Die Hu, Luxi Yang, Lianghua He, Yuhui Shi. Optimal pilot sequence design for multiple-input multiple-output OFDM systems. In Proceedings of the Global Telecommunications Conference, 2005. GLOBECOM '05, St. Louis, Missouri, USA, 28 November - 2 December 2005. pages 5, IEEE, 2005. [doi]
Abstract is missing.