Hemispherical DRA Antennas Mounted on or Embedded in Circular Cylindrical Surface forProducing Omnidirectional Radiation Pattern — Oak Academic Publishing
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Hemispherical DRA Antennas Mounted on or Embedded in Circular Cylindrical Surface forProducing Omnidirectional Radiation Pattern
The radiation characteristics of hemispherical DRA elements mounted on or embedded in a hollow circular cylindrical ground structure are investigated. The performance of the DRA array which operates at about 1.8 Ghz, is studied. Factors influencing the array performance, such as the number of elements and element spacing are explained. The perforated dielectric technique is used to design the array from a single dielectric sheet. The overall profile of the antenna can be significantly reduced. The radiation patterns with respect to the number of DRA elements are depicted.
KeywordsDRAsFEMFIT
D. Uffler, E. Gschwendtner and W. Wiesbeck, “Design and Measurement of Conformal Antennas on Cylindrical and Spherical Geometries,” IEEE Transactions on Antennas and Propagation, Vol. 2, No. 2, June 1999, pp. 1005-1010.
P. Li*, K. M. Luk and K. L. Lau, “An Omnidirectional High Gain Microstrip Antenna Array Mounted on a Circular Cylinder,” IEEE Transactions on Antennas and Propagation, Vol. 4, No. 1, June 2003, pp. 698-701.
M. Keskilammi and M. Kivikoski, “Cylindrical Patch Antenna Array for RFID Applications,” Tampere University of Technology, Tampere.
Z. Zhang, X. Gao, W, Chen, Z. Feng and M. F. Iskander, “Study of Conformal Switchable Antenna System on Cylindrical Surface for Isotropic Coverage,” IEEE Transactions on Antennas and Propagation, Vol. 59, No. 3, March 2011, pp. 776-783.
K. Luk and K.W. Leung, “Dielectric Resonator Antenna,” Research Studies Press, Hertfordshire, 2003.
G. C. Almpanis, C. Fumeaux, and R. Vahldieck, “The Trapezoidal Dielectric Resonator Antenna,” IEEE Transactions on Antennas and Propagation, Vol. 56, No. 9, September 2008, pp. 2810-2816.
G. P. Junker, A. A. Kishk and A. W. Glisson, “Input Impedance of Dielectric Resonator Antenna Excited by a Coaxial Probe,” IEEE Transactions on Antennas and Propagation, Vol. 42, No. 7, July 1994, pp. 960-966.
A. A. Kishk, Y. Yin and A. W. Glisson, “Conical Dielectric Resonator Antennas for Wideband Applications,” IEEE Transactions on Antennas and Propagation, Vol. 50, No. 4, April 2002, pp. 469-474.
B. Li and K. W. Leung, “On the Differentially Fed Rectangular Dielectric Resonator Antenna,” IEEE Transactions on Antennas and Propagation, Vol. 56, No. 2, February 2008, pp. 353-359.
T.-H. Chang and J.-F. Kiang, “Sectorial-Beam Dielectric Resonator Antenna for WiMAX with Bent Ground Plane,” IEEE Transactions on Antennas and Propagation, Vol. 57, No. 2, February 2009, pp. 563-572.
S. H. Zainud-Deen, H. A. Malhat and K. H. Awadalla, “Dielectric Resonator Antenna Mounted on a Circular Cylindrical Ground Plane,” Progress in Electromagnetics Research B, PIER B, Vol. 19, 2010, pp. 427-444.
S. H. Zainud-Deen, H. A. Malhat and K. H. Awadalla, “Cylindrical Dielectric Resonator Antenna Housed in a Shallow Cavity in a Hollow Circular Cylindrical Ground Plane,” 26th Applied Computational Electromagnetic Society (ACES) Conference, Tampere, 26-29 April 2010.
S. H. Zainud-Deen, N. A. El-Shalaby and K. H. Awadalla, “Radiation Characteristics of Cylindrical Dielectric Resonator Antenna Mounted on Superquadric Cylindrical Body,” 27th Applied Computational Electromagnetics Society (ACES) Conference, Williamsburg, 27-31 March 2011.
