radio frequency identification rfid technology and applications

... transmissions are narrow-band • Spread spectrum transmission – Takes a narrow band signal and spreads it over a broader portion of the radio frequency band – Results in less interference and fewer errors ... top [positive] and one bottom [negative] peak • Carrier signal – Sent by radio transmitters – Continuous wave (CW) of constant amplitude (also called voltage) and frequency – An up -and- down wave ... digital format • Before it can be stored and processed or interpreted by a computer 21 Analog and Digital (continued) 22 Frequency • Frequency – Rate at which a radio circuit creates the waves – The...

Ngày tải lên: 13/09/2012, 10:52

... of radio frequency identification (RFID) for tracking uniquely identified objects In an effort to make RFID project management less of an art form and more of a science RFID Technology and Applications ... networking and location tracking, and how these applications complement and/ or conflict with current RF infrastructure and applications from aerospace to medical and retail facilities In the RFID applications ... regulatory and standards frameworks for RFID across many different countries make this a seminal moment to evaluate RFID technology and Introduction to RFID history and markets 11 applications...

Ngày tải lên: 24/01/2014, 08:20

... focuses on new and advanced applications of radio frequency identification The second section starts with one of the most common applications of RFID – privacy and product maintenance and tracking ... cutting edge RFID technology This book also provides substantial theoretical and technological background and explanation of RFID for those readers who are new to the field of RFID and wish to ... Multi-protocol UHF RFID Tag Simulation Platform 269 Bo Zhang, Dongkai Yang and Qishan Zhang 259 207 Preface Radio Frequency Identification (RFID) is a modern wireless data transmission and reception...

Ngày tải lên: 19/06/2014, 23:20

... wrap and Teflon sheet between the tag and the aluminum plate The Teflon sheet is hard and its thickness at 0.97mm is very close to the 1mm 26 Advanced Radio Frequency Identification Design and Applications ... the chip and the tag antenna is very + − − + short (its length is nearly zero), hence, V0 = V2 and V0 = V2 Then Equation 43 becomes 20 Advanced Radio Frequency Identification Design and Applications ... additional factors 14 Advanced Radio Frequency Identification Design and Applications including receiver implementation details, receiver gain, communication protocol specifics and interference generated...

Ngày tải lên: 19/06/2014, 23:20

... RL of (-12.6) dB given in Table for (S3-60°) 42 Advanced Radio Frequency Identification Design and Applications (a) Frequency (MHz) (b) Frequency (MHz) Fig 20 Measured RL for the fabricated antenna: ... port of impedance 50Ω These dipoles are designed at resonant frequency of 900 MHz 34 Advanced Radio Frequency Identification Design and Applications Indent Angle (Deg.) fr (GHz) RL (dB) Impedance ... a resonant frequency of 900 MHz and 50 Ω reference impedance port as shown in Fig Fig The proposed fractal dipole antenna (P3) (Salama and Quboa, 2008a) 36 Advanced Radio Frequency Identification...

Ngày tải lên: 19/06/2014, 23:20

... Advanced Radio Frequency Identification Design and Applications Salama A M A., (2010) Antennas of RFID Tags, Radio Frequency Identification Fundamentals and Applications Design Methods and Solutions, ... 1602-1608, Oct 62 Advanced Radio Frequency Identification Design and Applications K Finkenzeller, RFID Handbook: Fundamentals and Applications in Contactless Smart Cards and Identification, 2nd edition, ... radiation patterns and polarization are studied and presented 64 Advanced Radio Frequency Identification Design and Applications Antenna configuration and basis 2.1 UFH RFID meander-line antenna...

Ngày tải lên: 19/06/2014, 23:20

... (3.15) To clarify the frequency dependence, we divide the numerator and denominator of Eq (3.15) by λ2 and obtain 88 Advanced Radio Frequency Identification Design and Applications 600π D 19.7 ... parameters (N, D, and H) is explained by taking into account Eq (3.6) The relation between XL and H is determined on the basis of 84 Advanced Radio Frequency Identification Design and Applications ... presented It is a compact and available tag antenna for UHF RFID applications References [1] Marrocco, G (2003) Gain-optimized self-resonant meander line antennas for RFID applications IEEE Antennas...

