Abstract
The wireless system capacity can be increased by the use of multiple antennas at transmitting and receiving side. The technology which uses multiple antennas called multiple inputs multiple outputs used to fulfils the demand of higher bit rate. In this paper two element antennas has designed using MIMO technique for dual band application and produced better isolation characteristics. In the proposed structure the high isolation was achieved using triangular and hexagonal cut structure. The presented simulated result produced low value of ECC and optimum value of VSWR in the given frequency band. The value of S12 is found less than -18 dB. The value of ECC is obtained 0.015 at 5.3 GHz. The proposed antenna operates in two frequency applications which are 3.59 GHz and 5.3 GHz.
Highlights
In the MIMO antenna system various techniques are available for size reduction as well as the improvement in isolation among ports
Some MIMO design reported for L-slot MPA [1,2,3] for WLAN applications
A rectangular micro strip MIMO antenna is designed with hexagonal cut and simulated and optimized using the CST Studio Suite software
Summary
In the MIMO antenna system various techniques are available for size reduction as well as the improvement in isolation among ports. Some MIMO design reported for L-slot MPA [1,2,3] for WLAN applications. A compact MIMO antenna with omnidirectional radiation characteristics proposed has peak gain of 3 dBi at the resonating 3.5 GHz. A MPA [4] for multiband application was presented using some unique structure, and printed on top of the substrate for WLAN systems, and achieved a good frequency response with the maximum value of gain. Some broadband MPA developed [6] for WiMAX and WLAN, exhibits wideband characteristics using two PIN diode and achieved the good isolation among the radiators. This antenna shows 36.2% impedance bandwidth with more than 90% antenna efficiency and is suitable for 2.3/2.5. The design parameter was calculated for single patch which further extend for two elements
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