[Performance des tags RFID de faible puissance fondés sur la modulation d'un signal rétrodiffusé]
Les systèmes RFID ultra large bande (ULB) opérant en rétrodiffusion offrent une solution prometteuse pour surmonter de nombreuses limites des systèmes RFID conventionnels à bande étroite. Ce travail porte sur la performance des tels systèmes du point de vue de la propagation entre les lecteurs et les tags. Ces systèmes consistent à disposer plusieurs lecteurs afin de permettre à la fois la détection et la localisation des tags passifs opérant en rétrodiffusion. Deux campagnes de mesure successives ont été réalisées dans un environnement intérieur considéré comme scénario de référence. La première campagne de mesure est destinée à vérifier les principes et méthodes de base et sert de moyen de calibration du dispositif de mesure. La seconde configuration représente un cas d'utilisation pour l'application de la technologie RFID et permet d'analyser quantitativement l'atténuation du canal de propagation opérant en rétrodiffusion.
Ultra Wideband (UWB) modulated backscattering (MBS) passive Radio-Frequency IDentification (RFID) systems provide a promising solution to overcome many limitations of current narrowband RFID devices. This work addresses the performance of such systems from the point of view of the radio channel between the readers and the tags. Such systems will likely combine several readers, in order to provide both the detection and localization of tags operating in MBS. Two successive measurements campaigns have been carried out in an indoor reference scenario environment. The first is intended to verify the methods and serves as a way to validate the RFID backscattering measurement setup. The second represents a real use case for RFID application and allows one to quantitatively analyze the path loss of the backscattering propagation channel.
Mot clés : Radiocommunication, Faible puissance, Ultra large bande, Étiquette RFID
Zeinab Mhanna 1 ; Alain Sibille 1 ; Richard Contreras 1
@article{CRPHYS_2017__18_2_125_0, author = {Zeinab Mhanna and Alain Sibille and Richard Contreras}, title = {Performance of low-power {RFID} tags based on modulated backscattering}, journal = {Comptes Rendus. Physique}, pages = {125--136}, publisher = {Elsevier}, volume = {18}, number = {2}, year = {2017}, doi = {10.1016/j.crhy.2016.11.008}, language = {en}, }
TY - JOUR AU - Zeinab Mhanna AU - Alain Sibille AU - Richard Contreras TI - Performance of low-power RFID tags based on modulated backscattering JO - Comptes Rendus. Physique PY - 2017 SP - 125 EP - 136 VL - 18 IS - 2 PB - Elsevier DO - 10.1016/j.crhy.2016.11.008 LA - en ID - CRPHYS_2017__18_2_125_0 ER -
Zeinab Mhanna; Alain Sibille; Richard Contreras. Performance of low-power RFID tags based on modulated backscattering. Comptes Rendus. Physique, Volume 18 (2017) no. 2, pp. 125-136. doi : 10.1016/j.crhy.2016.11.008. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2016.11.008/
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