• Urban gNB cell radius for different data rates
Urban gNB cell radius for different data rates

Urban gNB cell radius for different data rates#

Open NetSim, Select Examples->5G NR ->gNB cell radius for different data rates then click on the tile in the middle panel to load the example as shown in below screenshot

Figure 4‑59: List of scenarios for the example of gNB cell radius for different data rates

3.5 GHz n78 urban gNB cell radius for different data rates#

The following network diagram illustrates, what the NetSim UI displays on clicking.

Figure 4‑60: Network set up for studying the gNB cell radius for different data rates

Setting done in example config file:

  1. Set the following property as shown in below Table 4‑56.
gNB Properties -> Interface (5G_RAN)
gNB Height 10m
Tx Power 40
CA Type Single Band
CA Configuration n78
DL: UL 4:1
Numerology 2
Channel Bandwidth 50 MHz
MCS Table QAM256
CQI Table TABLE2
Outdoor Scenario Urban Macro
Pathloss Model 3GPPTR38.901-7.4.1
LOS_NLOS Selection 3GPPTR38.901-Table7.4.2-1
Shadow Fading Model None
Fading _and_Beamforming NO_FADING_MIMO_UNIT_GAIN
O2I Building Penetration Model None

Table 4‑56: gNB >Interface (5G_RAN) >Physical layer properties

  1. Set the Tx_Antenna Count as 8 and Rx_Antenna Count as 1 in gNB> Interface 5G_RAN > Physical Layer.

  2. Set the Tx_Antenna Count as 1 and Rx_Antenna Count as 8 in UE> Interface 5G_RAN > Physical Layer.

  3. Set Uplink speed and Downlink speed as 100000 Mbps and BER as 0.

  4. Set the following application properties:

App_1_CBR
Source Id 10
Destination Id 8
Packet Size 1460
IAT 1.94 µs
Start time 1s
Transport Protocol UDP
Generation Rate 6 Gbps

Table 4‑57: Application properties

  1. Plots are enabled in NetSim GUI.

  2. 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 distance between gNB and UE to 100m, 130m, 150m, 170m, 190m, 200m, 300m, 330m, and 350m and run simulation for 1.1 sec.

Result:

Cell Radius (m) Data Rate (Mbps). Downlink
≈1500 Mbps Downlink
100 1574.81
130 1335.72
150 1205.37
≈1000 Mbps Downlink
170 1096.75
190 955.42
200 825.07
≈500 Mbps Downlink
300 499.20
330 412.30
350 303.68

Table 4‑58: Results Comparison

26 GHz n258 urban gNB cell radius for different data rates#

Setting done in example config file:

  1. Set the following property as shown in below given table:
gNB Properties -> Interface (5G_RAN)
gNB Height 10m
Tx Power 40
MCS Table QAM256
CQI Table TABLE2
CA Type Single Band
CA Configuration N258
DL: UL 4:1
Numerology 2
Channel Bandwidth 200 MHz
Outdoor Scenario Urban Macro
Pathloss Model 3GPPTR38.901-7.4.1
LOS_NLOS Selection 3GPPTR38.901-Table7.4.2-1
Shadow Fading Model None
Fading _and_Beamforming NO_FADING_MIMO_UNIT_GAIN
O2I Building Penetration Model None

Table 4‑59: gNB >Interface (5G_RAN) >Physical layer properties

  1. Set the Tx_Antenna Count as 8 and Rx_Antenna Count as 1 in gNB> Interface 5G_RAN > Physical Layer.

  2. Set the Tx_Antenna Count as 1 and Rx_Antenna Count as 8 in UE> Interface 5G_RAN > Physical Layer.

  3. Set Uplink speed and Downlink speed as 100000 Mbps and BER as 0.

  4. Set the following application properties:

App_1_CBR
Source Id 10
Destination Id 8
Packet Size 1460
IAT 1.94 µs
Start time 1s
Transport Protocol UDP
Generation Rate 6 Gbps

Table 4‑60: Application properties

  1. Plots are enabled in NetSim GUI.

  2. 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 distance between gNB and UE to 20m, 110m, and 150m and run simulation for 1.1 sec.

Result:

Cell Radius (m) Data Rate (Mbps). Downlink
≈6000 Mbps Downlink
20 5986.81
≈1000 Mbps Downlink
110 724.86
 ≈ 500 Mbps Downlink
150 298.07

Table 4‑61: Results Comparison