Ergodic Sum Rate Analysis in Multi-Hop Uplink NOMA Network with Statistical CSI and Mobile Relays

Key Points

• The ergodic sum rate increases significantly with optimal relay placement, enhancing network performance.
• Simulation results show up to 30% improvement in ergodic sum rate with mobile relays compared to static ones.
• Evaluation involved a rigorous mathematical framework under statistical channel state information conditions.
• Findings underscore the importance of dynamic relay strategies in enhancing network efficiency.