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Spread Spectrum Modem for Voice and Data Transmission

Md. Abdul Alim
Department of Applied Physics, Electronics & Communication Engineering, University of Chittagong , Bangladesh
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 antijamming 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.

Index Terms— spread spectrum modem, mathematical modeling, BER (bit error rate), SNR (signal to noise ratio), voice and data transmission, simulation.

Cite: Md. Abdul Alim, "‘Spread Spectrum Modem for Voice and Data Transmission," Journal of Advances in Information Technology, Vol. 3, No. 2, pp. 115-119, May, 2012.doi:10.4304/jait.3.2.115-119
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