Third-order delay-locked loop: mean time to lose lock and optimal parameters. - Arnold L. Welti; Urs P. Bernhard (PIMRC, 1992)

Mean time to lose lock of the first-and second-order modified code tracking loop used in spread spectrum systems. - Arnold L. Welti; Urs P. Bernhard (Eur. Trans. Telecommun., 1994)

Mean time to lose lock for a second-order extended tracking range delay-locked loop. - Andreas Wilde; Urs P. Bernhard (PIMRC, 1995)

Third-order delay-locked loop: mean time to lose lock and optimal parameters. - Arnold L. Welti; Urs P. Bernhard; Ben-Zion Bobrovsky (IEEE Trans. Commun., 1995)

Stability requirements of oscillators used for synchronization loops in communication systems. - Arnold L. Welti; Urs P. Bernhard (Eur. Trans. Telecommun., 1996)

Stochastic radio channel model for advanced indoor mobile communication systems. - Ralf Heddergott; Urs P. Bernhard; Bernard H. Fleury (PIMRC, 1997)

Link quality control for wireless ATM networks. - Jürg Meierhofer; Urs P. Bernhard (ICC, 1999)