CRDSA
A Matlab implementation of the Contention Resolution Diversity Slotted Aloha MAC layer
Contention Resolution Diversity Slotted ALOHA (CRDSA): an enhanced random access scheme for satellite access packet networks; Enrico Casini, Riccardo De Gaudenzi and Oscar del Rio Herrero; IEEE Transactions on Wireless Communications, Vol. 6, No. 4, April 2007