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相关论文: Anatomical Region-Specific In Vivo Wireless Commun…

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Recent advances in experimental neuroscience allow, for the first time, non-invasive studies of the white matter tracts in the human central nervous system, thus making available cutting-edge brain anatomical data describing these global…

定量方法 · 定量生物学 2008-11-06 Jonathan J. Crofts , Desmond J. Higham

This letter provides a comparison of indoor radio propagation measurements and corresponding channel statistics at 28, 73, and 140 GHz, based on extensive measurements from 2014-2020 in an indoor office environment. Side-by-side comparisons…

信息论 · 计算机科学 2021-10-26 Yunchou Xing , Theodore S. Rappaport , Amitava Ghosh

We today live in the era of dynamic and mobile wireless enabled platforms. This kind of stringent communication capability in the face of volatile and turbulent mobility demands a fresh look at physical layer in general and antenna design…

网络与互联网体系结构 · 计算机科学 2016-02-08 Malay Ranjan Tripathy , Priya Ranjan

This paper presents a survey of energy efficiency of Medium Access Control (MAC) protocols for Wireless Body Area Sensor Networks (WBASNs). We highlight the features of MAC protocols along with their advantages and limitations in context of…

网络与互联网体系结构 · 计算机科学 2012-07-12 S. Hayat , N. Javaid , Z. A. Khan , A. Shareef , A. Mahmood , S. H. Bouk

The underwater acoustic channel is characterized by a path loss that depends not only on the transmission distance, but also on the signal frequency. Signals transmitted from one user to another over a distance $l$ are subject to a power…

信息论 · 计算机科学 2009-03-26 Daniel E. Lucani , Muriel Médard , Milica Stojanovic

Offloading of cellular traffic through a wireless local area network (WLAN) is theoretically evaluated. First, empirical data sets of the locations of WLAN internet access points are analyzed and an inhomogeneous Poisson process consisting…

性能 · 计算机科学 2014-03-12 Hiroshi Saito , Ryoichi Kawahara

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for 6G use cases. It enables a massive, yet sustainable deployment of batteryless energy neutral (EN) devices at unprecedented scale. Recent research on 6G is…

信号处理 · 电气工程与系统科学 2024-10-28 Benjamin J. B. Deutschmann , Thomas Wilding , Erik G. Larsson , Klaus Witrisal

We focus on interference mitigation and energy conservation within a single wireless body area network (WBAN). We adopt two-hop communication scheme supported by the the IEEE 802.15.6 standard (2012). In this paper, we propose a dynamic…

网络与互联网体系结构 · 计算机科学 2016-11-03 Mohamad Jaafar Ali , Hassine Moungla , Ahmed Mehaoua , Yong Xu

Millimeter-Wave (mmWave) (30-300 GHz) and D band (110-170 GHz) frequencies are poised to play a pivotal role in the advancement of sixth-generation (6G) systems and beyond with increased demand for greater bandwidth and capacity. This paper…

Nowadays, with increase in ageing population, Health care market keeps growing. There is a need for monitoring of Health issues. Body Area Network consists of wireless sensors attached on or inside human body for monitoring vital Health…

网络与互联网体系结构 · 计算机科学 2016-11-15 M. M. Yaqoob , I. Israr , N. Javaid , M. A. Khan , U. Qasim , Z. A. Khan

In the design of unmanned aerial vehicle (UAV) wireless communications, a better understanding of propagation characteristics and an accurate channel model are required. Measurements and comprehensive analysis for the UAV-based air-ground…

信号处理 · 电气工程与系统科学 2025-01-30 Zhuangzhuang Cui , Cesar Briso-Rodriguez , Ke Guan , Cesar Calvo-Ramirez , Bo Ai , Zhangdui Zhong

Communication at mmWave bands carries critical importance for 5G wireless networks. In this paper, we study the characterization of mmWave air-to-ground (AG) channels for unmanned aerial vehicle (UAV) communications. In particular, we use…

信息论 · 计算机科学 2017-10-17 Wahab Khawaja , Ozgur Ozdemir , Ismail Guvenc

Statistical prior channel knowledge, such as the wide-sense-stationary-uncorrelated-scattering (WSSUS) property, and additional side information both can be used to enhance physical layer applications in wireless communication. Generally,…

信号处理 · 电气工程与系统科学 2024-06-07 Benedikt Böck , Michael Baur , Nurettin Turan , Dominik Semmler , Wolfgang Utschick

This paper presents a new method for imaging, localizing, and tracking motion behind walls in real-time. The method takes advantage of the motion-induced variance of received signal strength measurements made in a wireless peer-to-peer…

其他计算机科学 · 计算机科学 2009-10-02 Joey Wilson , Neal Patwari

Future sixth-generation of wireless system is expected to provide data-rates in the order of 1 Tbps and latencies below 1 ms. Among others, one of the most promising strategies to meet these requirements is to operate at higher frequencies…

We present the statistical characterization of a 2x2 Multiple-Input Multiple-Output wireless link operated in a mode-stirred enclosure, with channel state information available only at the receiver (agnostic transmitter). Our wireless…

The frequency selectivity of wireless communication channels can be characterized by the delay spread Ds of the channel impulse response. If the delay spread is small compared to the bandwidth W of the input signal, that is, Ds*W…

信息论 · 计算机科学 2008-08-07 Georg Böcherer , Daniel Bielefeld

The wireless medium contains domain-specific information that can be used to complement and enhance traditional security mechanisms. In this paper we propose ways to exploit the spatial variability of the radio channel response in a rich…

密码学与安全 · 计算机科学 2016-11-18 Liang Xiao , Larry Greenstein , Narayan Mandayam , Wade Trappe

One of the major issues in Wireless Body Area Sensor Networks (WBASNs) is efficient localization. There are various techniques for indoor and outdoor environments to locate a person. This study evaluating and compares performance of…

网络与互联网体系结构 · 计算机科学 2012-07-09 Obaid ur Rehman , Nadeem Javaid , Ayesha Bibi , Zahoor Ali Khan

The wireless power transfer efficiency to implanted bioelectronic devices is constrained by several frequency-dependent physical mechanisms. Recent works have developed several mathematical formulations to understand these mechanisms and…