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Sensors 2011, 11(11), 10664-10674; doi:10.3390/s111110664

Interoperation of an UHF RFID Reader and a TCP/IP Device via Wired and Wireless Links

1
Department of Electronic Engineering, Kyungnam University, 449 Woryeong-dong, Changwon, Korea
2
Department of Information and Communication Engineering, Kyungnam University, 449 Woryeong-dong, Changwon, Korea
*
Author to whom correspondence should be addressed.
Received: 28 June 2011 / Revised: 3 October 2011 / Accepted: 27 October 2011 / Published: 8 November 2011
(This article belongs to the Special Issue Selected Papers from FGIT 2010)
View Full-Text   |   Download PDF [853 KB, 21 June 2014; original version 21 June 2014]   |  

Abstract

A main application in radio frequency identification (RFID) sensor networks is the function that processes real-time tag information after gathering the required data from multiple RFID tags. The component technologies that contain an RFID reader, called the interrogator, which has a tag chip, processors, coupling antenna, and a power management system have advanced significantly over the last decade. This paper presents a system implementation for interoperation between an UHF RFID reader and a TCP/IP device that is used as a gateway. The proposed system consists of an UHF RFID tag, an UHF RFID reader, an RF end-device, an RF coordinator, and a TCP/IP I/F. The UHF RFID reader, operating at 915 MHz, is compatible with EPC Class-0/Gen1, Class-1/Gen1 and 2, and ISO18000-6B. In particular, the UHF RFID reader can be combined with the RF end-device/coordinator for a ZigBee (IEEE 802.15.4) interface, which is a low-power wireless standard. The TCP/IP device communicates with the RFID reader via wired links. On the other hand, it is connected to the ZigBee end-device via wireless links. The web based test results show that the developed system can remotely recognize information of multiple tags through the interoperation between the RFID reader and the TCP/IP device.
Keywords: UHF RFID; RFID reader; RFID tag; RF coordinator; ZigBee; interrogator; TCP/IP; UHF antenna UHF RFID; RFID reader; RFID tag; RF coordinator; ZigBee; interrogator; TCP/IP; UHF antenna
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Lee, S.H.; Jin, I.S. Interoperation of an UHF RFID Reader and a TCP/IP Device via Wired and Wireless Links. Sensors 2011, 11, 10664-10674.

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