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INTERNATIONAL JOURNAL OF ENGINEERING DEVELOPMENT AND RESEARCH
(International Peer Reviewed,Refereed, Indexed, Citation Open Access Journal)
ISSN: 2321-9939 | ESTD Year: 2013

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Paper Details
Paper Title
A Novel Approach For the Design and Implementation of FPGA Based High Speed Digital Modulators Using Cordic Algorithm
Authors
  Dhivya Jose,  Reneesh C Zacharia ,  Rijo Sebastian

Abstract
The main objective of this paper is to implement all digital modulation techniques into a single module and implement in a Field Programmable Gate Array (FPGA). The proposed system allows the user to select any one of four modulations without reconfiguring the FPGA. Carrier waveform for the modulator is generated using coordinate rotation digital computer CORDIC algorithm which uses shift, addition and very small look up table (LUT). It is hardware efficient and iterative algorithm for circular rotation and an efficient method to compute trigonometric functions. The codes for these digital modulators are developed in VHDL and the functionality of these digital modulators was simulated using the MODELSIM simulation software and synthesized by Xilinx ISE Design suite14.5 and finally implemented in SPARTAN-3E FPGA.

Keywords- Binary amplitude shift keying (BASK) , Binary phase shift keying (BPSK), Binary frequency shift keying (BFSK), Quadrature phase shift keying (QPSK) ,Field Programmable Gate Array,(FPGA),CORDIC
Publication Details
Unique Identification Number - IJEDR1402263
Page Number(s) - 2835-2840
Pubished in - Volume 2 | Issue 2 | June 2014
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Dhivya Jose,  Reneesh C Zacharia ,  Rijo Sebastian,   "A Novel Approach For the Design and Implementation of FPGA Based High Speed Digital Modulators Using Cordic Algorithm", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.2, Issue 2, pp.2835-2840, June 2014, Available at :http://www.ijedr.org/papers/IJEDR1402263.pdf
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