CST – Computer Simulation Technology

Small Array Antenna for 2X2 MIMO Terminal using Folded Loop Antenna
Hiroshi SATO, Toshiteru HAYASHI, Dr.Yoshio KOYANAGI, Dr. Hisashi MORISHITA
First European Conference on Antennas and Propagation, 2006. EuCAP 2006.
Nov. 2006
1 - 5
Recently, MIMO technologies for mobile phones have been investigated to achieve high-speed data communication. It is preferable to have a smaller and more efficient antenna system for the MIMO terminal. Although built-in antennas are more convenient, coupling between antennas and the human body is larger than with extended antennas. So far, for the builtin elements, we have proposed a folded loop antenna (FLA) with balanced feed and a parallel plane antenna [2] (PPA) with unbalanced feed. Because of the smaller human effects, these antennas may work effectively as MIMO antenna arrays. In this paper, 3 types of 2x2 MIMO antenna are investigated to show the effectiveness of the built-in antenna array for the terminal in a multi-pass wave environment. The channel capacity is employed to estimate the antenna performance.

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