A novel antenna array structure, formed by carbon nanotube bundle is proposed. The geometric structure and radiation characteristics have been investigated using a proposed in- tegral equations system. This equations system is numerically solved using the moments method. The dependence of the radiation performance, upon geometrical parameters, e.g., nanotube length and number and the coupling distance is accurately discussed. Some illustrative nu- merical results have been presented to discuss the radiation performance of carbon nanotube antenna array for different coupling distances.