Search results for: A. Sibille

Items from 1 to 20 out of 41 results

article

Short-term and midterm survival of ruptured abdominal aortic aneurysms in the contemporary endovascular era

Charles S. Briggs, Joshua A. Sibille, Halim Yammine, Jocelyn K. Ballast, more

Journal of Vascular Surgery > 2018 > 68 > 2 > 408-414.e1

Endovascular aneurysm repair (EVAR) has been shown to reduce mortality in the emergent repair of ruptured abdominal aortic aneurysms (AAAs). However, long-term survival data for this group of patients are lacking with contemporary endovascular endografts. The purpose of this study was to evaluate both 30-day mortality rates and 1-year survival in patients undergoing emergent EVAR in a 43-facility...

article

Ethnic disparities in outcomes of patients with complicated type B aortic dissection

Halim Yammine, Jocelyn K. Ballast, William E. Anderson, John R. Frederick, more

Journal of Vascular Surgery > 2018 > 68 > 1 > 36-45

The objective of this study was to evaluate the difference in outcomes after endovascular intervention in patients with complicated type B aortic dissection (TBAD) based on ethnicity and blood pressure control.Between 2012 and 2016, there were 126 patients who underwent endovascular procedures for complicated TBAD at a single-institution quaternary referral center. Patients self-identified as African...

article

IP095. Long-Term Survival of Ruptured Abdominal Aortic Aneurysms in the Contemporary Endovascular Era

Joshua A. Sibille, Charles S. Briggs, Jocelyn K. Ballast, William Anderson, more

Journal of Vascular Surgery > 2017 > 65 > 6(S) > 80S-81S

article

PC044 Ethnic Disparities in Outcomes in Patients With Complicated Type B Aortic Dissection

Halim Yammine, Jocelyn K. Ballast, William Anderson, Joshua A. Sibille, more

Journal of Vascular Surgery > 2017 > 65 > 6(S) > 150S-151S

chapter

Backscatter Communication Using Ultrawide Bandwidth Signals for RFID Applications

F. Guidi, D. Dardari, C. Roblin, A. Sibille

The Internet of Things > RFID and Sensor Networks Technologies > 251-261

RFID technology for use in real-time object identification is being rapidly adopted in several fields such as logistic, automotive, surveillance, automation systems, etc. [1]. A radiofrequency identification (RFID) system consists of readers and tags applied to objects. The reader interrogates the tags via a wireless link to obtain the data stored on them. The cheapest RFID tags with the largest commercial...

chapter

UWB Antennas Integration Effects for Wireless Communication Applications

M.-A. Mellah, C. Roblin, A. Sibille

Ultra-Wideband, Short Pulse Electromagnetics 9 > UWB Communication > 449-455

In this chapter, a return loss measurement campaign was achieved to study the effect of the close environment on antenna’s behavior in wireless application scenarios. Five different planar ultra-wideband antennas were measured on different devices (keyboard, screen, Internet box, and two laptops). General similarities in the bandwidth and matching efficiency behaviors were noticed for the antennas...

article

Gammapathie monoclonale et insuffisance rénale : apparences trompeuses !

A. Colombo, A. Sibille, R. Mondon, I. Dosbaa, more

Nephrologie & Therapeutique > 2015 > 11 > 5 > 368-369

L’association gammapathie monoclonale (GM) et insuffisance rénale (IR) doit faire évoquer une « monoclonal gammopathy of renal significance » (MGRS). Cependant, le diagnostic de maladie rénale peut être posé à tort dans de rares cas.Une patiente de 77ans, hypertendue et suivie pour une GM IgM kappa depuis 2010, est adressée début 2014 pour une IR évoluant depuis 1an (créatinine à 210μmol/L contre...

chapter

Characterization of the exposure induced by a wireless network

A. Krayni, A. Hadjem, A. Sibille, C. Roblin, more

2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC) > 1

2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC)

