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On the Benefits of Clustered Capillary Networks for Congestion Control in Machine Type Communications over LTE
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
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2015 (English)Conference paper, Published paper (Refereed)
Abstract [en]

One of the significant complexities that MachineType Communications (MTC) is expected to bring about is congestion. One promising conceptual approach in the literature to reduce congestion is clustering or grouping based solutions.Designing group-based solutions highly depend on particular cases, and it is challenging to come up with a universal solution.This paper is based on a project designed to address a grouping based congestion control technique in a particular MTC application scenario using the Capillary Networks approach from an experimental point of view. In this paper, an MTC congestion scene is generated inside a network-simulation environment in a defined “parking lot scenario” during a busy hour, where a huge number of cars and parking space sensors will try to connect to an LTE node in a congestive fashion. Based on the impact of this congestion on the node, the simulation results were analyzed to come up with a reasonable cluster size, a comparison of technologies to communicate within a group, and the benefits and tradeoffs due to clustering and Capillary Network-based solutions.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. p. 1-7
Keywords [en]
Machine Type communications; congestion control; clustering; capillary networks.
National Category
Communication Systems
Research subject
Information and Communication Technology
Identifiers
URN: urn:nbn:se:kth:diva-214964DOI: 10.1109/ICCCN.2015.7288439Scopus ID: 2-s2.0-84959387335ISBN: 978-1-4799-9963-7 (print)OAI: oai:DiVA.org:kth-214964DiVA, id: diva2:1144771
Conference
24th International Conference on Computer Communication and Networks
Note

QC 20171002

Available from: 2017-09-27 Created: 2017-09-27 Last updated: 2017-10-02Bibliographically approved
In thesis
1. Designing Efficient Access Control to Comply Massive-Multiservice IoT over Cellular Networks
Open this publication in new window or tab >>Designing Efficient Access Control to Comply Massive-Multiservice IoT over Cellular Networks
2017 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Internet of Things (IoT) has come in reality to improve our living quality. Automation is embraced in all the possible business verticals that have diverse communication needs ranged from static devices’ sporadic transmission to mobile devices’ every minute transmission. Despite, there are many technologies available today to support IoT services; cellular systems can play a vital role for IoT services, like wearables, vehicular, and industrial IoT, rollout which have either mobility or security concern. 

IoT services generated traffic are foreseen as a sporadic-bursty traffic. As the cellular networks are designed to serve continuous data traffic, the existing system’s access control mechanism cannot efficiently conform to the burstiness of traffic. This limits the scope of the network scalability in terms of simultaneous serving devices’ capacity. Also, this bursty pattern can extensively increase the rate of network’s congestion incident. In this thesis, we focus on these underlying challenges to support a large number of heterogeneous IoT services with existing services over the same radio network. An important question for supporting IoT services over cellular networks is how detrimental are the effects of IoT services on other services of cellular networks. This dissertation seeks to answer this with quantitative results to indicate the real constraints of existing networks.

An important conclusion is that existing cellular system is incompetent to support the bursty arrival of massive IoT devices in terms of radio networks’ access control plane’s scalability. Therefore, this dissertation presents solutions to overcome the identified limitations of access control planes. To improve the performance of the access control plane, we incorporate a vertical core network controlled group management scheme that can assure the operator’s granular control over capillary gateways. Besides, this introduces a unique handover opportunity between cellular and capillary network vertices. Then, we present a simple but efficient initial access mechanism to overcome the initial access collision at the very early stage. Finally, we show the impact of access collision and retransmission on the initial access resource dimensioning.We present a practical traffic model that is realistic for the traffic scenario for mixed-traffic. Our presented results and analysis depict the trade-offs between access rate, retransmission and resource allocation over time and frequency.Our results reveal that with proposed schemes of the cellular system’s access control plane can be scalable and resilient to accommodate a large number of IoT devices without incurring extra delay or need of resources to the system.

Place, publisher, year, edition, pages
Stockholm: Kungliga Tekniska högskolan, 2017. p. 67
Series
TRITA-ICT ; 2017:18
National Category
Communication Systems
Research subject
Information and Communication Technology
Identifiers
urn:nbn:se:kth:diva-214974 (URN)978-91-7729-547-1 (ISBN)
Presentation
2017-11-10, Sal A (Sal östen Mäkitalo), Kungl Tekniska högskolan, Kistagången 16, Kista, Stockholm, 11:00 (English)
Opponent
Supervisors
Note

QC 20170928

Available from: 2017-10-02 Created: 2017-09-27 Last updated: 2017-10-04Bibliographically approved

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