CST – Computer Simulation Technology

High Isolation Internal Dual-Band Planar Inverted-F Antenna Diversity System with Band-Notched Slots for MIMO Terminals
Ki-Jin Kim, Won-Gyu Lim, Jong-Won Yu
Proceedings of the 36th European Microwave Conference
Sept. 2006
Antenna isolation, band-notched slots, internal antenna, MIMO, PIFA
Internal dual-band planar inverted-F antenna (PIFA) diversity system for portable devices, operating in the 2.4-GHz band (2400-2484MHz) and 5.2-GHz band (5150-5350MHz), is presented. To reduce the mutual coupling and get the high isolation between the two internal dual-band antennas, we proposed the band-notched ?/4 slots on the ground plane. The optimized band-notched slots for high isolation, high radiation efficiency and high effective diversity gain are analyzed. The band-notched slots can be used to the small MIMO terminals which require high isolation between antennas.

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