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Improved handover signaling for 5G networks

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hdl:2117/132885
Document typeConference report
Defense date2018
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial
property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public
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Project5G-AURA - Application-aware User-centric Programmable Architectures for 5G Multi-tenant Networks (EC-H2020-675806)
RYC-2013-13029 (MINECO-RYC-2013-13029)
RYC-2013-13029 (MINECO-RYC-2013-13029)
Abstract
Mobility management is a critical component for any new wireless standard to be ubiquitous. While 4G-LTE and prior wireless standards utilized vendor specific hardware and software on which mobility management (MM) functionality was implemented, recent 5G architecture releases by 3GPP indicate a complete departure from the same. 3GPP in release 14 and the upcoming release 15 has stressed upon the utilization of Software Defined Networking (SDN) and Network Function Virtualization (NFV) as the drivers of 5G technology. Consequently, new challenges related to MM and specifically handover management will be encountered owing to the inter-working setup between the 5G Next-Gen Core (NGC) and the Evolved Packet System (EPS) core. In this paper, we exploit the SDN to enhance the signaling of the HO methods proposed by 3GPP. Although the proposed approach can be applied to any HO method, in this paper we specifically evaluate the scenario wherein a dedicated interface between the Mobility Management Entity (MME) in the EPC and the Access and Mobility management Function (AMF) in the 5G NGC, i.e., N26 as specified by 3GPP, is non-existent. Such a scenario is reasonable during the initial deployment phases of 5G networks. We show that the proposed mechanism is efficient as compared to the 3GPP handover strategy in terms of latency, transmission and processing costs.
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CitationJain, A.; Lopez-Aguilera, E.; Demirkol, I. Improved handover signaling for 5G networks. A: IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications. "2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2018): Bologna, Italy: 9-12 September 2018". Institute of Electrical and Electronics Engineers (IEEE), 2018, p. 164-170.
ISBN9781538660102
Publisher versionhttps://ieeexplore.ieee.org/document/8580757
Collections
- Departament d'Enginyeria Minera, Industrial i TIC - Ponències/Comunicacions de congressos [215]
- Doctorat en Enginyeria Telemàtica - Ponències/Comunicacions de congressos [100]
- WNG - Wireless Network Group - Ponències/Comunicacions de congressos [140]
- Departament d'Enginyeria Telemàtica - Ponències/Comunicacions de congressos [561]
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