“NOVEL 2X2 FULL-RATE SPACE-TIME BLOCK CODE WITH IMPROVED PERFORMANCE AT SMALL SEPARATION BETWEEN COLLOCATED ANTENNAS”. REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE, vol. 67, no. 2, July 2022, pp. 171-3, https://journal.iem.pub.ro/rrst-ee/article/view/173.