A coherent multi-reader approach to increase the working range of passive RFID systems. - Bernd Kubina; Martin Schussler; Christian Mandel; Holger Maune; Dominikus Muller; Andreas Ziroff; Rolf Jakoby (RFID-TA, 2012)

Group-delay modulation with metamaterial-inspired coding particles for passive chipless RFID. - Christian Mandel; Bernd Kubina; Martin Schussler; Rolf Jakoby (RFID-TA, 2012)

Metamaterial-inspired passive chipless radio-frequency identification and wireless sensing. - Christian Mandel; Bernd Kubina; Martin Schüßler; Rolf Jakoby (Ann. des Télécommunications, 2013)