During the last 20 years, the wireless technologies as well as the wireless services have known a remarkable growth. This wireless development has been fraught with large public concerns about the level of exposure to the electromagnetic fields (EMF) emitted by these systems. A rigorous characterization of the induced exposure is based essentially on the investigation of the “antenna-human body” interactions...

chapter

Statistical characterization of channel polarization for RFID backscattering channels

Z. Mhanna, A. Sibille, R. Contreras, C. Roblin

2013 7th European Conference on Antennas and Propagation (EuCAP) > 1883 - 1887

2013 7th European Conference on Antennas and Propagation (EuCAP)

This work investigates the phase difference between co- and cross-polarized multipath components (MPC), in the context of the radio channel modeling of a backscattering based RFID system. The analysis is based on a measurement campaign carried out in a variety of indoor environments over the 2–6 GHz band. The phase difference between the polarization components follows approximately a uniform distribution...

chapter

An UWB-UHF semi-passive RFID System for localization and tracking applications

R. D'Errico, M. Bottazzi, F. Natali, E. Savioli, more

2012 IEEE International Conference on RFID-Technologies and Applications (RFID-TA) > 18 - 23

2012 IEEE International Conference on RFID-Technologies and Applications (RFID-TA)

We present a novel radio-frequency identification (RFID) system with capability of localization and tracking of passive or semi-passive tags. Localization and tracking features are enabled by backscatter modulation on ultra-wide bandwidth tag's antenna. A ultra-high frequency signal allows the wake-up of the tags enabling the reduction of energy consumption and ensuring compatibility with existing...

article

Statistical Modeling of the Radio-Electric Properties of Wireless Terminals in their Environment

A. Sibille

IEEE Antennas and Propagation Magazine > 2012 > 54 > 6 > 117 - 129

This paper deals with the modeling of the statistical distribution of the effective gain of terminals. This incorporates both the characteristics of the antenna's radiation pattern in the situation of use, and the characteristics of the local propagation environment. A frequency-wise and frequency-correlated log-normally-distributed effective-gain model is proposed as a standard model of wide - although...

chapter

UWB RFID backscattered energy in the presence of nearby metallic reflectors

F Guidi, A Sibille, D Dardari, C Roblin

Proceedings of the 5th European Conference on Antennas and Propagation (EUCAP) > 1425 - 1429

2011 5th European Conference on Antennas and Propagation (EuCAP)

The joint use of Ultrawide bandwidth (UWB) technology and Radiofrequency identification (RFID) systems for real-time object identification and localization is a promising solution to overcome most of the limitations that affect current narrowband RFID systems, such as reduced area coverage or insufficient locating resolution. Thus, it is interesting to investigate how the UWB tags interact with the...

chapter

Propagation aware statistical modeling of MIMO terminal antennas

A Sibille, A J Braga

2010 IEEE Antennas and Propagation Society International Symposium > 1 - 4

2010 IEEE International Symposium Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting

We address the statistical modeling of multiple antennas terminals in realistic use conditions. An analysis is carried out of the generation of MIMO channel matrices in the Kronecker approximation, showing that it is valid for a set of multiple antenna terminals only if the generation is carried out independently per each terminal, rather than by using correlation and power shaping matrices computed...

article

Ultrawide Bandwidth RFID: The Next Generation?

D Dardari, R D'Errico, C Roblin, A Sibille, more

Proceedings of the IEEE > 2010 > 98 > 9 > 1570 - 1582

Future advanced radio-frequency identification (RFID) systems are expected to provide both identification and high-definition localization of objects with improved reliability and security while maintaining low power consumption and cost. Ultrawide bandwidth (UWB) technology is a promising solution for next generation RFID systems to overcome most of the limitations of the current narrow bandwidth...

chapter

A statistical model of handsets effective gain accounting for user influence and local propagation

A. Sibille, M. A. Mellah

Proceedings of the Fourth European Conference on Antennas and Propagation > 1 - 4

4th European Conference on Antennas and Propagation (EuCAP 2010)

In this work we investigate the statistical modeling of the radioelectric properties of wireless handsets in close proximity to a user head and without or with the presence of the hand. The analysis is based on a previous work highlighting the general value of such statistical models to describe the properties of terminals in their environment.

