M.Sc. Thesis Defense Session

in

Computer Engineering (Hardware)

Tittle:

Design and Evaluation of Smart Health Networks for Elderly and Disabled Community

By

Seyed Pourya Miralavi

Supervisor:

Dr. Mona Ghassemian

Examination Committee:

Dr. Ali Movaghar – Dr. Farshad Safaei – Dr. Maghsoud Abbaspour

Location: Room 117, Faculty of Computer Science and Engineering.

Time: Sunday, January 22 , 2017 (3 Bahman 1395) – 10:30.

Abstract: Software-Defined Networking (SDN) is an emerging research subject which is widely taken into consideration as a part of the next generation of wireless networks. These networks aim to add programmability to networking which results in high flexibility of the network. In order to do so, SDN decouples the control plane and data plane of the networks into two different layers in which control plane is responsible to take necessary network decisions and data plane is only responsible to forward packets. This simplification has resulted in new horizons towards innovation in networking. Mobility management and specially handoff decision are important challenges with the aim of providing a seamless connection for UE and the remote host in wireless networks. With the help of SDN and its centralized controller, new approaches can be held to further improve handoff decision algorithms. In this thesis, we aim to use LTE-SDN network architecture to improve handover decision algorithm by means of reducing the number of unnecessary handoffs as well as handoff delay by doing handover preparation phase (resource allocation) prior to the execution phase. Our results show 16, 24 and 20 percent improvement of performance in our proposed algorithm compared to the traditional LTE architecture with respect to handoff latency, number of handoffs and handoff signalling overhead respectively.

Keywords: Software-Defined Networking – Handoff – Long-Term Evolution