Category: Tech Fundas
Smartest Document Format – Convert Scanned Documents and Images into Editable
A lot of document types came to our PCs since the opportunity of working on it was discovered by people. You may guess that it’s widely using by everyone, especially […]
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 […]
5GNR 2-Step RACH
In Earlier versions of NR 3GPP Releases i.e. Rel.15, There was only one type of RACH procedure was defined, which is similar to LTE RACH procedure also known as 4-Step […]
Open Midhaul F1 Interface F1-C and F1-U
The F1 interface connects a gNB CU to a gNB DU. This interface is applicable to the CU-DU Split gNB architecture. The control plane of the F1 (F 1-C) allows […]
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 […]
5G Authentication and Key Management 5G-AKA
Secure communication in any cellular network can be achieved with help of AKA procedure. AKA is Authentication and Key Management procedure which involve mutual authentication between User Device and the […]
Open RAN Management Plane (M-plane) for Open Radio Unit
In ORAN, the O-RU management functions to set parameters are done over the M-Plane. The management functions includes O-RU software management, fault management etc. Regarding this, O-RAN fronthaul specifications prescribe […]
O-RAN Interview Questions
In this post, we have put most asked interview questions about Open RAN/O-RAN in various Telecom Companies/Service Provider who are developing Open RAN systems. What is Open RAN, OpenRAN and […]
5G NR SSB Positioning – Time and Frequency Resources
In 5G NR, Synchronization Signal Block (SSB) includes PSS, SSS and PBCH and its location compared to LTE is completed different. In LTE, Sync signal position is straight forward located […]
5G NR SS-RSRP Value Measurement Mapping
UE does measurement of SS-RSRP and use it for cell selection, cell reselection, power control, mobility procedures and beam management procedures. RSRP measurement generated and reported at both Layer 1 […]