Mobility management for vehicular user equipment in LTE/mobile femtocell networks

Raheem, Rand, Lasebae, Aboubaker ORCID: https://orcid.org/0000-0003-2312-9694, Aiash, Mahdi ORCID: https://orcid.org/0000-0002-3984-6244 and Loo, Jonathan (2017) Mobility management for vehicular user equipment in LTE/mobile femtocell networks. International Journal of Information Systems in the Service Sector (IJISSS), 9 (4) . pp. 60-87. ISSN 1935-5688 [Article] (doi:10.4018/IJISSS.2017100105)

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Abstract

Vehicular User Equipment (UE) performance during mobility faces two issues relating to signaling and transmission, namely Handover (HO) and link adaptation. This paper shows that both processes are experiencing degradation during mobility and that vehicular UEs suffer from call drops and loss of connections. Therefore, this work presents an effective technique using Mobile-Femtos to improve vehicular UEs' HO process and link quality. Results show that vehicular UEs attached to a Mobile-Femto achieved better signalling and Link Ergodic capacity and as a consequence the outage probability was reduced. The achieved results indicated that deploying Mobile-Femtos under 25dB Vehicular Penetration Loss (VPL) has improved the vehicular UE Link Ergodic capacity by 1% and reduced the signal outage probability by 1.8% compared to the eNB direct transmission. Consequently, Drop Calls Probability (DCP) and Block Calls Probability (BCP) have been reduced by 7% and 14% respectively compared to the direct transmission from the eNB.

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