فهرس المقالات RT and NRT Calls حرية الوصول المقاله صفحة الملخص نص كامل 1 - Re-CAC: A Re-Engineered Call Admission Control for LTE Downlink Networks Using Stepwise Bandwidth Degradation Concept Vitalis Onyeke Udora Nwawelu Bonaventure Ekengwu Nnaemeka Asiegbu Benjamin Ezurike Dumtochukwu Oyeka Chukwudi Chukwudozie Chimdalu Okide