S. H. Zainud-Deen, N. A. El-Shalaby and K. H. Awadalla, “Hemispherical Dielectric Resonator Antenna Mounted on or Embedded in Spherical Ground Plane with a Superstrate,” 28th National Radio Science Conference (NRSC 2011), National Telecommunication Institute, Cairo, 15 March 2011.
Y. Zhang and A. A. Kishk, “Analysis of Dielectric Resonator Antenna Arrays with Supporting Perforated Rods,” 2nd European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11-16 November 2007, pp. 1-5.
X. Dong and T. An, “A New FEM Approach for Open Boundary Laplace’s Problem,” IEEE Transactions on Microwave Theory and Techniques, Vol. 44, No. 1, January 1996, pp. 157-160.
X. Zhou and G. W. Pan, “Application of Physical Spline Finite Element Method (PSFEM) to Full Wave Analysis of Waveguide,” Progress in Electromagnetic Research B, PIER, Vol. 60, 2006, pp. 19-41.
J. L. Volakis, A. Chatterjee and L. C. Kempel, “Finite Element Method for Electromagnetic: Antennas, Microwave Circuits, and Scattering Applications,” IEEE Press, Piscataway, 1998.
C. Mattiussi, “A Reference Discretization Strategy for the Numerical Solution of Physical Field Problems,” Advances In Imaging and Electron Physics, Vol. 121, 2002, pp. 144-211.
A. C. Polycarpou, “Introduction to Finite Element Method in Electromagnetics,” Morgan & Claypool Publishers’ Series, Waterloo, 2006.
Z. Chen and M. Ney, “The Method of Weighted Residuals: A General Approach to Deriving Time and Frequency Domain Numerical Methods,” IEEE Antennas and Propagation Magazine, Vol. 51, No. 1, February 2009, pp. 51-70.
D. Jiao, M. Lu, E. Michielssen and J. Jin, “A Fast Time-Domain Finite Element-Boundary Integral Method for Electromagnetic Analysis,” IEEE Antennas and Propagation Magazine, Vol. 49, No. 10, October 2001, pp. 1453-1461.
A. Mitchell, D. M. Kokotoff and M. W. Austin, “Improvement to the PML Boundary Condition in the FEM Using Mesh Compression,” IEEE Transactions on Microwave Theory and Techniques, Vol. 50, No. 5, May 2002, pp. 1297-1302.
T. Weiland, “A Discretization Method for the Solution of Maxwell’s Equations for Six-Component Fields,” Electronics and Communications, AEU, Vol. 31, No. 3, March 1977, pp. 116-120.
I. Munteanu1 and T. Weiland, “RF & Microwave Simulation with the Finite Integration Technique—From Component to System Design,” Scientific Computing in Electrical Engineering Mathematics in Industry, Part III, Vol. 11, 2007, pp. 247-260.
G. Benderskaya, “Numerical Methods for Transient Field-Circuit Coupled Simulations Based on the Finite Integration Technique and a Mixed Circuit Formulation,” Ph. D. Thesis, Technischen Universit¨at Darmstadt, Darmstadt, 2007.
U. van Rienen, “Frequency Domain Analysis of Waveguides and Resonators with FIT on Non-orthogonal Triangular Grids,” Progress in Electromagnetics Research (PIER), Vol. 32, 2001, pp. 357-381.
A. Monorchio, A. R. Bretones, R. G. Martin, G. Manara and R. Mittra, “A Hybrid Time Domain Technique Combining the Finite Element, Finite Difference and Integral Equation Methods,” In Proceedings IEEE Antenna and Propagation Society International Symposium, Salt Lake City, Vol. 2, 2000, pp. 733-736.
S. M. Rao, G. K. Gothard and D. R. Wilton, “Application of Finite-Integral Technique to Electromagnetic Scattering by Two-Dimensional Cavity-Backed Aperture in a Ground Plane,” IEEE Transactions on Antennas and Propagation, Vol. 46, No. 5, May 1998, pp. 679-685.