A performance analysis of TDMA and CDMA based air interface solutions for UMTS high bit rate services. - Kari Pehkonen; Harri Holma; Ilkka Keskitalo; Eero Nikula; Tapani Westman (PIMRC, 1997)

On LTE performance trade-off between connected and idle states with always-on type applications. - Jani Puttonen; Elena Virtej; Ilkka Keskitalo; Esa Malkamäki (PIMRC, 2012)