27 May 2005
Over-the-air demonstration of spatial multiplexing at high data rates using real-time base-band processing
V. Jungnickel, T. Haustein, A. Forck, U. Krueger, V. Pohl, and C. von Helmolt
Adv. Radio Sci., 2, 135–140, https://doi.org/10.5194/ars-2-135-2004,https://doi.org/10.5194/ars-2-135-2004, 2004