Table 1 Simulation conditions.

From: Network carrier allocation optimization based on immune algorithm under massive concurrent access

Bandwidth

1 M, 40 subcarriers

Discrete carrier aggregation

25 khz, 50 khz,

100 khz, 200 khz

Terminal height

1.5 m

Business frequency point ratio

Distribution 10%, consumption and acquisition 80%, precision control 10%

Site height

The site is simulated at 30

Number of packets

[0, 50,000]

Data packets

1. Distribution Class: High real-time small data

2. Consumption category: Low real-time small data

3. Precision control category: High real-time big data

Precision negative control 48.1kpbs

2.66 km

Use 2.5kbps

6.92 km

Distribution: 19.2kbps

3.88 km