1. Kamal, A. E. and A. Ramamoorthy, " 1+N Protection for Mesh Networks Using Network Coding on Protection Cycles", U.S. patent 7,869,344, issued January 11, 2011.

  2. Kamal, A. E. and S. A. Aly, " Network Protection Using Network Coding", U.S. patent 8,705,345, issued April 22, 2014.