Performance analysis of WCDMA link using QPSK & QAM modulation schemes based on vector signal transceiver 5644R & LabVIEW 2012

WCDMA mobile technology has emerged as the prominent Third Generation (3G) Cellular Systems technology to meet the high end requirements and challenges to help provide promising and efficient services which fulfills the requirements like enormous speed data, video and multimedia traffic as well as voice signals. WCDMA Downlink transmission using enormous data rate based M-ary indexed Quadrature Amplitude Modulation (64QAM) and Binary Phase Shift Keying (BPSK) and QPSK modulation schemes are worth considering in designing Wideband-Code Division Multiple Access (W-CDMA) system. In this article the performance analysis of WCDMA link based on unique QPSK and QAM modulation schemes to practically investigate the WCDMA based link Designed in LabVIEW 2012 and based on hardware platform using VST 5644R is being carried out.

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