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IEICE TRANSACTIONS on Communications

Multi-Channel Multi-Stage Transmultiplexing Digital Down Converter and Its Application to RFID (ISO18000-3 mode 2) Reader/Writer

Yuichi NAKAGAWA, Kei SAKAGUCHI, Hideki KAWAMURA, Kyoji OHASHI, Masahiro MURAGUCHI, Kiyomichi ARAKI

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Summary :

Implementation of RFID reader/writer on software defined radio is studied in this paper. The target RFID is ISO18000-3 mode 2 which has 8 reply channels for simultaneous communication with 8 different RFID tags. In the software defined radio architecture, the 8 reply channels are sampled at a single A/D converter and separated by digital down converters, whereas conventional RFID architecture has redundant 8 parallel analog down converters. A novel multi-stage transmultiplexing digital down converter is proposed for efficient implementation of multi-channel digital down converter. Moreover the proposed architecture is implemented on a FPGA evaluation board, and validity of the system is confirmed on a real hardware. The proposed architecture can be applied to multi-channel receiver for dynamic spectrum system in the cognitive radio.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.1 pp.139-146
Publication Date
2008/01/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.1.139
Type of Manuscript
Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category
Enabling Technology

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