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Laboratoire d’analyse et d’architecture des systèmes

Publications de l'équipe MINC

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18609
29/11/2018

Physical layer abstraction for performance evaluation of leo satellite systems for iot using time-frequency aloha scheme

S.CLUZEL, M.DERVIN, J.RADZIK, S.CAZALENS, C.BAUDOIN, D.DRAGOMIRESCU

ISAE, Thalès Alenia Space, CNES, MINC

Manifestation avec acte : IEEE Global Conference on Signal and Information Processing ( GlobalSIP ) 2018 du 26 novembre au 29 novembre 2018, Anaheim (USA), Novembre 2018, pp.1076-1080 , N° 18609

Lien : https://hal.archives-ouvertes.fr/hal-02059899

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One of the main issues in using a Low Earth Orbit (LEO) satellite constellation to extend a Low-Powered Wide Area Network is the frequency synchronization. Using a link based on random access solves this concern, but also prevents delivery guarantees, and implies less predictable performance. This paper concerns the estimation of Bit Error Rate (BER) and Packet Error Rate (PER) using physical layer abstractions under a time and frequency random scheme, namely Time and Frequency Aloha. We first derive a BER calculation for noncoded QPSK transmission with one collision. Then, we use the 3GPP LTE NB-IoT coding scheme. We analyze the interference that could be induced by repetition coding scheme and propose an efficient summation to improve the decoder performance. Finally, to estimate a PER for any collided scenario, we propose a physical layer abstraction, which relies on an equivalent Signal-to-Noise Ratio (SNR) calculation based on Mutual Information.

146997
18630
01/11/2018

Towards the Design of Wireless Communicating Reinforced Concrete

G.LOUBET, A.TAKACS, D.DRAGOMIRESCU

MINC

Revue Scientifique : IEEE Access, Vol.6, pp.75002-75014, Novembre 2018 , N° 18630

Lien : https://hal.laas.fr/hal-02067206

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This paper addresses the concept of a smart-node wireless network designed for structural health monitoring applications. The network architecture is based on a smart mesh composed of sensing nodes and communicating nodes. The sensing nodes are used to implement the so named communicating material/communicating concrete and collect physical data for structural health monitoring purposes. These data are sent to the communicating nodes that interface the smart-node network with the digital world through the Internet. The sensing nodes are batteryless and wirelessly powered by the communicating nodes via a wireless power transmission interface. Experimental results have been obtained for a simplified sensing node using a LoRaWAN uplink wireless communication (from the sensing node to the communicating node) proving that the functionality of the sensing nodes can be controlled wirelessly by using only the wireless power transmission downlink.

147195
18301
28/09/2018

Measurement of Shock Wave and Particle Velocities in Shocked Dielectric Material from Millimeter-Wave Remote Sensing

B.ROUGIER, H.AUBERT, A.LEFRANCOIS

MINC, CEA-DAM

Manifestation avec acte : European Microwave Week ( EuMW ) 2018 du 23 septembre au 28 septembre 2018, Madrid (Espagne), Septembre 2018, 9p. , N° 18301

Lien : https://hal.laas.fr/hal-01876708

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A millimeter-wave remote sensing technique is used here as a noninvasive and continuous approach for the real-time measurement of shock wave velocity as well as the velocity of the shocked dielectric material during an impact. Experimental results obtained from planar symmetric impacts on PolyMethyl MethAcrylate (PMMA) cylinders are discussed and demonstrate that the proposed millimeter-wave remote sensing technique is highly convenient for deriving both the velocity of the shock wave and velocity of the shocked PMMA material. The proposed approach is applicable to any dielectric material subject to an impact and is an excellent candidate for deriving the equation of state of shocked materials.

