Skip to main content

Table 3 Meaning of each parameter of the downlink

From: Research on TD-LTE wireless communication network propagation model optimization based on visual simulation and GIS

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