- 學位論文
被動RFID標籤貼於大型金屬體上之特性研究
Characteristic Investigation on the UHF Passive RFID Tag Design When it is Pasted on a Large Metal Body
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摘要
本論文之提出主要針對RFID 之潛在應用和其面臨之問題。進行特性研究。本論文尤其針對其在車載通訊系統之應用，尤其是可能應用於高速公路電子收費及車牌管理等深具市場潛力之前瞻性應用進行學術探討與實驗驗證。在這兩個應用中一個普遍的現象為RFID 之Tag 均置於大型金屬環境之中(如車載平台與車牌)，這些環境被視為破壞性的干擾RFID 之應用，而影響了RFID 之應用範疇，故其研究不但具備學術意義於技術難度，其解決方法不但具備學術價值，亦具實務應用的需求，方法之尋得更具推廣RFID 應用之產業價值。 本研究希望由系統應用之觀點來探討RFID 在這些應用所呈現之問題與解決，更善用元智大學能量，利用模擬技術與量測程序來發掘問題，現象與答案，最後希望發展一技術來結合大型金屬與RFID Tag，使得大型金屬可由正面的方式，應用來增加RFID Tag 接收能量，故或有機會進一步增加RFID 接收之距離。
並列摘要
This research work was proposed to conduct a systematic study on the potential applications of radio frequency identification (RFID) system and its potential problems. In particular, its applications on the car-based vehicular communication system including the applications on Electronic Toll Collection (ETC) and license plate managements were proposed to study. The applications on ETC and license plate managements have significant market potentials and therefore further studies are desired. The common problems faced in these two applications are that the RFID Tags are located in the environments full of metal structures in which the scatterings tend to interfere with the signal radiated from the RFID system. These situations are considered as potential difficulty to enlarge the scope of RFID applications and have values for academic research. The research work studied the problems from a system point of view by utilizing the simulation and measurement approaches that have been well established by the Microwave Engineering Lab, Yuan Ze University. The problems were explored and the solutions were attempted. It is expected that the research results will not only assist to resolve the potential problems, but also enlarge the application scopes of RFID.
參考文獻
[1] “UHF Gen2 STRAP,” DataSheet RI-UHF-STRAP-08, Texas Instruments Incorporation.
[2] K. V. Seshagiri Rao, Pavel V. Nikitin and Sander F. Lam, “Antenna Design for UHF RFID Tags: A Review and a Practical Application,” IEEE Transactions on Antennas and Propagation, volume 53, no. 12, December 2005, pp. 3870-3876.
[3] Pavel V. Nikitin and K. V. Seshagiri Rao, “Theory and measurement of backscattering from RFID tags,” IEEE Antennas and Propagation Magazine, volume 48, no. 6, December 2006, pp. 212-218.
[4] 張正弘,被動式UHF RFID電子標籤設計與RCS分析,元智大學通訊工程學系碩士論文, June 2008,pp.10-11.
[6]Giuseppe De Vita and Giuseppe Iannaccone, “Design Criteria for the RF Section of UHF and Microwave Passive RFID Transponders”, IEEE Transactions on Microwave Theory And Techniques, volume. 53, No. 9, September 2005,pp.2978-2990