In normal case HARQ re- transmission will be 4 in UL, But What should be the ideal value if TTI bundling is enabled?
RAR includes UL grant, but this doesn't denotes the HARQ process ID, which one will be used in 5G?
If ENB detects it as NACK then How UE re transmit in TTI bundling. What is the RTT time for TTI bundling. What RV should UE use for TTI bundling re transmission .,