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Design of a shaped beam cylindrical dipole array for cellular base stations

Design of a shaped beam cylindrical dipole array for cellular base stations

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  • Author(s): X.-M. Zhang 1 ; K.-M. Luk 1 ; C.-H. Chan 1 ; J.R. James 2 ; C.-H. Liang 3
    • View affiliations
    • Affiliations: 1: Department of Electronic Engineering, City University of Hong Kong, Hong Kong, People's Republic of China
      2: RMCS, Department of Aerospace, Power and Sensors, Cranfield University, Swindon, United Kingdom
      3: Department of Electronic Engineering, Xidian University, Xi'an, People's Republic of China
  • Source: Volume 147, Issue 4, August 2000, p. 295 – 300
    DOI:  10.1049/ip-map:20000597 , Print ISSN 1350-2417, Online ISSN 1359-706X
© IEE
Published

A linear dipole array mounted on a finite solid conducting cylinder is analysed by the method of moments with piecewise overlapping triangular functions and complex Fourier mode expansions. The port-current vector is obtained by shaped beam pattern synthesis procedure, and the port voltage vector is computed with mutual coupling included. Currents along the dipoles and the current density on the cylindrical surface are calculated. Active input impedance at each dipole port is evaluated accordingly. The antenna has potential application for mobile communications in urban terrain.

Inspec keywords: antenna radiation patterns; linear antenna arrays; cellular radio; method of moments; shaped beam antennas; dipole antenna arrays; current density; UHF antennas

Other keywords: mutual coupling; 900 MHz; finite solid conducting cylinder; shaped beam cylindrical dipole array; complex Fourier mode expansions; piecewise overlapping triangular functions; method of moments; active input impedance; shaped beam pattern synthesis procedure; linear dipole array; urban terrain; current density; port voltage vector; cellular base stations; port-current vector

Subjects: Antenna theory; Other numerical methods; Antenna arrays; Mobile radio systems

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