Karim Hammad Abdallah Moubayed Serguei Primak Abdallah Shami Investigating the energy-efficiency/delay jitter trade off for VoLTE in LTE downlink. 1-7 2017 PIMRC https://doi.org/10.1109/PIMRC.2017.8292492 conf/pimrc/2017 db/conf/pimrc/pimrc2017.html#HammadMPS17