GDL

Journal from gdlhub / 2021-01-20 15:18:14
By : Anike Uchenna, Ajibo Chinenye Augustine, Chinaeke-Ogbuka Ifeanyi Maryrose, Odo Chinedu Matthew, Amoke Amobi Douglas, Ani Cosmas, Telkomnika
Created : 2021-01-07, with 1 files

Keyword : 3G; CAC; IoTs; QoS; UMTS;
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/13900
Document Source : web

The dynamism associated with quality of service (QoS) requirement for traffic emanating from smarter end users devices founded on the internet of things (IoTs) drive, places a huge demand on modern telecommunication infrastructure. Most telecom networks, currently utilize robust call admission control (CAC) policies to ameliorate this challenge. However, the need for smarter CAC has becomes imperative owing to the sensitivity of traffic currently being supported. In this work, we developed a prioritized CAC algorithm for third Generation (3G) wireless cellular network. Based on the dynamic priority CAC (DP-CAC) model, we proposed an optimal dynamic priority CAC (ODP-CAC) scheme for Universal Mobile Telecommunication System (UMTS). We then carried out simulation under heavy traffic load while also exploiting renegotiation among different call traffic classes. Also, we introduced queuing techniques to enhance the new calls success probability while still maintaining a good handoff failure across the network. Results show that ODP-CAC provides an improved performance with regards to the probability of call drop for new calls, network load utilization and grade of service with average percentage value of 15.7%, 5.4% and 0.35% respectively.

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