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Anja Skrivervik

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Publications associées (256)

Design of atomic clock cavity based on a loop-gap geometry and modified boundary conditions

Anja Skrivervik, Anton Evgeniev Ivanov

In this study, we investigate a concept that can be used to improve the magnetic field homogeneity in a microwave cavity applied in a novel, high-performance atomic frequency standard. We show that by modifying the boundary conditions in the case of a loop ...

2017

Editorial: EuCAP 2016

Anja Skrivervik

Inst Engineering Technology-Iet2017

Design Considerations for Wearable Antennas

Anja Skrivervik, Jovanche Trajkovikj, Benjamin Fuchs, Zvonimir Sipus

With the development of generalized connectivity and the increased use of Body Area Networks, wearable antennas have become ubiquitous in the last decade. Their design presents a challenge, as they per definition are located at the interface between free s ...

Ieee2016

Tri-Band, Polarization-Independent Reflectarray at Terahertz Frequencies: Design, Fabrication, and Measurement

Juan Ramon Mosig, Anja Skrivervik, Julien Perruisseau-Carrier, Mihai Adrian Ionescu, Clara-Fausta Moldovan, Hamed Hasani, Pietro Maoddi, Michele Tamagnone, Santiago Capdevila Cascante

In this paper, two THz reflectarray surfaces have been designed and fabricated in order to deflect a plane wave with any polarization and with a specific incident angle to three different specific directions each at distinct three frequencies of 0.7, 1.0 a ...

Ieee-Inst Electrical Electronics Engineers Inc2016

Study of Field Misalignment in a Cavity Used for Atomic Clock Applications

Anja Skrivervik

In vapor cell atomic clocks the atom-field interaction is typically obtained inside a microwave cavity resonator in which the microwave driving field together with a static magnetic field and an optical field are applied to excite the atoms. These fields a ...

Ieee2016

Special Issue: Selected Papers from the Loughborough Antennas & Propagation Conference (LAPC 2015)

Anja Skrivervik

Inst Engineering Technology-IET2016

A low-cost UWB sensor node powered by a piezoelectric harvester or solar cells

Nico de Rooij, Anja Skrivervik, Pierre-André Farine, Robert Andrew Lockhart, Danick Briand, Cyril Botteron, Christian Robert, Franz-Josef Haug, Pattanaphong Janphuang, Gabriele Tasselli

We propose an autonomous battery-less wireless sensor node that combines on a single printed circuit board an ultra-wideband (UWB) transmitter and its printed antenna, together with a piezoelectric cantilever and a solar cell array to harvest vibrations an ...

Elsevier2016

Compact Microwave Cavity with Increased Magnetic Field Homogeneity

Anja Skrivervik, Anton Evgeniev Ivanov

In this study we aim at improving the homogeneity of the magnetic field inside a microwave resonator cavity designed in line with the development of a novel, high performance frequency standard. We study the effect of modified boundary conditions applied t ...

2016

Design, Fabrication and Characterization of Terahertz Reflectarrays Based on a Silicon Substrate

Juan Ramon Mosig, Anja Skrivervik, Mihai Adrian Ionescu, Clara-Fausta Moldovan, Hamed Hasani, Michele Tamagnone, Santiago Capdevila Cascante

2015

Diminishing SAR for Wearable UHF Antennas

Anja Skrivervik, Jovanche Trajkovikj

This letter presents a study on the specific absorption rate (SAR) evaluation of UHF wearable antennas. A planar inverted-F antenna (PIFA) intended to operate in wireless body area networks (WBANs) is taken as an example for the investigation. The presence ...

Institute of Electrical and Electronics Engineers2015

Diversity Gain Influenced by Polarization and Spatial Diversity Techniques in Ultrawideband

Anja Skrivervik, Mohsen Koohestani

This paper presents an experimental investigation of diversity gain influenced by polarization and spatial diversity techniques in ultrawideband (UWB) radio technology. To this aim, two different coplanar-fed UWB diversity antennas having the same size and ...

2015

Performance evaluation of novel technologies for terahertz reflectarrays

Juan Ramon Mosig, Anja Skrivervik, Julien Perruisseau-Carrier, Mihai Adrian Ionescu, Clara-Fausta Moldovan, Wolfgang Amadeus Vitale, Hamed Hasani, Michele Tamagnone, Pietro Romano, Santiago Capdevila Cascante

2015

Single Layer Quad-Band Dual-Polarized Unit Cell for Reflectarray Antennas in Ku Band

Anja Skrivervik, Julien Perruisseau-Carrier, Hamed Hasani

2015

System fidelity factor evaluation of wearable ultra-wideband antennas for on-body communications

Anja Skrivervik, Mohsen Koohestani

This study reports an experimental study of the system fidelity factor (SFF) of ultra-wideband wireless body area network antennas in an on-body environment. This study also investigates the influence in the SFF because of the antenna polarisation with res ...

Inst Engineering Technology-Iet2015

Evaluation of graphene for terahertz reflectarray antennas

Juan Ramon Mosig, Anja Skrivervik, Mihai Adrian Ionescu, Clara-Fausta Moldovan, Hamed Hasani, Michele Tamagnone, Santiago Capdevila Cascante

2015

UHF W-BAN Antennas Operating in Indoor and Outdoor Environment

Anja Skrivervik, Jovanche Trajkovikj, Tomislav Debogovic

2015

Guest Editorial: Special Cluster on Antennas for Wireless Body Area Networks

Anja Skrivervik

The papers in this special section highlight current and emerging research in antennas for WBAN, as well as applications of this technology. This ssection brings together the latest work in antennas for in-, on-, and off-body communication, the WBAN channe ...

Institute of Electrical and Electronics Engineers2015

Single-Layer Quad-Band Printed Reflectarray Antenna with Dual Linear Polarization

Anja Skrivervik, Julien Perruisseau-Carrier, Hamed Hasani

A novel single layer, dual linear polarized unit cell is introduced for a quad-band reflectarray antenna in the Ku-band centered around 12, 13, 14, and 15.5 GHz. The unit-cell design is such that the resultant reflectarray antenna can be considered as four ...

2015

Propagation in Finite Lossy Media: An Application to WBAN

Anja Skrivervik

The Wireless Body Area Network (WBAN) has become an important part of the wireless communication world in the past decade leading to the need for efficient antennas for In-, On- and Off-Body links. The design of such antennas depends critically on the unde ...

Institute of Electrical and Electronics Engineers2015

An overview of W-BAN antennas designed at LEMA

Anja Skrivervik

W-BAN applications have been around since a long time, but have been experiencing a tremendous growth during the last decades. This results in the need of dedicated antennas, which are designed and optimized taking into account their lossy surroundings. De ...

2014

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