Multi-band LTE-Advanced antenna design for mobile phone

Beyond LTE system, there are some more challenges for LTE-Advanced system antenna design. Most published papers have revealed novel wideband antenna design mainly for LTE system. However, if the antenna is designed by using active components, there would be some more challenges should be overcome for LTE-Advanced system. In this paper, we would like to propose a design method to overcame both antenna bandwidth co-existence challenge and desense issue for LTE-Advanced system.