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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002928naa a2200277 4500
001oai:DiVA.org:kth-271104
003SwePub
008200317s2014 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2711042 URI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a kon2 swepub-publicationtype
100a Chen, Zihanu Zhejiang Univ, Dept Opt Engn, Hangzhou 310027, Zhejiang, Peoples R China.4 aut
2451 0a Design of Compact Passive Tag Antenna for Practical RFID Applications
264 1b ELECTROMAGNETICS ACAD,c 2014
338 a print2 rdacarrier
500 a QC 20200317
520 a The communication quality between an RFID tag and a reader in a RFID network, especially the parameters of the passive tag antenna such as reading range, directivity and return loss, is affected by several factors from the environment. For practical RFID application, since the environment is complex and volatile, these factors include metallic surface of products, absorptions and impacts from neighbor tag antennas like scattering and mutual coupling. In this paper, it consists of the analysis of impacts caused by these factors and the design of passive tag antennas with resonant frequency 915 MHz able to be used in practical RFID applications against those impacts. Comparing with former ones, the proposed antenna reduces the size of the tag antenna to approximately commercial standard (18 mm x 48 mm x 3 mm) by using certain structures applied in the unit cell of metamaterial or HIS, while the properties including directivity, return loss and input impedance are still appropriate for RFID applications. Simulation results from HFSS indicates that at 915 MHz, the return loss can be about 21 dB, as most of the power can be radiated into the space towards the receiver. Meanwhile, the input impedance Z(0) = 9.4738 + j143.9189 Omega, perfectly matching the impedance of the RFID chip placed on the top surface of the antenna. The above improved parameters play an important role in prolonging the reading range.
700a He, Sailingu KTH,Skolan för elektro- och systemteknik (EES),Zhejiang Univ, Dept Opt Engn, Hangzhou 310027, Zhejiang, Peoples R China.;Sch Elect Engn, Dept Electromagnet Engn, S-10044 Stockholm, Sweden.4 aut0 (Swepub:kth)u1tir6md
700a Zhu, Dongdiu Zhejiang Univ, Dept Informat Sci & Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China.4 aut
700a Du, Chengchengu Zhejiang Univ, Dept Informat Sci & Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China.4 aut
710a Zhejiang Univ, Dept Opt Engn, Hangzhou 310027, Zhejiang, Peoples R China.b Skolan för elektro- och systemteknik (EES)4 org
773t PIERS 2014 GUANGZHOUd : ELECTROMAGNETICS ACADg , s. 680-685q <680-685z 9781934142288
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-271104

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