@inproceedings{9c01794f936843ec8466da72ff28a5cd,
title = "Helical reflector antenna with a wideband CP for RFID reader",
abstract = "A novel helical reflector antenna is presented to cover the whole UHF RFID band (860∼960MHz). The proposed antenna has a ground reflector and is composed of two antenna layers which are connected by via to form a helical structure. The total length of the proposed antenna is 1∼1.3 λ to have the higher antenna impedance. And the antenna gain is increased by using a ground reflector. The size of the proposed antenna is 200 × 200 × 35 mm3 similar to commercial RFID patch antenna with a high gain. It satisfies -10dB return loss and 3dB axial ratio in the RFID band. The measured antenna gain is approximately 6.5∼9dBic.",
keywords = "Circular polarization, Helical antenna, RFID reader antenna, Reflector antenna, Wide bandwidth",
author = "Kim, {Dong Zo} and Tae, {Hyun Sung} and Oh, {Kyoung Sub} and Lee, {Moon Que} and Yu, {Jong Won}",
year = "2009",
doi = "10.1109/APMC.2009.5384359",
language = "English",
isbn = "9781424428021",
series = "APMC 2009 - Asia Pacific Microwave Conference 2009",
pages = "1032--1035",
booktitle = "APMC 2009 - Asia Pacific Microwave Conference 2009",
note = "Asia Pacific Microwave Conference 2009, APMC 2009 ; Conference date: 07-12-2009 Through 10-12-2009",
}