Ngày tải lên: 19/06/2014, 23:20

... Antenna input impedance 94 Advanced Radio Frequency Identification Design and Applications 3.0 VSWR 2.5 0.30 MHz 2.0 0.30 MHz 1.5 Simu Meas 1.0 314.6 314.8 315.0 315.2 Frequency [MHz] 315.4 Fig 3.19 ... the capacitive and inductive elements are commercialized as small circuit units These units have appreciable ohmic resistances 96 Advanced Radio Frequency Identification Design and Applications ... two solutions are 98 Advanced Radio Frequency Identification Design and Applications α (±) = ωr M A2 ± ωr M A − R LT 2 LT (4.6) We label these two solutions α(+) and α(-) For these α values, the...

Ngày tải lên: 19/06/2014, 23:20

... Advanced Radio Frequency Identification Design and Applications 20% A scaling factor of 0.7 then reduces the size of the particle by 30% and so on The equivalent circuit and resonant frequency ... UHF RFID tags An introduction to passive RFID systems RFID technology is an automatic means of object identification with minimal human intervention or error (Qing & Chen, 2007) Recently, RFID technology ... reader The IC collects power 116 Advanced Radio Frequency Identification Design and Applications and timing information from the electromagnetic field and sends proper backscattered messages to...

Ngày tải lên: 19/06/2014, 23:20

... interference and thus increase the reading range (Hartmann et al, 2004) 152 Advanced Radio Frequency Identification Design and Applications Conclusion In this chapter we have presented the development and ... resonances when performing amplitude and phase data decoding Given the potential high demand on RFID technology in terms of reading range and applications some open issues and further areas of interest ... Shretha, J Vemagiri, M Agarwal and K Varahramyan (2007), “Transmission line reflection and delay-based ID generation scheme for RFID and other applications , Int J Radio Freq Identification Technol Appl.,...

Ngày tải lên: 19/06/2014, 23:20

... Especially, RFID tag search system 174 Advanced Radio Frequency Identification Design and Applications which can be used to find RFID- tagged objects is one of the promising applications of RFID technology ... the RFID reader using RFID tag 176 Advanced Radio Frequency Identification Design and Applications search system Next we present a simple protocol to realize RFID tag search’ This basic RFID ... identification (RFID) technology is used to identify RFID- tagged objects automatically An RFID system generally consists of three components: an RFID tag, an RFID reader, and a backend system An RFID tag...

Ngày tải lên: 19/06/2014, 23:20

... positions from 192 Advanced Radio Frequency Identification Design and Applications pseudo table of the tag positions Choi et al (2008) augmented the ultra sonic sensors and the RFID tag floor localization ... partitions, 204 Advanced Radio Frequency Identification Design and Applications Fig 14 The error variance and the minimum error variance of single power case Fig 15 The error variance and the minimum ... Advanced Radio Frequency Identification Design and Applications 1.1 Sensor systems for indoor mobile robots The localization is essential problem for the mobile robots to navigate a working area and...

Ngày tải lên: 19/06/2014, 23:20

... Sensors and Methods for Mobile Robot Positioning, The University of Michigan 220 Advanced Radio Frequency Identification Design and Applications Finkenzeller, K (2000) RFID handbook: Fundamentals and ... munition-mounted radio frequency identification (RFID) tags as buried ordnance detection and identification aids RFID tagging of ordnance can provide a high probability of detection and a near-zero ... arrangement 216 Advanced Radio Frequency Identification Design and Applications Fig shows one solution to the Sudoku puzzle and the corresponding tag arrangement Compared to the random tag arrangement...

