The project is able to provide a usable video/audio link that can be established between two nodes, using a third node as a relay node. The link can perform at an effective bit error rate of at most 0.1% on a Rayleigh faded channal with an average SNR 20dB at a bit rate of 400 kbps. Further more, the average frame rate is 5 frames per second at 320x240 pixel resolution with an image quality comparable to a 95% JPEG image.
The highest bit rate is acheved using QPSK modulation.
The spectrum of two peers and relay is shown as follow.
