Abstract:
The discontinuous reception (DRX) operation is included in long term evolution (LTE) to achieve power saving and prolonged battery life of the UE. An improvement in DRX power saving usually leads to a potential increase in the packet delay. An optimum DRX configuration depends on the current data traffic, which is not easy to estimate accurately, especially, for nonreal-time applications.
In our thesis, we propose a novel way to vary the DRX cycle length avoiding continuous estimation of the data traffic when only nonreal-time applications are running with no real-time applications active. Since small delay in nonreal-time traffic does not essentially impact the user’s experience adversely, we allow limited amount of delay deliberately in our proposal to attain significant improvement in power saving. Our proposal also improves the delay in service resumption after a long inactivity. We use a stochastic analysis assuming M/G/1 queue to validate the improvement of the proposal.
Description:
Supervised by
Mr. Mohammad Tawhid Kawser,
Assistant Professor,
Department of Electrical and Electronic Engineering
Islamic University of Technology (IUT),
Organisation of Islamic Cooperation (OIC),
Dhaka, Bangladesh.
