Research Article Open Access

Performance Analysis of Different PSK Modulation Schemes for 2X2 MIMO System Using Microstrip Antennas

Abstract

MIMO techniques promise a significant boost in the capacity of wireless systems. In this paper, MIMO system is designed using a compact double-sided printed antenna having ultra-wideband and band-notched characteristic. The UWB antennas are designed on CST Microwave studio simulation software with return loss less than -10dB, and further using the results from CST, performance analysis of different PSK modulation schemes including BPSK, QPSK, 8 PSK and 16 PSK is done on MATLAB software. The MIMO UWB antennas are designed using polarization diversity of the individual antennas. The transmitting bandwidth is UWB (i.e. 3.1-10.6GHz) and the receiving bandwidth is notch UWB (notch bandwidth 5-5.9GHz) are chosen to reduce the interference at the receiver side. The MIMO UWB system is designed for frequency of 9-10 GHz that is used for micro power radar application in the ultra wideband removing the interference from WLAN band.

Harshal Nigam, Mithilesh Kumar

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