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Title: Hybrid UHF/UWB antenna for passive indoor identification and localization systems
Authors: Cruz, Catarina C.
Costa, Jorge R.
Fernandes, Carlos A.
Keywords: Indoor localization and identification
Dual-band antenna
Passive tag antenna
Issue Date: Jan-2013
Publisher: IEEE
Abstract: There is a growing interest for simultaneous identification and centimetre-resolution localization of multiple targets in indoor environments. A hybrid passive UHF/UWB RFID concept has been recently proposed that conciliates the potential from high resolution UWB impulse radio with the typical range from UHF-RFID identification systems. This paper proposes a new planar antenna for hybrid passive tag systems, which operates both in the UHF-RFID band and in the FCC UWB band. The co-designed UHF and UWB antenna elements are printed back-to-back on each side of a common substrate with appropriate topology for future integration with a single UHF-UWB RFID chip. Experimental tests have shown that both UHF-RFID and UWB performance of the hybrid antenna are comparable to available commercial solutions that work just on a single band. The antenna is adequate for low-cost mass production of hybrid passive tags. It aims at low-cost passive RFID systems combining the ability of item identification with precise tracking in indoor environments.
Description: WOS:000312996000040 (Nº de Acesso Web of Science)
Peer reviewed: Sim
ISSN: 0018-926X
Publisher version: The definitive version is available at:
Appears in Collections:CTI-RI - Artigos em revistas científicas internacionais com arbitragem científica
IT-RI - Artigo em revista internacional com arbitragem científica

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