Apr 29, 2012

Design and Simulation of CDMA Transmitter and Receiver using VHDL for Secure Communication

Seminar Papers Pharmacy Presentations technical IEEE ppts topics abstract on Design and Simulation of CDMA Transmitter and Receiver using VHDL for Secure Communication (Seminar Paper Presentations) 
Abstract:In this original work of authors, a method is suggested for design and simulation of CDMA (Code Division Multiple Access) transmitter and receiver using substitution cipher method for secure communication and multiple access ability. The PN sequence is generated using two flip flops satisfying their properties like run property, balance property and correlation property and the message signal is encrypted and decrypted at the transmitter and receiver side respectively using substitution cipher method. The hardware modelling is done using VHSIC (Very High Speed Integrated Circuit) Hardware Description Language (VHDL). Xilinx ISE software is used for simulation. This paper finds encouraging results with maximum combinational path delay of 10.464ns.

Index terms- CDMA, PN sequence, substitution cipher, VHDL, encryption, decryption.

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