article

Efficient Generation of Spatially and Frequency Correlated Random Values for Cognitive Radio Network Simulators

A. Sibille

IEEE Transactions on Vehicular Technology > 2010 > 59 > 3 > 1121 - 1128

We address the generation of random values exhibiting both frequency-dependent spatial correlations and position or more generally terminal-dependent frequency correlations. This case is relevant for the development of radio system/network simulators operating over many bands or over a large spectrum, such as cognitive-radio-inspired networks. The simplistic Kronecker approximation does not allow...

chapter

A novel reconfigurable antenna with low frequency tuning and switchable UWB band

S. Loizeau, A. Sibille

2009 3rd European Conference on Antennas and Propagation > 1627 - 1631

2009 3rd European Conference on Antennas and Propagation. EuCAP 2009

In this paper a reconfigurable UWB antenna, which features a tuneable low frequency and a switchable UWB band, through the use of active components, is introduced. The antenna is based on a modified existing design, modifications which will be introduced in a first part. In a second part, optimization results are presented.

chapter

Optimization of a multi-band reconfigurable PIFA antenna

S. Loizeau, A. Sibille

2009 3rd European Conference on Antennas and Propagation > 796 - 800

2009 3rd European Conference on Antennas and Propagation. EuCAP 2009

In this paper a frequency reconfigurable PIFA antenna is introduced and optimized. It features two microwave switches for a total of four configurations. Measurements are done on the antenna, which are then used to re-optimize the design.

chapter

Multiple antennas effect in UWB spatial multiplexing

R. D'Errico, A. Sibille

2009 3rd European Conference on Antennas and Propagation > 249 - 253

2009 3rd European Conference on Antennas and Propagation. EuCAP 2009

This paper investigates the impact of multiple antenna design on UWB spatial multiplexing performance. Different antenna designs have been tested in linear array configuration. The performance evaluation is based on a UWB MIMO channel measurement campaign in the 2-10 GHz band in indoor scenarios.

chapter

A statistical analysis of antenna scattering in UWB arrays

R. D'Errico, C. Roblin, A. Sibille

2009 3rd European Conference on Antennas and Propagation > 2562 - 2566

2009 3rd European Conference on Antennas and Propagation. EuCAP 2009

A statistical approach of scattering interaction between close radiators within UWB arrays is proposed in this paper. The statistical analysis has been carried out for a class of UWB planar monopoles, obtained by random variation of three different antenna designs.

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INFONA - science communication portal

Search results for: A. Sibille

Short-term and midterm survival of ruptured abdominal aortic aneurysms in the contemporary endovascular era

Ethnic disparities in outcomes of patients with complicated type B aortic dissection

IP095. Long-Term Survival of Ruptured Abdominal Aortic Aneurysms in the Contemporary Endovascular Era

PC044 Ethnic Disparities in Outcomes in Patients With Complicated Type B Aortic Dissection

Backscatter Communication Using Ultrawide Bandwidth Signals for RFID Applications

UWB Antennas Integration Effects for Wireless Communication Applications

Gammapathie monoclonale et insuffisance rénale : apparences trompeuses !

Characterization of the exposure induced by a wireless network

Statistical characterization of channel polarization for RFID backscattering channels

An UWB-UHF semi-passive RFID System for localization and tracking applications

Statistical Modeling of the Radio-Electric Properties of Wireless Terminals in their Environment

UWB RFID backscattered energy in the presence of nearby metallic reflectors

Propagation aware statistical modeling of MIMO terminal antennas

Ultrawide Bandwidth RFID: The Next Generation?

A statistical model of handsets effective gain accounting for user influence and local propagation

Efficient Generation of Spatially and Frequency Correlated Random Values for Cognitive Radio Network Simulators

A novel reconfigurable antenna with low frequency tuning and switchable UWB band

Optimization of a multi-band reconfigurable PIFA antenna

Multiple antennas effect in UWB spatial multiplexing

A statistical analysis of antenna scattering in UWB arrays

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