Machine Type Communications (MTC) are automated applications which involve machines or devices that communicate through a network without any human intervention. They can be used today in almost everyday life applications from military to civil applications, such as: transportation, health care, smart energy, supply and provisioning, city automation... Those devices are generally spread in a wide area and should communicate through widely deployed networks. A good candidate to play the role of such a network could be cellular mobile networks. In fact, Cellular networks have been already deployed and o er a large coverage. Such a deployment is bene ficial for both mobile network Operators (i.e. more revenues) and the application developers (i.e. more opportunities). Furthermore, LTE networks are all-IP networks and off er a good support for MTC. However, cellular networks are not designed for MTC applications. Consequently, such a deployment is challenging and rises new problems. The most important of them is congestion. In fact, in MTC, a huge number of devices are deployed. This leads to contention and congestion in the the di fferent parts and nodes of the network when a lot of devices communicate at the same time. In the present work, we propose a novel Congestion-Aware Admission Control solution, which deals with the congestion in LTE networks. Our solution, which is based on control theory, e ffectively allows avoiding the core network congestion while saving the wireless scarce resources. We show its e ffectiveness through network simulations carried on the ns-3 simulator. In fact, the obtained results show that our solution is robust against di fferent traffic patterns and accommodates huge amount of devices as expected in this particular case of MTC applications. It assures a targeted utilization of the resources in the network. Furthermore, it is completely compliant with the actual protocols and standards.
Authors
- Bibliographic Reference
- Ahmed Amokrane. Congestion Control in the context of Machine Type Communications in Long Term Evolution networks. Networking and Internet Architecture [cs.NI]. 2011. ⟨dumas-00636132⟩
- Department
- École normale supérieure - Cachan, antenne de Bretagne
- HAL Collection
- ['Ecole Normale Supérieure de Cachan', 'Rennes 1 - Master Recherche en Informatique', 'DUMAS', 'Ecole Normale Supérieure paris-Saclay']
- HAL Identifier
- 636132
- Institution
- École normale supérieure - Cachan
- Published in
- France
Table of Contents
- ENS Cachan Britanny extension University of Rennes I 2
- Research Master in Computer Science Networks and Distributed Systems 2
- Work done by ahmed.amokraneens-cachan.fr 2
- Ahmed Amokrane 2
- Supervisors adlen.ksentiniirisa.fr 2
- Adlen Ksentini 2
- Yassine Hadjadj-Aoul 2
- Dionysos team Irisa Inria Rennes Bretagne Atlantique 2
- Contents 4
- List of Figures 5
- 1 Introduction 6
- 2 Background and related works 7
- 2.1 Overview of Machine Type Communications 7
- 2.2 MTC applications taxonomy 8
- 2.3 Overview of the Long Term Evolution LTE networks 9
- 2.4 MTC applications in LTE networks 10
- 2.5 Overview of PID controllers 11
- 2.6 The congestion problem 14
- 2.7 Related works 15
- 3 Our proposal 16
- 3.1 Introduction 16
- 3.2 Congestion metrics 18
- 3.3 Congestion-Aware Admission Control CAAC 19
- 4 Performance evaluation 21
- 4.1 Simulation model 21
- 4.2 Test scenarios 22
- 4.3 Discussion 35
- 5 Discussions on our proposed solution 36
- 5.1 Advantages 36
- 5.2 Weaknesses and possible improvements 38
- 6 Conclusion 39
- References 40