@article {Trans_Info_Theory_OSTBC_Identifiability2008, title = {On the blind identifiability of orthogonal space-time block codes from second order statistics}, journal = {IEEE Transactions on Information Theory}, volume = {54}, number = {2}, year = {2008}, month = {February}, pages = {709-722}, author = {V{\'\i}a, Javier and Santamar{\'\i}a, Ignacio} }