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Delay-based Core Network Placement in Self-Deployable Mobile Networks

Zhiyi Zhang 1 Razvan Stanica 1 Fabrice Valois 1
1 AGORA - ALGorithmes et Optimisation pour Réseaux Autonomes
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : Self-deployable mobile networks represent a new type of cellular networks, that can be rapidly deployed, easily installed, and operated on demand, anywhere, anytime. They can provide network services when a classical cellular network fails, is not suitable, or does not exist. Using network virtualization techniques, core network and base station functions can be colocated together into a single equipment. This brings the network functions closer to the user, but the placement of the local core network has a significant impact on the network performance, mainly in terms of capacity and delay. In this work, we are focused on the delay minimization from BSs to the local core network. We propose a heuristic for the local core network placement, with the objective of reducing the delay. We show that the delay obtained by our solution decreases significantly compared to a strategy that places the local core network in order to maximize the capacity. We also show that considering a capacity-based placement strategy leads to infinite delay in some cases.
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Submitted on : Sunday, March 28, 2021 - 5:20:36 PM
Last modification on : Friday, May 13, 2022 - 3:16:02 PM
Long-term archiving on: : Tuesday, June 29, 2021 - 6:09:02 PM


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Zhiyi Zhang, Razvan Stanica, Fabrice Valois. Delay-based Core Network Placement in Self-Deployable Mobile Networks. WCNC 2021 - IEEE Wireless Communications and Networking Conference, Mar 2021, Nanjing, China. pp.1-6, ⟨10.1109/WCNC49053.2021.9417466⟩. ⟨hal-03183703⟩



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