QoS Monitoring for Professional Short-Message-Services in Mobile Networks. - Andreas Waadt; Guido Horst Bruck; Peter Jung 002; M. Kowalzik; T. Trapp; C. Begall (ISWCS, 2005)

A Software Architecture for QoS Surveillance for Short Message Services in GSM Networks. - Andreas Waadt; Guido Horst Bruck; Peter Jung 002; M. Kowalzik; T. Trapp; C. Begall (ICNS, 2006)