History Instances of dirty paper coding include Costa precoding -LRB- NUMBER@1 -RRB- , Tomlinson-Harashima precoding -LRB- NUMBER@2 -RRB- and the vector perturbation technique of PERSON@1 et al. .

History People have thought up several dirty paper codes , including Costa precoding -LRB- NUMBER@1 -RRB- , Tomlinson-Harashima precoding -LRB- NUMBER@2 -RRB- and the vector perturbation technique of PERSON@1 et al. .
