International Journal of Innovative Engineering, Technology & Science

Optimization of Handover Performance in LTE Using the TS 36.942 Path Loss Model and Log-Normal Fading
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Optimization of Handover Performance in LTE Using the TS 36.942 Path Loss Model and Log-Normal Fading

Publication Date : 23/06/2021


Author(s) :

Okolie, U. O., Akaneme, S. A. , Nwabueze, C. A.


Volume/Issue :
Volume 4
,
Issue 2
(06 - 2021)



Abstract :

In LTE systems, handovers have to be glitch free and very fast because, unlike earlier mobile communication technologies, it does not support soft handover but instead it supports only hard handover and this makes handover particularly challenging in LTE networks. This research aims to optimise handover in LTE networks using a combination of the TS 36.942 Path Loss model and Log-Normal Fading. This work involves the design and comparative analysis of 3 LTE network scenarios in order to know the one that has the best handover performance. The first scenario uses a combination of COST 231 Path Loss model and Log-Normal Fading. The second scenario uses a combination of TS 25.814 Path Loss model and Log-Normal Fading. The third scenario uses a combination of TS 36.942 Path Loss model and Log-Normal Fading. Except for the Path Loss and Fading combinations, these 3 scenarios have the same features and network environments. These 3 scenarios were modelled and simulated using the LTE system level simulator. The results of the simulation show the quantity of throughput produced by the network in each of the scenarios. On comparing the values of throughput obtained for the 3 scenarios with each other, it would be observed that the highest network throughput occurred in the third scenario which combines the TS 36.942 Path Loss model and Log-Normal Fading, thereby indicating increased handover performance and better communication, therefore this combination optimises handover performance in an LTE network.


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