video over the LTE uplink. The scenario is depicted in Figure
1. The video camera transmits the stream to an LTE mobile device
that acts as a gateway. If the video frames are transmitted
while generated, the LTE radio will be continuously on. However,
if the video frames are bundled for a few seconds to a larger
burst of data before transmission, the LTE radio can leverage the
in-built power saving mechanisms, namely discontinuous reception/transmission
(DRX/DTX). In this paper, we show through simulations
how much energy can be saved in this way.