The objective of  Multi User CDMA Communication System project is to implement a real-time digital acoustic communication system using CDMA. The system should work reliably in a laboratory and a multi-path environment. The system should be able to transmit information from one PC to another through an entirely acoustic channel. Furthermore, the system should be able to separate eight users simultaneously. Thus providing a basis for the future students to have an idea of wireless data transfer. 

Multi User CDMA Communication System

Problem Specification:

The objective of the project is to implement a real-time digital acoustic communication system using CDMA. The system should work reliably in a laboratory environment. The system should be able to transmit information from transmitter to receiver acoustic channel. Furthermore, the system should be able to separate eight users simultaneously. Thus providing a basis for the future students to have an idea of wireless data transfer. 

Project Environment:

The basic setup for the project consists of a PC. A loudspeaker was connected to the transmitting PC and a microphone was attached with the same PC as a receiving device.

Observation:

system can use Walsh code instead of any other code because this system is implemented at short distances, and therefore there will be negligible amount of multipath present. Secondly, the modulation technique used in the project would be BPSK due limitation of data rate provided by the sound card. 

Software Used:

Matlab Software

CDMA Simulator

Project Enhancements:

There can be a number of developments in this project to take this to a new level. 

One of the major developments can be to use this system under water, as sound waves travel a long distance under water.

Presently, the sound waves are used for transmission and reception; this project can be implemented on RF. In this way it would be a wireless system in the true essence. 

Download   matlab code for Multi User CDMA Communication System transmitter and receiver and students can request for full project report by comment your mail id on this post or contact through mail.

Also See:Final Year Project on Autonomous Artistic Robot

Tag: Matlab Projects