dor_id: 45583

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351.#.#.b: Journal of Applied Research and Technology

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/341/338

100.1.#.a: S. Amin, M.; I. Reaz, M. B.; Jalil, J.; F. Rahman, L.

524.#.#.a: S. Amin, M., et al. (2012). Digital Modulator and Demodulator IC for RFID Tag Employing DSSS and Barker Code. Journal of Applied Research and Technology; Vol. 10 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45583

245.1.0.a: Digital Modulator and Demodulator IC for RFID Tag Employing DSSS and Barker Code

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2012

264.#.1.c: 2012-12-01

653.#.#.a: Barker code; IEEE 80211; modulator; RFID; WLAN

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

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001.#.#.#: 074.oai:ojs2.localhost:article/341

041.#.7.h: eng

520.3.#.a: Radio frequency identification (RFID) is lagging behind because of vendor specific solutions and expensiveimplementation cost. In particular, the reader is the most expensive part. A WiFi compatible tag was proposed to usethe WNIC as an RFID reader. However, no specific modulator or demodulator was suggested. This paper analyzesthe various IEEE 802.11 standards and their modulation and coding techniques keeping the desired properties of anRFID system in consideration. After the analysis, a digital modulator and demodulator for RFID tag in IEEE 802.11protocol employing Direct Sequence Spread-Spectrum (DSSS) and coding is proposed. A MOD-11 synchronouscounter is designed for the 11-bit encoder which generates the desired Barker code. Data are multiplied with thisBarker code to modulate the data, and the received data are multiplied with the Barker code to demodulate them. Theproposed modulator and demodulator are implemented in 0.18?m CMOS technology. The simulation results showthat 1 bit is spread to 11 bits by the modulator and 11-bit received data are demodulated to 1 bit correctly. Theproposed design is simple, resistant to multipath fading and interference and offers the highest distance with thelowest BER for an RFID tag.

773.1.#.t: Journal of Applied Research and Technology; Vol. 10 Núm. 6

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

310.#.#.a: Bimestral

264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.22201/icat.16656423.2012.10.6.341

harvesting_date: 2023-11-08 13:10:00.0

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last_modified: 2024-03-19 14:00:00

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Artículo

Digital Modulator and Demodulator IC for RFID Tag Employing DSSS and Barker Code

S. Amin, M.; I. Reaz, M. B.; Jalil, J.; F. Rahman, L.

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

S. Amin, M., et al. (2012). Digital Modulator and Demodulator IC for RFID Tag Employing DSSS and Barker Code. Journal of Applied Research and Technology; Vol. 10 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45583

Descripción del recurso

Autor(es)
S. Amin, M.; I. Reaz, M. B.; Jalil, J.; F. Rahman, L.
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Digital Modulator and Demodulator IC for RFID Tag Employing DSSS and Barker Code
Fecha
2012-12-01
Resumen
Radio frequency identification (RFID) is lagging behind because of vendor specific solutions and expensiveimplementation cost. In particular, the reader is the most expensive part. A WiFi compatible tag was proposed to usethe WNIC as an RFID reader. However, no specific modulator or demodulator was suggested. This paper analyzesthe various IEEE 802.11 standards and their modulation and coding techniques keeping the desired properties of anRFID system in consideration. After the analysis, a digital modulator and demodulator for RFID tag in IEEE 802.11protocol employing Direct Sequence Spread-Spectrum (DSSS) and coding is proposed. A MOD-11 synchronouscounter is designed for the 11-bit encoder which generates the desired Barker code. Data are multiplied with thisBarker code to modulate the data, and the received data are multiplied with the Barker code to demodulate them. Theproposed modulator and demodulator are implemented in 0.18?m CMOS technology. The simulation results showthat 1 bit is spread to 11 bits by the modulator and 11-bit received data are demodulated to 1 bit correctly. Theproposed design is simple, resistant to multipath fading and interference and offers the highest distance with thelowest BER for an RFID tag.
Tema
Barker code; IEEE 80211; modulator; RFID; WLAN
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

Enlaces