Design and synthesis of bandwidth efficient QPSK modulator for low power VLSI design - 2015
In recent years digital designs have been highly automated, and also the digital modulation provides additional info capability, compatibility, higher information security, higher quality communications and quicker system availability with digital services. This project proposes a QPSK module primarily based on p/4 modulation technique. A simulative investigation on the bandwidth potency of the QPSK modulator has been implemented with the proposed technique; and thereby compared with the traditional BPSK modulation theme. Synthesis and implementation of QPSK modulation technique is described viz. subsystem modules of digital communication. The QPSK modulator unit can be modelled using HDL code and simulation is finished using Modelsim 10.d simulator followed by synthesis and FPGA implementation of the look using Xilinx ISE design suite using Spartan-vi FPGA kit.
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