New Admission Control Policy for a Flexible VoLTE Service

Abstract

LTE is the most recent mobile technology deployed everywhere in the whole wide world. It provides high Downlink and Uplink throughput for all service classes especially for voice class. All the services offered by LTE are based on IMS architecture. The goal of this paper is to present the developed admission control algorithm for VoLTE based on the Load control information and the UE capability in term of the supported voice codec. This developed algorithm has high performance results compared to the existing one that uses only G.711. General TermsPerforming VoLTE quality of services is the goal of our paper.

Comparative of developed VoLTE AC algorithm with existing one using G.711, G.723 and G.729

“…After defining every AREA the AC process is summarized in Figure 3: The Admission control algorithm was performed with C++ in order to evaluate the voice performance and the system load when all new calls use only one of the codec without taking care of the load status provided by Load control entity and with developed algorithm when we divise the EnodeB load into 4 area and the system start rejecting until reaching 95% (Ref: 3,9).…”

“…The goal is to adjust the threshold of presented AC algorithm based on the comparing results in order to sort out the best performance of VoLTE (Ref: 3).…”

A Call Blocking Model and Its Optimal Control Algorithm in LTE Networks

“…The channels that assigned to certain base station are stratifying the minimal call blocking rate, not just setting it to the system maximal value. This case refers to [8,9]. In this case, we also have 8 BSs, and 100 traffic sources.…”