Faculty Advisor
King, Brian M.
Abstract
A system was created which allows digital communication over the acoustic channel in real time. This was accomplished using the TI TMS320C6713 floating-point digital signal processor. In order to transmit and receive digital data acoustically through a speaker and microphone, the acoustic channel's characteristics were modeled using an adaptive filtering algorithm. Digital communication was established using BPSK and QPSK modulation. A BPSK receiver was designed using a non-coherent receiver based on correlation and a QPSK receiver was designed using a phase-locked loop. The final non-coherent BPSK system produced a data rate of 282.47 symbols per second with a data rate of 9.24 x 10. The final coherent BPSK system produced a data rate of 400 symbols per second with an error rate of 1.1 x 10?.
Publisher
Worcester Polytechnic Institute
Date Accepted
January 2006
Major
Electrical and Computer Engineering
Project Type
Major Qualifying Project
Copyright Statement
Access to this report is limited to members of the WPI community. Please contact a project advisor or their department to request access
Accessibility
Restricted-WPI community only
Advisor Department
Electrical and Computer Engineering
Advisor Program
Electrical and Computer Engineering