Article,

Analysis of LTE Radio Load and User Throughput

, and .
International Journal of Computer Networks & Communications (IJCNC), 9 (6): 33-45 (November 2017)
DOI: 10.5121/ijcnc.2017.9603

Abstract

A recurring topic in LTE radio planning pertains to the maximum acceptable LTE radio interface load, up to which a targeted user data rate can be maintained. We explore this topic by using Queuing Theory elements to express the downlink user throughput as a function of the LTE Physical Resource Block (PRB) utilization. The resulting formulas are expressed in terms of standardized 3GPP KPIs and can be readily evaluated from network performance counters. Examples from live networks are given to illustrate the results, and the suitability of a linear decrease model is quantified upon data from a commercial LTE network.

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