An Ultrawideband MIMO Antenna With a High Isolation

摘要

In this letter, a compact ultrawideband (UWB) multiple-input–multiple-output (MIMO) antenna with a high isolation covering 2.4 GHz WLAN and 3.1–10.6 GHz UWB bands is presented. The proposed antenna is based on meandering monopoles; an ultrawide bandwidth is achieved by involving two inverted L-shape parasitic strips and two smaller L-shape stubs, and a high isolation is obtained by etching a slot at the center of the ground. The prototype is simulated, fabricated, and measured. A good agreement between the measured and simulated results shows that an ultrawide bandwidth and a high isolation are successfully achieved.