处理 · 电气工程与系统科学 2022-10-11 Zhongyi Ni , Feng Ji , Hang Sheng , Hui Feng , Bo Hu

Phase, frequency, and time synchronization are crucial requirements for many applications, such as multi-static remote sensing and communication systems. Moreover, the synchronization solution becomes even more challenging when the nodes…

信号处理 · 电气工程与系统科学 2020-11-23 Juan Merlano Duncan , Liz Martinez-Marrero , Jorge Querol , Sumit Kumar , Adriano Camps , Symeon Chatzinotas , Bjorn Ottersten

We consider the problem of estimating timing of measurements and actuation in distributed sensor and control systems with central processing. The focus is on direct timing estimation for scenarios where clock synchronization is not feasible…

系统与控制 · 计算机科学 2013-09-10 John-Olof Nilsson , Peter Händel
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