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Implantable wireless bioelectronic devices enable communication and/or power transfer through RF wireless connections with external nodes. These devices encounter notable design challenges due to the lossy nature of the host body, which…

医学物理 · 物理学 2024-07-03 Mingxiang Gao , Sujith Raman , Zvonimir Sipus , Anja K. Skrivervik

Antennas for wireless body area networks (WBAN) need to be modeled with adapted methods because the coupling with the body tissue does not allow for a clear separation between antenna and channel. Especially for dynamically varying on-body…

信号处理 · 电气工程与系统科学 2022-07-27 Lukas Berkelmann , Hendrik Jäschke , Leonardo Mörlein , Lukas Grundmann , Dirk Manteuffel

The rapid advances in sensors and ultra-low power wireless communication has enabled a new generation of wireless sensor networks: Wireless Body Area Networks (WBAN). To the best of our knowledge the current paper is the first to address…

性能 · 计算机科学 2016-12-07 Wafa Badreddine , Claude Chaudet , Federico Petruzzi , Maria Potop-Butucaru

New millimeter-wave wireless communication systems can be strongly impacted by the blockage introduced by the human body. At 60 GHz, the coverage of these systems is relatively limited due to high propagation losses. Thus, beamforming…

信号处理 · 电气工程与系统科学 2025-01-16 Mbissane Dieng , Gheorghe I. Zaharia , Ghaïs El Zein

A high degree of reliability for critical data transmission is required in body sensor networks (BSNs). However, BSNs are usually vulnerable to channel impairments due to body fading effect and RF interference, which may potentially cause…

网络与互联网体系结构 · 计算机科学 2010-11-16 Guowei Wu , Jiankang Ren , Feng Xia , Zichuan Xu

We investigate the existence of 'long-memory' or long-range dependence (LRD) of the wireless body-centric channels, e.g., on-body, body-to-body (B2B), with real-life experimental dataset collected from 10 co-located wireless body area…

信号处理 · 电气工程与系统科学 2019-02-04 Samiya M. Shimly , David B. Smith

Our goal is to model and measure functional and effective (directional) connectivity in multichannel brain physiological signals (e.g., electroencephalograms, local field potentials). The difficulties from analyzing these data mainly come…

应用统计 · 统计学 2017-12-04 Lechuan Hu , Norbert Fortin , Hernando Ombao

The classic wireless communication channel modeling is performed using Deterministic and Stochastic channel methodologies. Machine learning (ML) emerges to revolutionize system design for 5G and beyond. ML techniques such as supervise…

信号处理 · 电气工程与系统科学 2020-05-05 Saud Aldossari , Kwang-Cheng Chen

Millimeter-wave has become an integral part of 5G networks to meet the ever-increasing demand for user data throughput. Employing higher carrier frequencies introduces new challenges for the propagation channel such as higher path loss and…

网络与互联网体系结构 · 计算机科学 2019-10-28 Umur Karabulut , Ahmad Awada , Ingo Viering , Andre Noll Barreto , Gerhard P. Fettweis

Recent advances in Micro-Electro-Mechanical Systems (MEMS) technology, integrated circuits, and wireless communication have allowed the realization of Wireless Body Area Networks (WBANs). WBANs promise unobtrusive ambulatory health…

网络与互联网体系结构 · 计算机科学 2010-08-04 Sana Ullah , Pervez Khan , Niamat Ullah , Shahnaz Saleem , Henry Higgins , Kyung Sup Kwak

To support the extremely high spectral efficiency and energy efficiency requirements, and emerging applications of future wireless communications, holographic multiple-input multiple-output (H-MIMO) technology is envisioned as one of the…

信号处理 · 电气工程与系统科学 2023-08-30 Tierui Gong , Chongwen Huang , Jiguang He , Marco Di Renzo , Mérouane Debbah , Chau Yuen

Now days, interests in the application of Wireless Body Area Network (WBAN) have grown considerably. A number of tiny wireless sensors, strategically placed on the human body, create a wireless body area network that can monitor various…

网络与互联网体系结构 · 计算机科学 2011-12-05 Saeid Bahanfar , Ladan Darougaran , Helia Kousha , Shahram Babaie

To remotely monitor the physiological status of the human body, long range (LoRa) communication has been considered as an eminently suitable candidate for wireless body area networks (WBANs). Typically, a Rayleigh-lognormal fading channel…

信息论 · 计算机科学 2023-11-08 Minling Zhang , Guofa Cai , Zhiping Xu , Jiguang He , Markku Juntti

Constant monitoring of patients without disturbing their daily activities can be achieved through mobile networks. Sensor nodes distributed in a home environment to provide home assistance gives concept of Wireless Wearable Body Area…

网络与互联网体系结构 · 计算机科学 2012-07-12 B. Manzoor , N. Javaid , A. Bibi , Z. A. Khan , M. Tahir

The existence of wide-sense-stationarity (WSS) in narrowband wireless body-to-body networks is investigated for "everyday" scenarios using many hours of contiguous experimental data. We employ different parametric and non-parametric…

信号处理 · 电气工程与系统科学 2018-03-16 Samiya M. Shimly , David B. Smith , Samaneh Movassaghi

Path loss is a significant component of wireless communication channel design and analysis and reflects the reduction in a transmitted signal's power density. Due to the differences in the propagation conditions, wireless aerial channels'…

信息论 · 计算机科学 2021-01-29 Hazim Shakhatreh , Waed Malkawi , Ahmad Sawalmeh , Muhannad Almutiry , Ali Alenezi

Electromagnetic (EM) body models predict the impact of human presence and motions on the Radio-Frequency (RF) stray radiation received by wireless devices nearby. These wireless devices may be co-located members of a Wireless Local Area…

信号处理 · 电气工程与系统科学 2023-10-09 Stefano Savazzi , Federica Fieramosca , Sanaz Kianoush , Vittorio Rampa , Michele D'amico

Light-fidelity (LiFi) is a fully-networked bidirectional optical wireless communication (OWC) that is considered a promising solution for high-speed indoor connectivity. Unlike in conventional radio frequency wireless systems, the OWC…

信号处理 · 电气工程与系统科学 2020-01-28 Mohamed Amine Arfaoui , Mohammad Dehghani Soltani , Iman Tavakkolnia , Ali Ghrayeb , Chadi Assi , Majid Safari , Harald Haas

Quantum electro-mechanical systems offer a unique opportunity to probe quantum noise properties in macroscopic devices, properties which ultimately stem from the Heisenberg Uncertainty Principle. A simple example of this is expected to…

量子物理 · 物理学 2014-10-15 A. J. Weinstein , C. U. Lei , E. E. Wollman , J. Suh , A. Metelmann , A. A. Clerk , K. C. Schwab

Current developments in nanotechnology make electromagnetic communication (EC) possible at the nanoscale for applications involving Wireless [Body] Sensor Networks (W[B]SNs). This specialized branch of WSN has emerged as an important…

网络与互联网体系结构 · 计算机科学 2018-01-10 Fariha Afsana , Md. Asif-Ur-Rahman , Muhammad R. Ahmed , Mufti Mahmud , M. Shamim Kaiser