Table 1 Link level and system level simulation environment
From: A novel multicast scheme for feedback-based multicast services over wireless networks
Parameter | Value |
|---|---|
UE distribution | Uniform |
Data generation | Full queue |
Number of UE | 30 users |
UE mobility | 3 km/h, 50 km/h |
Cellular layout | Hexagonal grid |
Multi-cell model | 2-tier (19 cells) |
Cell radius | 500 m |
System bandwidth | 1.4 MHz |
Number of resource blocks | 1 |
Transmission Power of eNB | 12 W |
interference calculation [10] | Only users in center cell aresimulated, |
| Â | other eNBs simply act as staticinterference sources. |
Antenna [11] | Single antenna (transmissionmode 1) |
Path loss attenuation coefficient | 3.5 |
Shadow fading model | Log-normal distribution |
Standard deviation | 8.0 dB |
Inter-site correlation | 0.5 |
De-correlation distance | 50 m |
Fast fading model | TU 20 Taps |
Thermal noise | −174 dBm |
Parameter | Value |
Frame length | 1 ms |
Simulation time | 5 s/run, 200 runs |
Required bit for CQI feedback [11] | 4 bits |
Required bit for flag state indicator | 1 bit |
Required bit for joining message | 2 bit |
Target FER constraint | 5% |
The number of successive reception (N) | 38 |