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Wavefront shaping (WFS) schemes for efficient energy deposition in weakly lossy targets is an ongoing challenge for many classical wave technologies relevant to next-generation telecommunications, long-range wireless power transfer, and…

无序系统与神经网络 · 物理学 2020-11-19 Lei Chen , Tsampikos Kottos , Steven M. Anlage

Data loss in wireless sensor networks (WSNs) is quite prevalent. Since sensor nodes are employed for various critical applications, accurate recovery of missing data is important. Researchers have exploited different characteristics of WSN…

信号处理 · 电气工程与系统科学 2018-11-30 Neha Jain , Anubha Gupta , Vivek Ashok Bohara

Smart Grids measure energy usage in real-time and tailor supply and delivery accordingly, in order to improve power transmission and distribution. For the grids to operate effectively, it is critical to collect readings from…

信息论 · 计算机科学 2012-02-24 Sheng Cai , Jihang Ye , Minghua Chen , Jianxin Yan , Sidharth Jaggi

We propose an innovative meteorological radar, which uses reduced number of spatiotemporal samples without compromising the accuracy of target information. Our approach extends recent research on compressed sensing (CS) for radar remote…

信息论 · 计算机科学 2014-06-16 Kumar Vijay Mishra , Anton Kruger , Witold F. Krajewski

We propose a joint source-channel-network coding scheme, based on compressive sensing principles, for wireless networks with AWGN channels (that may include multiple access and broadcast), with sources exhibiting temporal and spatial…

信息论 · 计算机科学 2011-10-04 Soheil Feizi , Muriel Medard

In this paper, we use statistical tools to analysis dependency between Wireless Sensor Network (WSN) parameters and overall Energy Consumption (EC). Our approach has two main phases: profiling, and effective parameter extraction. In former,…

网络与互联网体系结构 · 计算机科学 2012-09-12 Najmeh Kamyabpour , Doan B. Hoang

Wireless Sensor Networks (WSNs) are being used in various applications such as structural health monitoring and industrial control. Since energy efficiency is one of the major design factors, the existing WSNs primarily rely on low-power,…

网络与互联网体系结构 · 计算机科学 2024-08-05 Chia-Chi Li , Vikram K. Ramanna , Daniel Webber , Cole Hunter , Tyler Hack , Behnam Dezfouli

A major challenge to implement the compressed sensing method for channel state information (CSI) acquisition lies in the design of a well-performed measurement matrix to reduce the dimension of sparse channel vectors. The widely adopted…

信息论 · 计算机科学 2020-07-14 Pengxia Wu , Zichuan Liu , Julian Cheng

The application of Compressive sensing approach to the speech and musical signals is considered in this paper. Compressive sensing (CS) is a new approach to the signal sampling that allows signal reconstruction from a small set of randomly…

声音 · 计算机科学 2015-02-06 Trifun Savic , Radoje Albijanic

The problem of wideband massive MIMO channel estimation is considered. Targeting for low complexity algorithms as well as small training overhead, a compressive sensing (CS) approach is pursued. Unfortunately, due to the Kronecker-type…

This paper proposes a spatially common sparsity based adaptive channel estimation and feedback scheme for frequency division duplex based massive multi-input multi-output (MIMO) systems, which adapts training overhead and pilot design to…

信息论 · 计算机科学 2023-10-20 Zhen Gao , Linglong Dai , Zhaocheng Wang , Sheng Chen

Wireless Sensor Networks (WSNs) are extensively utilized in critical applications, including remote monitoring, target tracking, healthcare systems, industrial automation, and smart control in both residential and industrial settings. One…

网络与互联网体系结构 · 计算机科学 2025-10-02 Almamoon Alauthman

Although wireless sensor networks (WSNs) are powerful in monitoring physical events, the data collected from a WSN are almost always incomplete if the surveyed physical event spreads over a wide area. The reason for this incompleteness is…

网络与互联网体系结构 · 计算机科学 2011-08-02 Liu Xiang , Jun Luo , Chenwei Deng , Athanasios V. Vasilakos , Weisi Lin

We consider a wireless sensor network consisting of multiple nodes that are coordinated by a fusion center (FC) in order to estimate a common signal of interest. In addition to being coordinated, the sensors are also able to collaborate,…

信息论 · 计算机科学 2012-10-15 Swarnendu Kar , Pramod K. Varshney

For ultra-wideband and high-rate wireless communication systems, wideband spectrum sensing (WSS) is critical, since it empowers secondary users (SUs) to capture the spectrum holes for opportunistic transmission. However, WSS encounters…

信息检索 · 计算机科学 2024-09-16 Jibin Jia , Peihao Dong , Fuhui Zhou , Qihui Wu

We show that to lower the sampling rate in a spread spectrum communication system using Direct Sequence Spread Spectrum (DSSS), compressive signal processing can be applied to demodulate the received signal. This may lead to a decrease in…

信息论 · 计算机科学 2012-10-11 Karsten Fyhn , Thomas Arildsen , Torben Larsen , Søren Holdt Jensen

Compressed sensing (CS) is a signal processing framework for efficiently reconstructing a signal from a small number of measurements, obtained by linear projections of the signal. In this paper we present an end-to-end deep learning…

图像与视频处理 · 电气工程与系统科学 2019-06-26 Yochai Zur , Amir Adler

Accurate spatio-temporal prediction is crucial for the sustainable development of smart cities. However, current approaches often struggle to capture important spatio-temporal relationships, particularly overlooking global relations among…

机器学习 · 计算机科学 2024-11-12 Ashutosh Sao , Simon Gottschalk

This paper presents an adaptive and intelligent sparse model for digital image sampling and recovery. In the proposed sampler, we adaptively determine the number of required samples for retrieving image based on space-frequency-gradient…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Ali Taimori , Farokh Marvasti

Due to non-homogeneous spread of sunlight, sensing nodes possess non-uniform energy budget in recharge- able Wireless Sensor Networks (WSNs). An energy-aware workload distribution strategy is therefore nec- essary to achieve good data…

网络与互联网体系结构 · 计算机科学 2014-04-16 Rajib Rana , Wen Hu , Chun Tung Chou
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