Abstract: As PSK modulation techniques are power and bandwidth efficient, it is the mostly preferred and popular modulation scheme in wireless communications. This paper deals with the design and implementation of selectable M-PSK modulators viz. BPSK, QPSK, 8PSK, 16PSK and 32PSK on Spartan-3AN FPGA device using Xilinx System Generator and VHDL. The communication channel also includes channel encoding like CCITT Scrambler (V.35), Differential encoder, Convolutional encoder (K=7, rate=1/2) for error control. The prime objective is to study the bandwidth efficiency of modulated signal as the modulation index increases. Also, the ease and versatility of FPGA device is also studied in terms of flexibility to change the design parameters like data rate, carrier frequency etc before the design is implemented.
Keywords: QPSK, BPSK, RRC, FPGA, M-PSK, symbol rate.
Title: FPGA Design and Implementation of Selectable M-PSK Modulators
Author: Shahana K, K.S.Parikh
International Journal of Engineering Research and Reviews
ISSN 2348-697X (Online)
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