Design of antennas with spatial diversity for WiMAX terminals on a high-speed train

This paper presents design of sets of wideband antenna for being installed on the train car of Taiwan High Speed Rail (THSR). As terminal antennas, these antennas function wireless communication with the Base Stations (BS) of WiMAX along the rail when the train is running. Also, they work in a wideband and in a way of spatial diversity to ensure stable data transmission. One set is based on microstrip antenna technology and the other one is of monopole-like antenna. In addition to the simulated and measured performance of antennas, the field test data is also described.