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18603
23/09/2018

Compact Planar Integrated Rectenna for Batteryless IoT Applications

A.TAKACS, A.OKBA, H.AUBERT

MINC

Rapport LAAS N°18603, Septembre 2018

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This paper addresses a new topology of compact rectennas in which the rectifier is integrated directly on the radiating surface. The rectenna is designed for wireless power transmission or microwave energy harvesting application in ISM 900 MHz band and exhibits a very good measured conversion efficiency (>25%) on a non-optimal load (10kΩ) for very low microwave power densities (>0.18 µW/cm 2). The measured DC voltage (>330 mV for microwave power density of at least 0.22 µW/cm 2) obtained from this planar rectenna is in the range of the cold turn-on/start-up voltage of modern commercial off-the-shelf DC-to-DC boost converters and power management units. The proposed rectenna is also very compact: its physical surface (10.5 x 6 cm 2) is only 5% of the square wavelength at the operating frequency (860 MHz). Keywords-wireless power transmission, microwave energy harvesting, rectenna, internet of things. I. INTRODUCTION The rise of the Internet of Things (IoT) applications faces to a new challenge: how to power efficiently an enormous number of wireless sensors, intelligent tags, and devices? Nowadays, the use of a battery is almost a standard but, the topic of the self-powered/batteryless devices excites from longtime the scientific community and becomes recently an industrial reality for emerging innovative start-up and companies [1][2]. One solution to implement self-powered and/or batteryless devices is to use a wireless power transmission approach: an intentionally microwave transmitter (energy shower) will energize at distance a rectenna module (rectifier + antenna). The energy shower should operate in the ISM bands and is then subject to regulations. ISM 868/915 MHz band provides a good trade-off in terms of free-space losses (fixing the maximum operating range of such a system) and wavelength (fixing the size of receiving antenna of the rectenna module). Many rectenna designs operating in the ISM 868/915 MHz band were proposed in the past with a focus mainly on the measured intrinsic performances (e.g., efficiency, harvested DC power, etc.) [3]-[5]. From an industrial point of view, a successful rectenna design for IoT applications should be compact, low-profile and low-cost. The size of the rectenna module is determined mainly by the receiving antenna. Electronic devices should be also integrated with the antenna, e.g., the rectifier including its matching circuit, the Power Management Unit (PMU), the energy

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18276
12/09/2018

Dynamic Mechanical Simulation of Miniature Silicon Membrane during Air Blast for Pressure Measurement

J.VEYRUNES, J.RIONDET, A.FERRAND, M.LAVAYSSIERE, J.LUC, H.AUBERT, P.PONS

ICA, MINC, CEA-DAM

Manifestation avec acte : Eurosensors 2018 du 09 septembre au 12 septembre 2018, Graz (Autriche), Septembre 2018, 4p. , N° 18276

Lien : https://hal.laas.fr/hal-01852437

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The development of new ultra-fast sensors for pressure air blast monitoring requires taking into account the very short rise time of pressure occurring during explosion. Simulations show here that the dynamic mechanical behavior of membrane-based sensors depends significantly on this rise time when the fundamental mechanical resonant frequency of the membrane is higher than 10 MHz.

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18277
12/09/2018

Polyethylene Outgassing Study for MEMS Nuclear Radiation Sensor

D.KUMAR, J.PHILIPPE, S.CHARLOT, S.ASSIE-SOULEILLE, A.LECESTRE, A.FERRAND, H.AUBERT, P.PONS

MINC, TEAM, I2C, ICA

Manifestation avec acte : Eurosensors 2018 du 09 septembre au 12 septembre 2018, Graz (Autriche), Septembre 2018, 4p. , N° 18277

Lien : https://hal.laas.fr/hal-01852434

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In this paper, the out-gassing from PolyEthylene (PE) film is studied under nuclear irradiation for the design and fabrication of passive MEMS dosimeters. The fabrication of sensor needs high temperature process that leads to specific constraints on the PE film. Radiation chemical yield of hydrogen production (G H2) from PE under gamma irradiation is verified by mass spectroscopy after temperature annealing in vacuum up to 400°C. Prototypes are fabricated to validate the fabrication of the sensor and then irradiated with high energy gamma radiation (with dose of 20 kGy). Measurements of membrane deflections after irradiation validate the G H2 factor, showing low pollution level of PE during sensor fabrication.

