Category: RRC Signalling
5G SON – Automatic Neighbor Relations – ANR
Introduction In old days, 2G and 3G Cellular systems configurations were based on information from planning tools and drive tests. With the development of 4G LTE, the Service Providers put […]
What is O1 Interface in Open RAN?
O1 Interface The O1 Interface is a logical connection between all “O-RAN Managed Elements (MEs)” and the “management entities” within the SMO framework. The purpose of O1 interface is to […]
Radio Link Monitoring in 5G – RLM
Introduction When a UE is connected to the network, it requires to continuously monitor the Radio link for reliable communication, the process is know as Radio Link Monitoring (RLM). The […]
X2 Handover Call Flow in 4G LTE
Introduction In handover process a UE sessions are transferred from the current serving cell to another one while it is moving towards a neighbor cell and UE ends up with […]
5G NR System Information Block Type 8 -SIB8
System Information is downlink broadcast information transmitted periodically by base station. SIB#8 is used to provide a Commercial Mobile Alert Service (CMAS) notification. CMAS is used as Public Warning System […]
5G EPS Fallback – 5G to 4G Handover
Introduction A Network Operator providing 5G NR and 4G LTE service, but it may not be possible to have 5G coverage everywhere and at some point when 5G coverage or […]
5G NR Resource Allocation – Resource Allocation Type 0
Introduction To transmit and recieved data in downlink and uplink UEs need bandwidth resource allocated and this allocation provided by gNB. In 5G NR, similar to 4G the resource allocation […]
5G SA Inter gNB Handover – N2 or NGAP Handover
Introduction Mobility (Handover) in an important feature in any telecom generation and so it is in 5G. The basic handover procedure remains same as it was in legacy networks, i.e. UE reports measurement report with […]
5G NAS and RRC Signalling Parameters for Voice Support
Introduction Voice Service support is always critical for any network. A user can initiate a Voice Call for normal conversation or for emergency support. In 5G there are multiple ways […]
5G SA Inter gNB Handover – Xn Handover
Introduction Mobility (Handover) in an important feature in any telecom generation and so it is in 5G. The basic handover procedure remains same as it was in legacy networks, i.e. UE reports measurement report with […]