Open NetSim, Select Examples ->5G NR -> 5G Peak Throughput then click on the tile in the middle panel to load the example as shown in below screenshot
Figure 4‑47: List of scenarios for the example of 5G Peak Throughput
3.5 GHz n78 band#
The following network diagram illustrates, what the NetSim UI displays on clicking.
Figure 4‑48: Network set up for studying the 5G Peak Throughput
Settings done in example config file:
- Set the following property as shown in below given Table 4‑44.
| gNB Properties -> Interface (5G_RAN) | |
|---|---|
| Pathloss Model | None |
| Frequency Range | FR1 |
| CA_Type | SINGLE_BAND |
| CA_Configuration | n78 |
| DL/UL Ratio | 4:1 |
| CA1 | |
| Numerology | 2 |
| Channel Bandwidth | 50 MHz |
| MCS Table | QAM256 |
| CQI Table | TABLE2 |
Table 4‑46: gNB >Interface (5G_RAN) >Physical layer properties
-
The Tx_Antenna_Count was set to 8 and Rx_Antenna_Count was set to 4 in gNB > Interface 5G_RAN > Physical Layer.
-
The Tx_Antenna_Count was set to 4 and Rx_Antenna_Count was set to 8 in UE > Interface 5G_RAN > Physical Layer.
-
Wired link properties set Uplink speed and Downlink speed as 100000 Mbps and BER as 0.
-
Set 2 applications Downlink source node as 10, and destination node as 8, Uplink source node as 8, and destination node as 10. Transport Protocol is set to UDP in all the application.
| Application Properties | |
|---|---|
| App_CBR_UDP_DL | |
| Start Time (s) | 1 |
| Packet Size (Byte) | 1460 |
| Inter Arrival Time (µs) | 2.92 |
| App_CBR_UDP_UL | |
| Start Time (s) | 1 |
| Packet Size (Byte) | 1460 |
| Inter Arrival Time (µs) | 5.84 |
Table 4‑47: Application properties
-
Plots are enabled in NetSim GUI.
-
Run simulation for 1.1 sec. After simulation completes go to metrics window and note down throughput value from application metrics.
Go back to the Scenario and change channel bandwidth to 100 MHz, run simulation for 1.1 sec and note down throughput value from application metrics.
Result:
| Bandwidth (MHz) | Throughput (Mbps) CBR_UDP_UL |
Throughput (Mbps) CBR_UDP_DL |
|---|---|---|
| DL/UL Ratio of 4:1, with 8 DL MIMO and 4 UL MIMO layers | ||
| 50 | 209.07 | 1574.81 |
| 100 | 439.63 | 3319.45 |
Table 4‑48: Results Comparison
26 GHz n258 band#
Settings done in example config file:
- Set the following property as shown in below Table 4‑47.
| gNB Properties -> Interface (5G_RAN) | |
|---|---|
| Pathloss Model | None |
| Frequency Range | FR2 |
| CA_Type | SINGLE_BAND |
| CA_Configuration | n258 |
| DL/UL Ratio | 4:1 |
| CA1 | |
| Numerology | 3 |
| Channel Bandwidth | 200 MHz |
| MCS Table | QAM256 |
| CQI Table | TABLE2 |
Table 4‑49: gNB >Interface (5G_RAN) >Physical layer properties
-
The Tx_Antenna_Count was set to 8 and Rx_Antenna_Count was set to 4 in gNB > Interface 5G_RAN > Physical Layer.
-
The Tx_Antenna_Count was set to 4 and Rx_Antenna_Count was set to 8 in UE > Interface 5G_RAN > Physical Layer.
-
Wired link properties set Uplink speed and Downlink speed as 100000 Mbps and BER as 0.
-
Set 2 applications Downlink source node as 10 destination node as 8, Uplink source node as 8 destination node as 10. Transport Protocol is set to UDP in all the application.
| Application Properties | |
|---|---|
| App_CBR_UDP_DL | |
| Start Time (s) | 1 |
| Packet Size (Byte) | 1460 |
| Inter Arrival Time (µs) | 1 |
| App_CBR_UDP_UL | |
| Start Time (s) | 1 |
| Packet Size (Byte) | 1460 |
| Inter Arrival Time (µs) | 4 |
Table 4‑50: Application properties
-
Plots are enabled in NetSim GUI.
-
Run simulation for 1.1 sec. After simulation completes go to metrics window and note down throughput value from application metrics.
Go back to the Scenario and change channel bandwidth to 400 MHz, run simulation for 1.1 sec and note down throughput value from application metrics.
Result:
| Bandwidth (MHz) | Throughput (Mbps) CBR_UDP_UL |
Throughput (Mbps) CBR_UDP_DL |
|---|---|---|
| DL/UL Ratio of 4:1, with 8 DL MIMO and 4 UL MIMO layers | ||
| 200 | 842.01 | 6195.30 |
| 400 | 1691.38 | 10773.51 |
Table 4‑51: Results Comparison