What are the measurement events in LTE?
LTE Measurement Report Trigger (EVENT for Measurement Report)
| Event Type | Description |
|---|---|
| Event A2 | Serving becomes worse than threshold |
| Event A3 | Neighbour becomes offset better than serving |
| Event A4 | Neighbour becomes better than threshold |
| Event A5 | Serving becomes worse than threshold1 and neighbour becomes better than threshold2 |
What is measurement in LTE?
In LTE network, a UE measures two parameters on reference signal: RSRP (Reference Signal Received Power) and RSRQ (Reference Signal Received Quality).
What is B1 measurement in LTE?
LTE Event B1 is triggered when a neighboring inter-RAT cell becomes better than a threshold.
What is measurement report?
Measurement reports are values reported from the MS that contain information about channel quality. Measurement reports assist the network in making handover and power control decisions.
What is paging in LTE?
Paging in LTE network is used to inform and notify UE about various events. The propose of paging procedure is: To transmit paging information to a UE in RRC_IDLE state. To inform UEs in RRC_IDLE and UEs in RRC_CONNECTED state about a system information change.
What is RSRP and Rsrq in LTE?
RSRP – The average power received from a single Reference signal, and Its typical range is around -44dbm (good) to -140dbm(bad). RSRQ – Indicates quality of the received signal, and its range is typically -19.5dB(bad) to -3dB (good).
What is B2 measurement?
Event B2 is triggered when a primary serving cell becomes worse than threshold1, while a neighbor inter-RAT cell becomes better than threshold2. This can be used to trigger inter-RAT mobility procedures when the primary serving cell becomes weak.
What is offset and hysteresis in LTE?
Offset: this parameter is for serving cell should be better than neighbour cells before going to send measurement report, ensure that serving cell power should be good than neighbours. Hysteresis: this is for Neighboring cell should be better than serving.
What is SGW and PGW?
MME stands for Mobility Management Entity, PGW stands for PDN gateway and SGW stands for Serving Gateway. The figure depicts LTE EPS architecture. In the figure, UE refers to User Equipment. It is the mobile phone device used to access the LTE network.