Generation of PN Sequences for Spread Spectrum Application ECE Project Abstract

Introduction to Generation of PN Sequences for Spread Spectrum Application ECE Project:

Introduction to spread spectrum:

Spread spectrum is an signal structuring technique which employs a frequency hoping of direct sequence for achieving multiple access of signal in telecommunications. We will employ frequency hoping spread spectrum(FHSS), direct sequence spread spectrum(DSSS), time hoping spread spectrum (THSS) and chip spread spectrum(CSS)  for generating pseudorandom of PN sequences. In this paper we will discuss the generation of PN sequences using spread spectrum.

Brief about spread spectrum:

By spread spectrum technique the signal is spread in frequency domain which generates a signal with higher bandwidth. For applying the spread spectrum a direction sequence signal is taken so that the signal can be used for multiple access and this decreases the potential difference at the receivers. At the receivers the original signal is retrieved. Pseudo random generators are used for generating pseudo random for the PN sequence. Radio signal is used for generating a wider signal using spread spectrum for the direct sequence signal. In synchronous digital systems spread spectrum clock generators are used to reduce the spectral density of the electronic interference generated in the system.


The spread spectrum is widely used for increasing resistance to a natural interference and to reduce the usage of power flux density. These are mainly used in communication in satellite downlink channels.  By using spread spectrum the noise in the signals can be isolated completely.

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