TY - JOUR
T1 - Uniform circular and rectangular arrays for adaptive beamforming applications
AU - Ioannides, Panayiotis
AU - Balanis, Constantine
N1 - Funding Information:
Manuscript received June 22, 2005; revised August 2, 2005. This work was supported by the Cyprus Fulbright Commission and the National Science Foundation under Grant 0355255. The authors are with the Department of Electrical Engineering, Arizona State University, Tempe, AZ 85287-5706 USA (e-mail: balanis@asu.edu). Digital Object Identifier 10.1109/LAWP.2005.857039 Fig. 1. Geometry of a planar UCA with several concentric UCAs, each one of radius a and N equally spaced elements, along with an impinging planar wavefront.
PY - 2005
Y1 - 2005
N2 - Numerous studies for smart antennas have already been conducted. However, these studies include mostly uniform linear arrays (ULAs) and uniform rectangular arrays (URAs) and not as much effort has been devoted to other configurations. In this letter, the performance of smart antennas with uniform circular arrays (UCAs) is examined. The primary motivation for this selection is the symmetry UCAs possess. This property provides UCAs a major advantage, the ability to scan a beam azimuthally through 360° with little change in either the beamwidth or the sidelobe level. Also, a comparison between UCAs and URAs in the context of adaptive beamforming is made in this letter.
AB - Numerous studies for smart antennas have already been conducted. However, these studies include mostly uniform linear arrays (ULAs) and uniform rectangular arrays (URAs) and not as much effort has been devoted to other configurations. In this letter, the performance of smart antennas with uniform circular arrays (UCAs) is examined. The primary motivation for this selection is the symmetry UCAs possess. This property provides UCAs a major advantage, the ability to scan a beam azimuthally through 360° with little change in either the beamwidth or the sidelobe level. Also, a comparison between UCAs and URAs in the context of adaptive beamforming is made in this letter.
KW - Adaptive beamforming
KW - Circular and rectangular arrays
KW - Smart antennas
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U2 - 10.1109/LAWP.2005.857039
DO - 10.1109/LAWP.2005.857039
M3 - Article
AN - SCOPUS:31144432413
SN - 1536-1225
VL - 4
SP - 351
EP - 354
JO - IEEE Antennas and Wireless Propagation Letters
JF - IEEE Antennas and Wireless Propagation Letters
IS - 1
ER -