فهرست مقالات Udora Nwawelu مقاله 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 Journal of Information Systems and Telecommunication (JIST) , شماره 2 , سال 14 , زمستان 2026 مقاله 2 - Adaptive PID and Fuzzy Logic Control for Yaw Attitude in LEO Satellites 10.66224/jist.48337.13.52.266 Stanley E Ajagba Udora N Nwawelu Bonaventure O Ekengwu Nnaemeka C Asiegbu Dumtochukwu O Oyeka Maryrose M Ogbuka Journal of Information Systems and Telecommunication (JIST) , شماره 4 , سال 13 , پاییز 2025