Category: NR
What is O1 Interface in Open RAN?
Introduction 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 ensure […]
5G Mobility Scenarios – Handovers
Introduction In a wireless 5G network, when a mobile device (UE) travelling across different sites, it can be either in connected mobility or Idle mode mobility. Considering the two situation’s […]
5G NR Layer 2 – Packet Data Convergence Protocol (PDCP) Overview
Introduction 5G NR PDCP is a Layer 2 protocol and overall functionality is almost same as it was in 4G LTE PDCP. PDCP layer resides between RRC on the upper […]
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 […]
SSC Modes – Session and Service Continuity in 5G
In any telecom technology one of the key feature requirement is data session and service continuity to enusre the uninterrputed service experience to the users irrespective of any change of […]
5G NR SDAP – Service Data Adaptation Protocol
The 5G NR has introduce new mechanism to manage the Quality of Service via QoS flow and to handle QoS flow specifications has introduced a new Sublayer SDAP in air-interface […]
Voice Over NR (VoNR Call Flow)
We are seeing 5G Stand Alone (SA) data services are rolling out throughout the world, it is very much essential for MNOs to provide services such as Voice/Video calls. To […]
5G RAN and 5GC Network Slice Signaling
Network Slicing is considered as one of the key feature by 3GPP in 5G. A network slice can be looked as a logical end-to-end network that can be dynamically created. […]
5G NR Cell Global Identity (NCGI) Planning and Calculations
In 5G, NR Cell Global Identifier (NCGI) is used to identify NR cells globally and similar to ECGI (EUTRA Cell Global Identifier ) in 4G LTE. The NCGI is constructed […]
Cloud RAN Orchestration and Management
The Orchestration and management for Cloud RAN (cRAN) is consist of a suite of Orchestration and OSS systems, including AI/ML advanced analytics systems, to automate the end-to-end service lifecycle starting […]