Gaetano, D.; Sipal, V.; McEvoy, P.; Ammann, M.J.; Brannigan, C.; Keating, L.; Horgan, F.: 'Footwear-centric body area network with directional UWB antenna', Electronics Letters, 2013, 49, (14), p. 860-861, DOI: 10.1049/el.2013.1596
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1mf14uke84q6o.x-iet-live-01content/journals/10.1049/el.2013.1596