Design and Implementation of Multilevel QAM Band pass Modems (8QAM, 16QAM, 32QAM and 64QAM) for WIMAX System Based on SDR Using FPGA

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Provided by: International Journal of Soft Computing and Engineering (IJSCE)
Topic: Hardware
Format: PDF
In this paper the authors simulate, design and implementation of a proposed system of multilevel band-pass QAM modems (modulation/demodulation) schemes with selectable technique between them based on Software Defined Radio (SDR) using FPGA for WIMAX system. These modems are 8QAM, 16QAM, 32QAM and 64QAM. MATLAB-Simulink tool and M-files are used to design these modems.\"Simulink HDL Coder\" is used to convert all files to VHDL Codes for hardware implementation using FPGA Altera-Cyclone II family DE2 board. Simulink HDL coder proves the capabilities to generate Hardware Description Language (HDL) code to MATLAB model (Simulink and M-file) for complex units of proposed system.
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