Abstract
The modern communication systems and software radio based applications’ demands fully digital receivers, consisting of only an antenna and a fully programmable circuit with digital modulators and demodulators. A basic communication system’s transmitter modulates the amplitude, phase or frequency proportional to the signal being transmitted. This paper involves implementation of CORDIC (Coordinate Rotation Digital Computer) algorithm for generating digital modulation Amplitude shift keying (ASK) and Phase Shift keying (PSK). CORDIC was introduced to implement and versatile algorithm widely used for digital signal processing application that works only with shifter and shifter. A digital modulation is presented, the result obtained on Modelsim-Altera are given to illustrate the efficiency and the benefits of the proposed approach and implemented in DE-115 FPGA for real time applications.
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