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Spread Spectrum Modem for Voice and Data Transmission

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Author(s): Md. Abdul Alim

Journal: Journal of Advances in Information Technology
ISSN 1798-2340

Volume: 3;
Issue: 2;
Start page: 115;
Date: 2012;
Original page

Keywords: spread spectrum modem | mathematical modeling | BER (bit error rate) | SNR (signal to noise ratio) | voice and data transmission | simulation

ABSTRACT
This paper describes the design of a direct sequence spread spectrum (DSSS) modem for voice and data transmission using SYSTEMVIEW and MATLAB. The advantage of DSSS voice and data transmission includes the immunity from interference signals and anti-jamming effect. The paper represents a mathematical model for DSSS modem and based on this model, simulation is carried out by MATLAB and SYSTEMVIEW software. The obtained results were satisfactory within reasonable limit.
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