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Development and testing of multi-robot systems employing wireless signal-based sensing requires access to suitable hardware, such as channel monitoring WiFi transceivers, which can pose significant limitations. The WiFi Sensor for Robotics…

Building upon the foundational work of the Bachelor's Degree Thesis titled "Analysis and Characterization of Wi-Fi Channel State Information'', this thesis significantly advances the research by conducting an in-depth analysis of CSIs,…

网络与互联网体系结构 · 计算机科学 2024-11-06 Elena Tonini

WiFi sensing has emerged as a compelling contactless modality for human activity monitoring by capturing fine-grained variations in Channel State Information (CSI). Its ability to operate continuously and non-intrusively while preserving…

信号处理 · 电气工程与系统科学 2025-11-21 Guozhen Zhu , Yuqian Hu , Weihang Gao , Wei-Hsiang Wang , Beibei Wang , K. J. Ray Liu

We show how recent theoretical advances for data-propagation in Wireless Sensor Networks (WSNs) can be combined to improve gradient-based routing (GBR) in Wireless Sensor Networks. We propose a mixed-strategy of direct transmission and…

分布式、并行与集群计算 · 计算机科学 2007-05-23 Olivier Powell , Aubin Jarry , Pierre Leone , Jose Rolim

The development of wireless power transfer (WPT) and Internet of Things (IoT) offers significant potential but faces challenges such as limited energy supply, dynamic environmental changes, and unstable transmission links. This paper…

网络与互联网体系结构 · 计算机科学 2026-01-26 Wen Zhang , Aimin Wang , Geng Sun , Jiahui Li , Jiacheng Wang , Changyuan Zhao , Dusit Niyato

Indoor localization becomes a raising demand in our daily lives. Due to the massive deployment in the indoor environment nowadays, WiFi systems have been applied to high accurate localization recently. Although the traditional model based…

信号处理 · 电气工程与系统科学 2019-02-19 Chenlu Xiang , Zhichao Zhang , Shunqing Zhang , Shugong Xu , Shan Cao , Vincent LAU

Radio frequency (RF) wireless power transfer (WPT) is promising for promoting sustainability in future wireless systems, but its low end-to-end power transfer efficiency is a critical challenge. For this, reconfigurable intelligent surfaces…

信号处理 · 电气工程与系统科学 2025-01-06 Amirhossein Azarbahram , Onel L. A. López , Bruno Clerckx , Marco Di Renzo , Matti Latva-aho

Wideband spectrum sensing (WSS) is critical for orchestrating multitudinous wireless transmissions via spectrum sharing, but may incur excessive costs of hardware, power and computation due to the high sampling rate. In this article, a deep…

信号处理 · 电气工程与系统科学 2024-12-03 Peihao Dong , Jibin Jia , Shen Gao , Fuhui Zhou , Qihui Wu

Accurate channel state information (CSI) acquisition is essential for modern wireless systems, which becomes increasingly difficult under large antenna arrays, strict pilot overhead constraints, and diverse deployment environments. Existing…

信息论 · 计算机科学 2026-03-17 Xingyu Zhou , Le Liang , Hao Ye , Jing Zhang , Chao-Kai Wen , Shi Jin

This paper investigates the impact of the channel state information (CSI) and antenna correlation at the multi-antenna relay on the performance of wireless powered dual-hop amplify-and-forward relaying systems. Depending on the available…

信息论 · 计算机科学 2017-03-07 Han Liang , Caijun Zhong , Xiaoming Chen , Himal A. Suraweera , Zhaoyang Zhang

Simultaneous wireless information and power transfer (SWIPT) is an appealing solution to balance the energy distribution in wireless networks and improve the energy-efficiency of the entire network. In this paper, we study the optimal…

信息论 · 计算机科学 2014-08-12 Lansheng Hu , Chao Zhang , Jing Xu

In this paper, we consider a wireless powered communication network (WPCN) consisting of a multi-antenna hybrid access point (HAP) that transfers wireless energy to and receives sensing data from a cluster of low-power wireless devices…

网络与互联网体系结构 · 计算机科学 2017-07-12 Lina Yuan , Suzhi Bi , Shengli Zhang , Xiaohui Lin , Hui Wang

In this paper, we develop an innovative approach to quantitatively characterize the performance of ultra-dense wireless networks in a plethora of propagation environments. The proposed framework has the potential of significantly…

信号处理 · 电气工程与系统科学 2020-07-15 Imene Trigui , Sofiene Affes , Marco Di Renzo , Dushantha Nalin K. Jayakody

Integrated data and energy transfer (IDET) is considered as a key enabler of 6G, as it can provide both wireless energy transfer (WET) and wireless data transfer (WDT) services towards low power devices. Thanks to the extra degree of…

信息论 · 计算机科学 2025-12-19 Long Zhang , Yizhe Zhao , Halvin Yang , Guangming Liang , Jie Hu

This paper focuses on the secure transmission of wireless-powered relay systems with imperfect eavesdropper channel state information (ECSI). For efficient energy transfer and information relaying, a novel two-phase protocol is proposed, in…

信息论 · 计算机科学 2018-04-25 Jingping Qiao , Haixia Zhang , Feng Zhao , Dongfeng Yuan

Distributed estimation based on measurements from multiple wireless sensors is investigated. It is assumed that a group of sensors observe the same quantity in independent additive observation noises with possibly different variances. The…

信息论 · 计算机科学 2009-11-13 Shuguang Cui , Jinjun Xiao , Andrea Goldsmith , Zhi-Quan Luo , H. Vincent Poor

Energy-efficient communication is an important issue in wireless sensor networks (WSNs) consisting of large number of energy-constrained sensor nodes. Indeed, sensor nodes have different energy budgets assigned to data transmission at…

信息论 · 计算机科学 2014-01-17 Mohammed F. A. Ahmed , Sergiy A. Vorobyov

For a self-sustaining wireless communication system in Internet-of-Things (IoT) networks, energy harvesting (EH) can be implemented at each user node as a constant renewable power supply source. Hence, an investigation into the use of…

信息论 · 计算机科学 2020-04-16 Derek Kwaku Pobi Asiedu , Sumaila Mahama , Changick Song , Dongwan Kim , Kyoung-Jae Lee

Wireless Sensor Networks (WSNs) is an emerging technology in several application domains, ranging from urban surveillance to environmental and structural monitoring. Computational Intelligence (CI) techniques are particularly suitable for…

神经与进化计算 · 计算机科学 2018-10-08 Giovanni Iacca

Simultaneous wireless information and power transfer (SWIPT) has been recognized as a promising approach to improving the performance of energy constrained networks. In this paper, we investigate a SWIPT based three-step two-way…

信息论 · 计算机科学 2019-02-25 Liqin Shi , Wenchi Cheng , Yinghui Ye , Hailin Zhang , Rose Qingyang Hu
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