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ON THE RELIABILITY AND SPECTRAL EFFICIENCY OF MULTI-ANTENNA AF RELAY-AIDED NOMA NETWORKS

(Received: 27-Feb.-2026, Revised: 30-Apr.-2026 , Accepted: 4-May-2026)
Hong-Nhu Nguyen , Mui Van Nguyen , Minh Xuan Pham , Sang-Quang Nguyen
#Cooperative non-orthogonal multiple access (NOMA) # Multi-antenna AF relaying # Spatial diversity # Nakagami-k fading # Outage probability # Ergodic capacity
  • Views: 310
  • Downloads: 112
  • DOI: 10.5455/jjcit.71-1772102720
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ON THE EFFECT OF KEYHOLE CHANNEL IN RSMA NETWORKS: A THEORETICAL OUTAGE ANALYSIS

(Received: 20-Feb.-2026, Revised: 16-Apr.-2026 , Accepted: 30-Apr.-2026)
Hong-Nhu Nguyen,Phong-Cuong Ngo
#Keyhole channel #Rate-splitting multiple access (RSMA) #Outage probability #Nakagami-m #Imperfect SIC #Diversity order #Non-orthogonal multiple access (NOMA)
  • Views: 254
  • Downloads: 64
  • DOI: 10.5455/jjcit.71-1771168818
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FIXED-SET LEARNING FOR CLUSTER-HEAD SELECTION IN MULTI-HOP WIRELESS SENSOR NETWORKS

(Received: 16-Feb.-2026, Revised: 7-Apr.-2026 , Accepted: 30-Apr.-2026)
Raouf Ouanis Lakehal Ayat,Salim Bouamama
#Wireless sensor networks #Cluster-head selection #Multi-hop #Fixed Set Search #Metaheuristics #Energy efficiency
  • Views: 420
  • Downloads: 124
  • DOI: 10.5455/jjcit.71-1771255701
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FOUNTAIN CODES-BASED HYBRID SATELLITE TERRESTRIAL RELAY MULTICAST SCHEMES IN CO- CHANNEL INTERFERENCE ENVIRONMENT: OUTAGE ALLOCATIONS

(Received: 1-Feb.-2026, Revised: 2-Apr.-2026 and 29-Apr-2026 , Accepted: 29-Apr.-2026)
Nguyen Van Toan,Nguyen Ngoc Lan,Tran Trung Duy,Pham Ngoc Son,Nguyen Trung Hieu
#Hybrid satellite-terrestrial relay multicast networks #Fountain codes #Co-channel interference #Outage probability #Joint time and power allocation
  • Views: 456
  • Downloads: 127
  • DOI: 10.5455/jjcit.71-1769912165
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