Table 3 Meaning of each parameter of the downlink
Parameter | Meaning | Default value |
|---|---|---|
Body loss | Loss when signal penetrates human body | 0 dB |
UE antenna gain | Receiver antenna gain | 0 dBi |
Base station antenna gain | Transmit antenna gain | 18dBi |
Feeder loss | Loss of all cables and connectors from the set top to the transmitting antenna | 1–4 dB |
Penetration loss | Signal loss through buildings, cars, ships, etc | 10–20 dB |
Shadow fade margin | A method to allow for a certain margin considering the effects of shadow effects | – |
Receiver sensitivity | Lowest level to ensure the receiver can work normally | −106 dBm |
Interference margin | In the actual propagation environment, the signal of the mobile receiver will be affected by its Interference of other signals, the margin value reserved for this purpose is the interference margin the amount | – |
Base station transmit power | Transmitting antenna power | 40 dBm |