Patent 8660483 was granted and assigned to Toshiba on February, 2014 by the United States Patent and Trademark Office.
According to one embodiment, an antenna switching system includes a (a≧3) antennas and a selector. The selector selects b1 (2≦b1<a) antennas out of the antennas at first timing, causes the selected antennas to configure an array antenna, selects, at second timing, b2 (2≦b2<a) antennas including c (1≦c<b1) antennas among the antennas used to configure the array antenna at the first timing out of the antennas, and causes the selected antennas to configure an array antenna.