Equivalent codes and optimality of orthogonal space-time block codes. - Alex E. Geyer; Sergiy A. Vorobyov; Norman C. Beaulieu (ACSCC, 2011)

Equivalent Codes, Optimality, and Performance Analysis of OSTBC: Textbook Study. - Alex E. Geyer; Reza Nikjah; Sergiy A. Vorobyov; Norman C. Beaulieu (CoRR, 2014)

Euclidean and Space-Time Block Codes: Relationship, Optimality, Performance Analysis Revisited. - Alex E. Geyer; Reza Nikjah; Sergiy A. Vorobyov; Norman C. Beaulieu (IEEE Trans. Commun., 2015)