Title :
Mutual Coupling Effects in a Linear Adaptive Antenna Array with Random Spacing
Author :
Alves, Manoel Jacinto Lopes ; De Alencar, Marcelo Sampaio
Author_Institution :
Inst. of Adv. Studies in Commun., Belem
Abstract :
The effect of the mutual coupling (MC) between the randomly located array elements on the performance of an adaptive antenna array (AAA) is investigated. The AAA is designed with N elements at locations xN on a line of length L. The xN are chosen from a set of independent random variables described by a probability distribution, assumed to be uniform over L. The network formulation of antenna arrays is found to be a convenient and useful approximation. A theory of MC for random arrays is formulated to analyze the spacing between the antenna elements. Two main effects of MC are considered. The first is the increase in the sidelobe level. The second effect is the mainlobe beamwidth broadening.
Keywords :
adaptive antenna arrays; approximation theory; linear antenna arrays; statistical distributions; approximation; linear adaptive antenna array; mainlobe beamwidth broadening; mutual coupling effects; probability distribution; random arrays; random spacing; Adaptive arrays; Antenna arrays; Antenna radiation patterns; Antenna theory; Least squares approximation; Linear antenna arrays; Mobile antennas; Mobile communication; Mutual coupling; Receiving antennas;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2007. PIMRC 2007. IEEE 18th International Symposium on
Conference_Location :
Athens
Print_ISBN :
978-1-4244-1144-3
Electronic_ISBN :
978-1-4244-1144-3
DOI :
10.1109/PIMRC.2007.4394777
