Dynamically Reconfigurable Slice Allocation and Admission Control within 5G Wireless Networks.

Perveen, Abida and Patwary, Mohammad and Aneiba, Adel (2019) Dynamically Reconfigurable Slice Allocation and Admission Control within 5G Wireless Networks. In: 2019 IEEE 89th Vehicular Technology Conference: VTC2019-Spring.

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Abstract

Serving heterogeneous traffic demand requires efficient
resource utilization to deliver the promises of 5G wireless
network towards enhanced mobile broadband, massive machine
type communication and ultra-reliable low-latency communication.
In this paper, an integrated user application-specific demand
characteristics as well as network characteristics evaluation based
online slice allocation model for 5G wireless network is proposed.
Such characteristics include, available bandwidth, power, quality
of service demand, service priority, security sensitivity, network
load, predictive load etc. A degree of intra-slice resource sharing
elasticity has been considered based on their availability. The
availability has been assessed based on the current availability
as well as forecasted availability. On the basis of application
characteristics, an admission control strategy has been proposed.
An interactive AMF (Access and Mobility Function)-RAN (Radio
Access Network) information exchange has been assumed. A
cost function has been derived to quantify resource allocation
decision metric that is valid for both static and dynamic nature
of user and network characteristics. A dynamic intra-slice decision
boundary estimation model has been proposed. A set of
analytical comparative results have been attained in comparison
to the results available in the literature. The results suggest the
proposed resource allocation framework performance is superior
to the existing results in the context of network utility, mean
delay and network grade of service, while providing similar
throughput. The superiority reported is due to soft nature of
the decision metric while reconfiguring slice resource block-size
and boundaries.

Item Type: Conference or Workshop Item (Paper)
Identification Number: https://doi.org/10.1109/VTCSpring.2019.8746625
Date: 29 April 2019
Subjects: G400 Computer Science
Divisions: Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology > Cloud Computing
Depositing User: Adel Aneiba
Date Deposited: 26 Aug 2019 12:54
Last Modified: 26 Aug 2019 13:04
URI: http://www.open-access.bcu.ac.uk/id/eprint/7900

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