Fully-Coherent reader with commodity SDR for Gen2 FM0 and computational RFID

Nikos Kargas; Fanis Mavromatis; Aggelos Bletsas

doi:10.1109/LWC.2015.2475749

Fully-Coherent reader with commodity SDR for Gen2 FM0 and computational RFID

Nikos Kargas, Fanis Mavromatis, Aggelos Bletsas

Research output: Contribution to journal › Article › peer-review

91 Scopus citations

Abstract

There has been a continuously growing interest in radio frequency identification (RFID) and more recently, in computational RFID, i.e. battery-less sensors that piggyback sensed information, rather than a constant ID bit stream, utilizing Gen2, the physical layer of commercial RFID systems. This work offers a complete software-defined radio (SDR) reader with 1) coherent detection without rate degradation, by exploiting already present preambles inGen2; 2) full exploitation of FM0 line codingmemory in Gen2 tags; 3) careful handling of symbol synchronization and departure of commercial tags from nominal bit duration; and 4) implementation and testing of Gen2 in a commodity SDR, utilizing a single transceiver card. Continuing recent work, this contribution offers an updated prototyping tool that could further unlock the potential of computational RFID and relevant batteryless sensor networks.

Original language	English (US)
Article number	7236869
Pages (from-to)	617-620
Number of pages	4
Journal	IEEE Wireless Communications Letters
Volume	4
Issue number	6
DOIs	https://doi.org/10.1109/LWC.2015.2475749
State	Published - Dec 2015
Externally published	Yes

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Electrical and Electronic Engineering

Keywords

Detection algorithms
Radiofrequency identification
Software radio

Access to Document

10.1109/LWC.2015.2475749

Cite this

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abstract = "There has been a continuously growing interest in radio frequency identification (RFID) and more recently, in computational RFID, i.e. battery-less sensors that piggyback sensed information, rather than a constant ID bit stream, utilizing Gen2, the physical layer of commercial RFID systems. This work offers a complete software-defined radio (SDR) reader with 1) coherent detection without rate degradation, by exploiting already present preambles inGen2; 2) full exploitation of FM0 line codingmemory in Gen2 tags; 3) careful handling of symbol synchronization and departure of commercial tags from nominal bit duration; and 4) implementation and testing of Gen2 in a commodity SDR, utilizing a single transceiver card. Continuing recent work, this contribution offers an updated prototyping tool that could further unlock the potential of computational RFID and relevant batteryless sensor networks.",

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Fully-Coherent reader with commodity SDR for Gen2 FM0 and computational RFID

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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