Results 71 to 80 of about 115,454 (254)

Performance of MB-OFDM UWB and WiMAX IEEE 802.16e converged radio-over-fiber in PON [PDF]

open access: yes, 2009
Experimental results about the performance of converged radio-over- fiber transmission including multiband- OFDM UWB and WiMAX 802.16e wireless over a passive optical network are reported in this paper. The experimental study indicates that UWB and WiMAX
Beltran, Marta   +3 more
core  

Performance Analysis and Enhancement of Multiband OFDM for UWB Communications

open access: yes, 2006
In this paper, we analyze the frequency-hopping orthogonal frequency-division multiplexing (OFDM) system known as Multiband OFDM for high-rate wireless personal area networks (WPANs) based on ultra-wideband (UWB) transmission.
Lampe, L., Schober, R., Snow, C.
core   +1 more source

An indoor localization technique based on ultra-wideband AoD/AoA/ToA estimation [PDF]

open access: yes, 2016
P
Gaillot, Davy P.   +7 more
core   +2 more sources

An Overview of Signal Processing Techniques for Remote Health Monitoring Using Impulse Radio UWB Transceiver

open access: yesItalian National Conference on Sensors, 2020
Non-invasive remote health monitoring plays a vital role in epidemiological situations such as SARS outbreak (2003), MERS (2015) and the recently ongoing outbreak of COVID-19 because it is extremely risky to get close to the patient due to the spread of ...
Faheem Khan   +3 more
semanticscholar   +1 more source

Homogeneous Observer‐Based Affine Formation Tracking

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 36, Issue 5, Page 2692-2704, 25 March 2026.
ABSTRACT This article addresses the control of mobile agents, termed followers, to track a time‐varying affine formation specified by a set of leaders. We present a distributed hierarchical method composed of a homogeneous high‐order sliding mode observer and a tracking controller. The observer estimates the followers' target trajectories from neighbor
Rodrigo Aldana‐López   +3 more
wiley   +1 more source

Novel small-size directional antenna for UWB WBAN/WPAN applications [PDF]

open access: yes, 2005
This paper presents a novel small-size directional antenna design for ultrawide-band wireless body area networks/wireless personal area networks applications.
Klemm, M   +3 more
core   +2 more sources

Mutual Coupling Reduction Using F-Shaped Stubs in UWB-MIMO Antenna

open access: yesIEEE Access, 2018
A compact, high performance, and novel-shaped ultra-wideband (UWB) multiple-input multiple-output (MIMO) antenna with low mutual coupling is presented in this paper.
A. Iqbal   +3 more
semanticscholar   +1 more source

Defect Analysis of the β– to γ–Ga2O3 Phase Transition

open access: yesAdvanced Functional Materials, Volume 36, Issue 20, 9 March 2026.
The role of defects at all the relevant stages of the β$\beta$‐ to γ$\gamma$‐Ga2O3 polymorph transition is investigated using a multi method approach. The positron annihilation spectroscopy based results show that the defect density decreases after the transition, and that changes in defect configuration within the γ phase occur with increasing ...
Umutcan Bektas   +9 more
wiley   +1 more source

Protocol‐Agnostic Meta Key Distribution for Encrypted Wireless Communications Enabled by Space‐Time‐Coding Metasurface

open access: yesAdvanced Science, Volume 13, Issue 7, 3 February 2026.
This paper presents a programmable metasurface‐based Meta Key Distribution (MKD) system for secure, protocol‐independent key exchange in indoor wireless settings. By embedding entropy into the wireless channel, it enables lightweight, compatible cryptographic key generation.
Xinyu Li   +7 more
wiley   +1 more source

Joint distribution of polarization-multiplexed UWB and WiMAX radio in PON [PDF]

open access: yes, 2009
In this paper, the feasibility of the joint distribution of ultra-wideband (UWB) and WIMAX wireless using polarization multiplexing as a coexistence technique is proposed and experimentally demonstrated within the framework of passive optical networks ...
Llorente, Roberto   +3 more
core   +3 more sources

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