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The Power of Mobility Prediction in Reducing Idle-State Signalling in Cellular Systems: A Revisit to 4G Mobility Management

Hoseinitabatabei, Seyed Amir, Mohamed, Abdelrahim, Hassanpour, Masoud and Tafazolli, Rahim (2020) The Power of Mobility Prediction in Reducing Idle-State Signalling in Cellular Systems: A Revisit to 4G Mobility Management IEEE Transactions on Wireless Communications.

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Abstract

Conventional mobility management schemes tend to hit the core network with increased signaling load when the cell size is shrinking and the user mobility speed increases. To mitigate this problem research community has proposed various intelligent mobility management schemes that take advantage of the predictability of the users mobility pattern. However, most of the proposed solutions are only focused on signaling of the active-state (i.e., handover signaling) and proposals on improvement of the idle-state signaling has been limited and were not well received from the industrial practitioners. This paper first surveys the major shortcomings of the existing proposals for the idle mode mobility management and then proposes a new architecture, namely predictive mobility management (PrMM) to mitigate the identified challenges. An analytical framework is developed and a closed form solution for the expected signaling overhead of the PrMM is presented. The results of numerical evaluations confirm that, depending on user mobility and network configuration, the PrMM efficiency can surpass the long term evolution (LTE) 4G signaling scheme by over 90%. Analysis of the results shows that the best performance is achieved at highly dense paging areas and lower cell crossing rates.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Hoseinitabatabei, Seyed Amir
Mohamed, Abdelrahim
Hassanpour, Masoud
Tafazolli, RahimR.Tafazolli@surrey.ac.uk
Date : 27 January 2020
Depositing User : James Marshall
Date Deposited : 03 Feb 2020 14:54
Last Modified : 03 Feb 2020 14:54
URI: http://epubs.surrey.ac.uk/id/eprint/853557

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