can i get the code for zig zag decoding for combating collisions in wireless networks

im doing seminar on zig zag decoding:combating collisions in wireless networks by shyamnath golkota.can anyone help me with the coding to detect a collision when two transmittrs transmit at the same time.at the receiver correlation of the received data(symbols) should be done with the known preamble.

Answer 1

[Matt J]

If code is available anywhere, it's on the File Exchange.