Introduction - If you have any usage issues, please Google them yourself
PHY-Layer Resiliency in OFDM Communications:
A Tutorial
Chowdhury Shahriar, Matt La Pan, Marc Lichtman, T. Charles Clancy,
Robert McGwier, Ravi Tandon, Shabnam Sodagari, and Jeffrey H. Reed
The Bradley Department of Electrical and Computer Engineering
Virginia Polytechnic Institute and State University
Blacksburg, Virginia, USA