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High isolation planar UWB antennas for wireless application

Alaa H. Radhi, R. Nilavalan, H. S. Al-Raweshidy, Nur Ab Aziz
2017 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)  

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A new printed ultra-wide band (UWB) antenna system is proposed for MIMO applications. The proposed antenna system consists of two identical circular disc monopole elements etched on a single FR4 substrate with a compact size of 93 × 47 × 1.6 mm 3 and is fed by a 50-Ω microstrip line. The proposed antenna can operates over UWB range from 3.1 to 10.6 GHz. A novel compact planar decoupling structure is inserted into the coupled antenna array to increase the isolation; a precise performance study
more » ... s been implemented to investigate the mutual coupling reduction effects. Therefore, a good isolation of less than -31dB has been achieved through the entire UWB band (more than 12 dB improvement over the reference) for an antenna spacing less than 0.3 λ0.The antenna is an excellent candidate in UWB applications for handsets or portable laptops using multiple-input-multiple-output (MIMO) or diversity systems.
doi:10.1109/imws-amp.2017.8247358 fatcat:un35o5kanzgkdkeyhbpigzbqpa
Citation

Alaa H. Radhi, R. Nilavalan, H. S. Al-Raweshidy, Nur Ab Aziz. "High isolation planar UWB antennas for wireless application." 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) (2017)