NDLI: Design and implementation of a new architecture of a real-time reconfigurable digital modulator on FPGA

Content Provider	IET Digital Library
Author	Andre, W. Couillard, O.
Abstract	One of the prerequisites of electronic warfare (EW) is to have the means to provide secure point-to-point wireless data and voice communications with other ground stations. New technologies are giving rise to bigger information security threats. This situation illustrates the best the urgency of reducing the development time of EW systems. Previous works suggest that digital systems are the best candidates for this purpose and therefore form the backbone of modern EW. As a result, digital modulation techniques are widely used in modern wireless communication systems. This is largely due to their high resistance to noise and their high transmission capacity that can be achieved through data multiplexing. In this Letter, a new reconfigurable architecture of a phase shift keying (PSK) modulator is described and implemented on FPGA. The latter can be configured in real time to produce the following modulation schemes: QPSK, 8-PSK, and 16-PSK without having to regenerate the FPGA configuration bits. This action can be done by software via programming or manually using a DIP switch. The proposed design is implemented on the Xilinx xc7k325tfbg900 FPGA using the Genesis 2 development board. The experimental results are in agreement with the simulations.
Starting Page	1094
Ending Page	1095
Page Count	2
ISSN	00135194
Volume Number	54
e-ISSN	1350911X
Issue Number	Issue 18, Sep (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/54/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.5160
Journal	Electronics Letters
Publisher Date	2018-08-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	(PSK) Modulator Bigger Information Security Threats Development Time Digital Modulation Technique Digital System Electronic Warfare EW System Field Programmable Gate Array FPGA Configuration Bits Genesis 2 Development Board Ground Stations High Resistance High Transmission Capacity Logic And Switching Circuit Logic Circuit Modern EW Modern Wireless Communication System Modulation Scheme Phase Shift Keying PrerequiSite Previous Works Quadrature Phase Shift Keying Radio Link And Equipment Real-time Reconfigurable Digital Modulator Reconfigurable Architecture Reconfigurable Architectures Secure Point-to-point Temperature 7.0 K Voice Communication
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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