Ngày tải lên: 19/06/2014, 23:20

... Example frequency- domain plots are shown in 242 Advanced Radio Frequency Identification Design and Applications Figure 16 The left and right vertical yellow cursors are positioned at 120 and 130 ... munition and the RFID tag The lower right graphic is a spectrum analyzer screen shot displaying the two frequencies transmitted by the tag 238 Advanced Radio Frequency Identification Design and Applications ... tag on a munition 240 Advanced Radio Frequency Identification Design and Applications Evaluation and testing Experimental efforts involved the design, fabrication, and tuning of the custom coil...

Ngày tải lên: 19/06/2014, 23:20

... [11] K Finkenzeller, RFID Handbook: Radio- Frequency Identification, Fundamentals and Applications, John Wiley & Sons Ltd, 1999 [12] Information Technology -Radio Frequency Identification for Item ... Tree-based RFID Tag Identification Schemes Nai-Wei Lo and Kuo-Hui Yeh Dept of Information Management National Taiwan Univ of Science and Technology, Taipei, Taiwan Introduction Radio Frequency IDentification ... management, and airport baggage handling Generally an RFID system is composed of many RFID tags (or tagged objects), at least one RFID reader, and one backend application system with database An RFID...

Ngày tải lên: 19/06/2014, 23:20

... as follows, 278 Advanced Radio Frequency Identification Design and Applications 1st 32bit are protocol control and tags number; 2nd and 3rd 32 bit are command data; And the last 3*32bit are reserved ... cos(ωt ) (1) 276 Advanced Radio Frequency Identification Design and Applications The local in-phase and quadrature carrier are cos(ωt + ϕ ) and sin(ωt + ϕ ) out _ I and out _ Q are as follows ... Advanced Radio Frequency Identification Design and Applications In this chapter, a tag simulator which can emulate the ISO/IEC 18000-6 type B and type C tags is introduced, and the parameters and...

Ngày tải lên: 19/06/2014, 23:20

... Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice, Edited by Cristina Turcu p cm ISBN 978-953-7619-73-2 Preface This book, entitled Radio Frequency Identification ... Kachouri Abdennaceur, Andrieux Laurent and Samet Mounir MAC Protocols for RFID Systems 073 Marco Baldi and Ennio Gambi Stochastical Model and Performance Analysis of Frequency Radio Identification 087 ... of low frequency systems, and reduce the effective radiated power for systems operating in the range of ultra-short waves and microwaves 4 Radio Frequency Identification Fundamentals and Applications, ...

Ngày tải lên: 21/06/2014, 11:20

... 26 Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice produced by devices used for electronic article surveillance, radio frequency identification and ... chamber 24 Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Fig 18 Parts of a computer systems: a) RFID identification of gas cylinders, b) RFID data ... Surveillance (EAS), Radio Frequency Identification (RFID) and similar applications, IEC EN 50364 (2001) Limitation of human exposure to electromagnetic fields from devices operating in the frequency range...

Ngày tải lên: 21/06/2014, 11:20

... for FSA with 64 slots and Poisson arrivals, C=4 and H=3, H=6 45 46 Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Conclusions and open issues This ... (2003) RFID Handbook: Fundamentals and Applications in Contactless Smart Cards and Identification, chapters 1–2, 1-7,11-28 2nd Edition, John Wiley and Sons, Chichester New York Hush, D.R and Wood, ... Fig Mean identification time (in number of slots) vs N, for different Q values 40 Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice 0.4 0.35 Identification...

Ngày tải lên: 21/06/2014, 11:20

... Equipment and Technology, Huazhong University of Science and Technology, China Introduction RFID (Radio Frequency Identification) can assign a unique digital identifier to each physical item, and provide ... 74 Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Both deterministic and stochastic MAC protocols for RFID systems have some advantages and disadvantages ... for RFID , in Proc IEEE ISCC '06, Cagliari, Italy, Jun 2006, pp 207–212 ISO/IEC 18000–6 (2003) “Information technology automatic identification and data capture techniques - radio frequency identification...

Ngày tải lên: 21/06/2014, 11:20