... same frequency as the radio waves 27 Frequency (continued) 28 Analog Modulation • Representation of analog information by an analog signal • Analog modulation types – Amplitude modulation – Frequency ... computer 21 Analog and Digital (continued) 22 Frequency • Frequency – Rate at which a radio circuit creates the waves – The number of times a cycle occurs within one second • Cycle – Composed of one ... Light (continued) 16Radio Waves • Most common and effective means of wireless communications today • Energy travels through space or air in electromagnetic waves • Radio (radiotelephony) waves...
... studied radiofrequencyidentification (RFID) , and the market opportunities it could provide for paper industry The research combined a quantitative industry analysis and qualitative interviews RFID ... Research flow 23 RFID AS PART OF PRINTED INTELLIGENCE 25 5.1 Printed intelligence 25 5.2 Radiofrequencyidentification 29 5.2.1 5.2.2 RFID technology and security ... 2006; Södergård et al 2007) Among other areas of printed intelligence, radiofrequencyidentification (RFID) , especially printed RFID, could offer new business opportunities for the paper industry...
... advanced applications of radiofrequency identification The second section starts with one of the most common applications of RFID – privacy and product maintenance and tracking In the first chapter ... 259 207 Preface RadioFrequency Identification (RFID) is a modern wireless data transmission and reception technique for applications including automatic identification, asset tracking and security ... of RFID technology significantly in the new millennium As a result, significant advancement on RFID technology has been gained within a short period of time This book focuses on the advances in RFID...
... PSK mode for obtaining reading range oriented RFID system or bit-rate oriented RFID system is reported by Vita et al 12 Advanced RadioFrequencyIdentification Design and Applications (2005) ... transponder IC with16. 7μW minimum RF input power IEEE Journal of Solid-State Circuits, Vol 38, No 10, pp 160 2 160 8, Oct 2003 [15] Leong, K S (2008) Antenna position analysis and dual -frequency antenna ... Circuits, Vol 42, No 1, pp 101–110, Jan 2007 28 Advanced RadioFrequencyIdentification Design and Applications [18] NG, M L (2008) Design of high performance RFID system for metallic item identification,...
... of (S3-45°) 40 Advanced RadioFrequencyIdentification Design and Applications The simulated radiation pattern with 2D and 3D views at φ=0 and 90° are shown in Fig 16 for the modified Sierpinski ... Advanced RadioFrequencyIdentification Design and Applications A new fractal loop antenna is designed for passive UHF RFID tags at 900 MHz based on 2nd iteration of the above proposed curve with ... 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 RadioFrequency Identification...
... Integrated Passive UHF RFID Transponder IC With16. 7μW Minimum RF Input Power”, IEEE Journal of Solid State Circuits, vol 38, no 10, pp 160 2 -160 8, Oct 62 Advanced RadioFrequencyIdentification Design ... 50 Advanced RadioFrequencyIdentification Design and Applications Salama A M A., (2010) Antennas of RFID Tags, RadioFrequencyIdentification Fundamentals and Applications ... measured simulated frequency (GHz) Fig 16 Simulated and measured imaginary part of the impedance 59 60 Advanced RadioFrequencyIdentification Design and Applications In the Figure 16 one notices...
... = 287 +j55 Ω and Za = 287 -j55 Ω , τ =0.54 is calculated by (2) As EIRPR =1W, Pchip= -13dBm and G = 1.62dBi, d max =33 m is obtained by (1) Fig 13 Impedance locus 72 Advanced RadioFrequencyIdentification ... antenna in the UHF RFID bands within 865- 928 MHz IEEE Antennas Wireless Propag Lett., vol 5, pp 414–417, ISSN: 1536-1225 [7] Chang, C.C & Lo, Y.C (2006) Broadband RFID tag antenna with capacitively ... 70 Advanced RadioFrequencyIdentification Design and Applications The two cut patterns with resonant 900 MHz are represented in Fig 11 respectively...
... Antenna input impedance 94 Advanced RadioFrequencyIdentification 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 ... applying Eq (4.15) to Eq (4.10), we can express the step-up ratio (γ) as follows: (4 .16) 102 Advanced RadioFrequencyIdentification Design and Applications γ =( LT H A LT HA ) =( ) ( ) =( ) γ0 α ADA ... B 1000 A 0.015 0.020 0.025 A/ DA/λλ Fig 3.15 Q factors for NMHA 0.030 0.035 92 Advanced RadioFrequencyIdentification Design and Applications 3.3 Achieving a high antenna gain The efficiency...
... UHF RFID tags An introduction to passive RFID systems RFID technology is an automatic means of object identificationwith minimal human intervention or error (Qing & Chen, 2007) Recently, RFID ... of to trackinventory items Because of this, RFID systems have received considerable attention from researchers, engineers and industry personnel Particularly, researchers involved withRFID systems ... Design of Antennas on Passive UHF RFID Tags Benjamin D Braaten and Masud A Aziz North Dakota State University United States Introduction RadioFrequencyIdentification (RFID) is becoming a very affordable...
