... isotropic antenna Therefore, gain in dBd can be expressed as Equation 17 GdBd Wrad d Wrad = 10 log10 = 10 log10 ( = 10 (log10 g − log10 gd ) Wi Wrad × rad ) i d Wrad Wrad (17 ) Advanced Radio Frequency ... Electrostatic Discharge and RFID 15 5 Cherish Bauer-Reich, Michael Reich and Robert Nelson Part Chapter Advanced RFID Applications 17 1 Privacy-enhanced RFID Tag Search System 17 3 Ji Young Chun, Jung Yeon ... receiving antenna and the impinging wave is matched In mathematical form, it is shown as Equation 11 (Balanis, 2005) Ae = Pr Wi (11 ) where Ae = effective area (m2 ), Pr = available source power (W),...
... pp .12 1, 13 3 -13 6 R.W Lampe, (19 85) “Design Formulas for an Asymmetric Coplanar Strip Folded Dipole”, IEEE Trans Antennas and Propagat., vol AP-33, no.9, pp 10 28 -10 31, Sep C Nguyen, (20 01) “Conformal ... in Figure 14 Design of RFID Coplanar Antenna with Stubs over Dipoles 61 For the gain calculation of the antenna in Figure 14 , one takes the value from Figure 18 Directivity D = 6, 011 dB and radiation ... quasi-static conformal mapping equations Figure 11 shows a coplanar folded dipole design This structure is more suitable for matching with only the real part of the input impedance Figures 12 (a) and 12 (b)...
... ID”0000000000000” from – 10 .7 GHz 15 0 10 0 MSB 50 -50 LSB -10 0 -15 0 10 11 Frequency (GHz) Fig 35 Normalized phase variation vs frequency of chipless RFID tag with ID”0000000000000” from – 10 .7 GHz From Fig ... gain of the reader antennas ( ~11 dBi over the entire band) 15 1 Accurately Read Tag (%) Fully Printable Chipless RFID Tag 10 0 80 Maximum number of bits =13 60 40 20 15 25 35 45 Distance (cm) 55 ... RFID system for low-cost item tracking”, IEEE Transactions on Microwave Theory and Techniques, vol 57, no 5, pp: 14 11- 1 419 , May 2009 X Chen, L Guo, J Liang, C Parini (2007), “On the performance...
... ( n1 )) Fk N ( idi ⊕ H ( n1 )) i send θ = Fk i ( idi ⊕ H ( n1 )) Fk N ( idi ⊕ H ( n1 )) n1 i θ − −−−− → calculate Fk ∗ ( id∗ ⊕ H ( n1 )) test if Fk ∗ ( id∗ ⊕ H ( n1 )) = Fk i ( idi ⊕ H ( n1 )) ... idi ⊕ H ( n1 )) send θ = Fk i ( idi ⊕ H ( n1 )) n1 θ − −−−− → calculate Fk ∗ ( id∗ ⊕ H ( n1 )) test if Fk ∗ ( id∗ ⊕ H ( n1 )) = Fk i ( idi ⊕ H ( n1 )) if so, calculate H ( idi Fk i ( n1 )) verify ... tags, 15 th International Symposium on the Physical and Failure Analysis of Integrated Circuits, 2008, IPFA 2008, pp 1 5 StaticSolutions (n.d.) Ohm-stat™FM -11 25 digital ESD field meter, FM -11 25 Datasheet...
... K = ( K − 1) 1 π = ( K − 1) , 29 18 K = 1, ,9 (10 ) where K = corresponds to the square pattern shown in Fig 5a) Fig shows the set of nine different tilted square patterns, given by (10 ) After ... Automation, pp 18 18 -18 23 Hahnel, D., Burgard, W., Fox, D., Fishkin, K., & Philipose, M (2004) Mapping and localization with RFID technology, Proc IEEE Int Conf Robotics and Automation, pp 10 15 -10 20 Kulyukin, ... wire gauge (AWG) magnet wire The coil design employed 10 turns of Litz wire (N =10 ) and approximately 16 amps-rms, for a magnetomotive force of 16 0 ampere-turns-rms These design values were confirmed...
... cycles 9000 8000 7000 BS- CM (0 .12 5q) 6000 BS- CM (0.25q) 5000 BS- CM (0.5q) 4000 BS- CM (q) 3000 BS 2000 10 00 250 500 10 00 2000 4000 Number of tags Fig The communication overhead of BS protocol embedded ... construct the detailed procedure of CM in the next subsection q=32 14 000 12 000 10 000 8000 6000 4000 2000 q=64 q =12 8 q=256 q= 512 q =10 24 q=2048 0 .12 5q 0.25q 0.5q q 2q 4q q=4096 Number of nodes in ... CM for better performance This embeddedness characteristic of CM is valuable Number of transmitted bits 600000 500000 BS- CM (0 .12 5q) 400000 BS- CM (0.25q) 300000 BS- CM (0.5q) 200000 BS- CM (q) BS...