Delay performance of radio physical layer technologies as candidates for wireless extensions to industrial networks. - Christos Koulamas; A. Lekkas; George D. Papadopoulos; Grigorios Kalivas; Stavros A. Koubias (ETFA (1), 2001)

Radio channel characterization in industrial environments and spread spectrum modem performance. - Andreas Miaoudakis; A. Lekkas; Grigorios Kalivas; Stavros A. Koubias (ETFA, 2005)