... Electrostatic Discharge and RFID 159 Introduction to RFIDRadioFrequency Identification (RFID) has become an the primary solution to most item tracking RFID tags are used to track library books, livestock, ... delay-based ID generation scheme for RFID and other applications”, Int J Radio Freq Identification Technol Appl., vol 1, no 4, pp:401- 416, 2007 154 Advanced RadioFrequencyIdentification Design and Applications ... previous section, an RFID tag communicates with an RFID reader by modulating the RF signal transmitted by the RFID reader In order to modulate the signal from the RFID reader, the RFID IC must have...
... Introduction Radiofrequency 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, ... the online data which are associates withRFID tags Since the communication between an RFID tag and an RFID reader occurs without optical line of sight, RFID tags can be read much longer and ... Especially, RFID tag search system 174 Advanced RadioFrequencyIdentification Design and Applications which can be used to find RFID- tagged objects is one of the promising applications of RFID technology...
... recognition data is sampled with 200 Advanced RadioFrequencyIdentification Design and Applications (a) 15dBm (b) 16dBm (c) 17dBm (d) 18dBm Fig A Recognition range of a tag with different transmission ... RadioFrequencyIdentification Design and Applications Fig 12 The recognition patterns of a “Inray” type tags with 17dBm transmission power of RFID reader Power combination(dBm) (15,15,15) (16, 16 ,16) ... the RFID Tag Floor Localization with Multiple Recognition Ranges (a) The experimental equipment 199 (b) Tag placement for the experiment (c) The UHF RFIDwith casing (d) The portable UHF RFID...
... demonstrated the viability of using munition-mounted radiofrequencyidentification (RFID) tags as buried ordnance detection and identification aids RFID tagging of ordnance can provide a high probability ... arrangement: a) one solution to the Sudoku puzzle and b) the corresponding tag arrangement 216 Advanced RadioFrequencyIdentification Design and Applications Fig shows one solution to the Sudoku puzzle ... are placed side by side in a 4×4 array, resulting in a 280 280 cm floor with the pseudorandom tag Pseudorandom Tag Arrangement for Accurate RFID based Mobile Robot Localization 217 arrangement...
... decreased with increases in frequency However, because the signals to the tags are linear with frequency, the signal increased monotonically Commercially available tags are set to receive a fixed frequency ... Fourier transforms on the signals Example frequency- domain plots are shown in 242 Advanced RadioFrequencyIdentification Design and Applications Figure 16 The left and right vertical yellow cursors ... Identifiers for Indexing an RFID Tag Object Database Sungwoo Ahn and Bonghee Hong Pusan National University Republic of Korea Introduction Radiofrequencyidentification (RFID) has become one of...
... Specification for a 900MHz Class RadioFrequencyIdentification Tag, Auto-ID Center, 2003 [10] EPCTM Radio- FrequencyIdentification Protocols Class Generation-2 UHF RFID Protocol for Communication ... [11] K Finkenzeller, RFID Handbook: Radio- Frequency Identification, Fundamentals and Applications, John Wiley & Sons Ltd, 1999 [12] Information Technology -Radio FrequencyIdentification for Item ... 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 tag gains its operation...
... Miller Data Rate 40 or 160 kbit/s FM0: 40 to 640kbit/s Miller: to 320kbit/s Preamble 16 bit Scattering modulation sequence depends on command Debugging Mode 16 bit CRC CRC -16 Table Parameters Comparison ... TMS320C6 416 from TEXAS INSTRUMENT, which has EMIFA and EMIFB EMIFA has 64pin memory bus with four spaces ACE0-ACE3 separately configurable and could be connected with SRAM, ROM or SDRAM EMIFB has 16pin ... into FIFO, INT4 is set to so that DSP call interrupt void c_extint4() to response 280 Advanced RadioFrequencyIdentification Design and Applications All the command data in Type B are bit, and...
... Anticollision RadioFrequencyIdentification Systems with Inductive Coupling Piotr Jankowski-Mihułowicz Rzeszów University of Technology Poland Introduction Passive RadioFrequencyIDentification (RFID) ... antennas with an area of S
... surveillance, radiofrequencyidentification and similar systems, IEC Jankowski-Mihułowicz, P.; Kalita, W (2009) Efficiency of Tag Antenna Unit in Anticollision RadioFrequencyIdentification Systems with ... chamber 24 RadioFrequencyIdentification Fundamentals and Applications, Bringing Research to Practice Fig 18 Parts of a computer systems: a) RFIDidentification of gas cylinders, b) RFID data ... participates withRFID automatic identification process µ2 Bz B + B2, H2 α2 Bz P(x,y,z) By b c a d α1 B1, H1 B Bx P(x,y,z) RFID tag with ferrite antenna loop z µ1 y Tag chamber x (a) (b) Fig 14 Identification...
... area (N) 140 slots 16 slots 32 slots 64 slots 128 slots 256 slots 512 slots 160 Fig Mean identification time (in number of slots) vs N, for different Q values 40 RadioFrequencyIdentification Fundamentals ... (K)= 2Q (N) N ≤ 4 ≤ N
... population of RFID tags in the vicinity of the RFID reader The probability that a RFID tag may collide with other RFID tags in a data slot can be calculated as 92 RadioFrequencyIdentification ... Estimation of RFID tag population In typical RFID applications, the population of RFID tags within the vicinity of the RFID reader is usually unknown in advance For the frame slotted ALOHA based RFID ... 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 - radiofrequency identification...