144596
18625
01/09/2018

Compact Flat Dipole Rectenna for IoT Applications

A.OKBA, A.TAKACS, H.AUBERT

MINC

Revue Scientifique : Progress in Electromagnetics Research C. Pier C, Vol.87, pp.39-49, Septembre 2018 , N° 18625

Lien : https://hal.laas.fr/hal-02067191

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A new compact topology of rectenna, which combines a miniaturized wideband printed antenna and a rectifier integrated on the radiating surface, is reported in this paper. The rectenna is designed for ISM 900 MHz band and applied to wireless power transmission and energy harvesting to supply Ultra-Wideband tags for 3D indoor localization. The rectenna allows activating a DC-DC boost converter that supplies power to the tags. It exhibits a minimum conversion efficiency of 25% for very low microwave power densities (> 0.18 µW/cm 2) on the non-optimal loading impedance (of about 10 kΩ) of a commercial DC-to-DC boost converter and power management unit. The harvested DC voltage obtained from this novel rectenna exceeds 330 mV for microwave power density of 0.22 µW/cm 2. This measured DC voltage is in the range of the cold turn-on/start-up voltage of nowadays commercial off-the-shelf DC-to-DC boost converters and power management units. The proposed rectenna is also very compact, as its surface (11 × 6 cm 2) is of 0.05λ 2 at the operating frequency (860 MHz).

147173
18201
15/08/2018

Passive and Chipless Packaged Transducer for Wireless Pressure Measurement

J.PHILIPPE, R.DE PAOLIS, C.ARENAS BUENDIA, D.HENRY, A.COUSTOU, A.RUMEAU, H.AUBERT, P.PONS

MINC, I2C

Revue Scientifique : Sensors and Actuators A: Physical, Vol.279, pp.753-762, Août 2018 , N° 18201

Lien : https://hal.laas.fr/hal-01838614

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A new microwave fully passive, chipless and packaged sensor for wireless pressure monitoring in harsh environments (such as, extreme temperature, radioactive and/or toxic environments) is proposed in this paper. The sensor consists of a planar microstrip resonator, which is electromagnetically coupled with a high resistivity and thin silicon membrane. Prototypes have been designed and fabricated using a photoresist intermediate layer for the silicon membrane bonding. The electromagnetic simulation of the system is also performed in order to predict the transducer performances. Measurement results using the packaged sensor are provided to experimentally validate the simulation results and the manufacturing process.

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18617
01/08/2018

Addressing scalable, optimal and secure communications over LoRa networks: challenges and research directions

N.ACCETTURA, E.ALATA, P.BERTHOU, D.DRAGOMIRESCU, T.MONTEIL

SARA, TSF, MINC

Revue Scientifique : Internet Technology Letters, Vol.1, N°4, e54p., Août 2018 , N° 18617

Lien : https://hal.laas.fr/hal-02063758

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The Internet of Things (IoT) enables large scale deployments of very low power devices connected through wireless lossy links and able to interact with the surrounding environment (sensing and actuation). Two main challenges are then present: make them communicate; handle their energy consumption while respecting some cost constraints. Low Power Wide Area Networks (LPWANs) tackle these challenges by offering long-distance coverage while guaranteeing the use of a very little amount of energy for communications. Among many LPWAN technologies, Long Range (LoRa) networks provide a very promising but incomplete basis for satisfying the needs expressed by the applications running on low power devices. This paper describes the LoRa technology from the architectural point of view and points out those aspects that permit its seamless integration into the IoT. As major contribution , a focus on the current and future research on LoRa networks is provided by inspecting three facets: scalability, Quality of Service and security.

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18300
20/07/2018

Simultaneous Shock and Particle Velocities Measurement using a Single Microwave Interferometer on Pressed TATB Composition T2 Submitted to Plate Impact

B.ROUGIER, A.LEFRANCOIS, H.AUBERT, E.BOUTON, J.LUC, A.OSMONT, Y.BARBARIN

MINC, CEA-DAM, CEA/Gramat

Manifestation avec acte : International Detonation Symposium ( DetSymp ) 2018 du 15 juillet au 20 juillet 2018, Cambridge (USA), Juillet 2018, 7p. , N° 18300

Lien : https://hal.laas.fr/hal-01876716

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Microwave interferometry has been applied to study the shock initiation response of TATB-based HE samples in order to perform the simultaneous measurement of the shock and particle velocities. The particle velocity characterization is not possible with the standard phase method. Therefore the new analytic electromagnetic wave propagation method, based on the Doppler frequency shifts of reflecting moving dielectric interfaces, has been developed and applied to the single sustained shock experiment. The experimental results are compared with hydrocode numerical simulations and a good agreement is observed.

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