And finally a few words about who we are. This project was done by K.V.J.Subrahmanyam and B.Santosh, students of the final year electronics and tele-communication engineering at the College of Engineering, Osmanabad. Before we sign off, we would like to express our deep gratitude to the following people who helped us during the execution of the project. We are very thankful to our project guide Prof.R.N.Chavan, for having guided us in a clear path during the entire course of the project, Prof.S.S.Kanade, our project examiner and Prof.S.M.Jagade, for all the help that they have given us in clarifying some basic problems in communications theory and in MATLAB. We would also like to express our deep sense of appreciation for our department head Prof.S.R.Patil for constantly encouraging us and for having supported us right through this entire project. We would also like to thank all our friends who have helped us either directly or indirectly with either their valuable resources or even more valuable time. And finally a great big thanks to my PC for not having crashed during the course of preparing this site and my report! We would love to hear what you have to say of this site as well as anything which u feel interesting on this topic. Please do get back to us at Meraemailid[at]yahoo.com .