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Related papers: Bandwidth Analysis of Multiport Radio-Frequency Sy…

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This article proposes an estimate of multiport antenna bandwidth based on a generalization of a single-port Q-factor. The explicit derivation is based on converting the stored energy matrix to its port equivalent and on the port parameters…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Vojtech Neuman , Miloslav Capek , Lukas Jelinek

This paper presents a method to seamlessly extend the coverage of energy supply field for wireless sensor networks in order to free sensors from wires and batteries, where the multi-point scheme is employed to overcome path-loss…

Networking and Internet Architecture · Computer Science 2014-08-21 Daiki Maehara , Gia Khanh Tran , Kei Sakaguchi , Kiyomichi Araki , Minoru Furukawa

In the sciences and engineering, the concept of bandwidth is often subject to interpretation depending upon context and the requirements of a specific community. The focus of this work is to formulate this concept for a general class of…

General Physics · Physics 2022-06-01 Alireza Mojahed , Lawrence A. Bergman , Alexander F. Vakakis

The availability of very wide spectrum in millimeter wave bands combined with large antenna arrays and ultra dense networks raises two basic questions: What is the true value of overly abundant degrees of freedom and how can networks be…

Information Theory · Computer Science 2020-02-21 Felipe Gómez-Cuba , Elza Erkip , Sundeep Rangan , Francisco J. González-Castaño

WLAN devices have become a fundamental component of nowadays network deployments. However, even though traditional networking applications run mostly unchanged over wireless links, the actual interaction between these applications and the…

Networking and Internet Architecture · Computer Science 2009-02-04 Marc Portoles-Comeras , Albert Cabellos-Aparicio , Josep Mangues-Bafalluy , Jordi Domingo-Pascual

RF Wireless Power Transfer (WPT) emerges as a technology for charging autonomous devices, enabling simultaneous power and information transfer. However, with increasing distance, single-input, single-channel rectenna systems are not able to…

Systems and Control · Electrical Eng. & Systems 2021-12-17 Chesney Buyle , Bert Cox , Liesbet Van der Perre , Lieven De Strycker

Far-field microwave power transfer (MPT) will free wireless sensors and other mobile devices from the constraints imposed by finite battery capacities. Integrating MPT with wireless communications to support simultaneous information and…

Information Theory · Computer Science 2015-06-12 Kaibin Huang , Erik G. Larsson

How many links can be cut before a network is bisected? What is the maximal bandwidth that can be pushed between two nodes of a network? These questions are closely related to network resilience, path choice for multipath routing or…

Networking and Internet Architecture · Computer Science 2016-11-10 Rowan Kloti , Vasileios Kotronis , Bernhard Ager , Xenofontas Dimitropoulos

The key technologies of sixth generation (6G), such as ultra-massive multiple-input multiple-output (MIMO), enable intricate interactions between antennas and wireless propagation environments. As a result, it becomes necessary to develop…

Information Theory · Computer Science 2024-12-10 Bokai Xu , Jiayi Zhang , Qingfeng Lin , Huahua Xiao , Yik-Chung Wu , Bo Ai

In this paper, we consider the energy-bandwidth allocation for a network with multiple broadcast channels, where the transmitters access the network orthogonally on the assigned frequency band and each transmitter communicates with multiple…

Information Theory · Computer Science 2014-10-13 Zhe Wang , Vaneet Aggarwal , Xiaodong Wang

The widespread deployment of various networking technologies, coupled with the exponential increase in end- user data demand, have led to the proliferation of multi-homed, or multi-interface enabled, devices. These trends drove researchers…

Networking and Internet Architecture · Computer Science 2015-11-26 Karim Habak , Khaled A. Harras , Moustafa Youssef

An accurate and fast estimation of the available bandwidth in a network with varying cross-traffic is a challenging task. The accepted probing tools, based on the fluid-flow model of a bottleneck link with first-in, first-out multiplexing,…

Networking and Internet Architecture · Computer Science 2019-06-18 Sukhpreet Kaur Khangura , Sami Akın

The dynamics and performance of a two-coil resonant coupled wireless power transfer system are investigated. At high coupling, the frequency-splitting phenomenon occurs, in which the power transferred to the load attains its maximum at two…

Applied Physics · Physics 2020-12-01 Binh Duc Truong , Thuy Thi-Thien Le , Berardi Sensale-Rodriguez

Millimeter-wave (mmWave) frequency bands are expected to be used for future 5G networks due to the availability of large unused spectrum. However, the attenuation at mmWave frequencies is high. To resolve this issue, the utilization of high…

Signal Processing · Electrical Eng. & Systems 2020-01-20 Wahab Khawaja , Ozgur Ozdemir , Fatih Erden , Ender Ozturk , Ismail Guvenc

It is shown that bandwidth estimation in packet networks can be viewed in terms of min-plus linear system theory. The available bandwidth of a link or complete path is expressed in terms of a {\em service curve}, which is a function that…

Networking and Internet Architecture · Computer Science 2008-01-04 Jorg Liebeherr , Markus Fidler , Shahrokh Valaee

In this paper, we study optimization of multi-tone signals for wireless power transfer (WPT) systems. We investigate different non-linear energy harvesting models. Two of them are adopted to optimize the multi-tone signal according to the…

Information Theory · Computer Science 2019-03-06 Boules A. Mouris , Hadi Ghauch , Ragnar Thobaben , B. L. G. Jonsson

Wireless Power Transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, Radio Frequency identification (RFID) networks, etc. Although there has been some progress…

Information Theory · Computer Science 2017-10-11 Yang Huang , Bruno Clerckx

The problem of joint transfer of information and energy for wireless links has been recently investigated in light of emerging applications such as RFID and body area networks. Specifically, recent work has shown that the additional…

Information Theory · Computer Science 2016-11-15 Ali Mohammad Fouladgar , Osvaldo Simeone

Energy efficiency is an important design criterion for wireless communications. When parallel frequency channels are used for multiuser transmission, the channel bandwidths and user power are adjusted to maximize the sum information rate…

Information Theory · Computer Science 2018-09-18 Liang Dong , Xing Meng

In a MIMO radar network the multiple transmit elements may emit waveforms that differ on power and bandwidth. In this paper, we are asking, given that these two resources are limited, what is the optimal power, optimal bandwidth and optimal…

Information Theory · Computer Science 2023-07-19 Nil Garcia , Alexander M. Haimovich , Martial Coulon , Marco Lops
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