Category: Tech Fundas
5G VoNR Deployment Strategy for Existing Service Providers
Introduction As 5G network are rolling out, it is very much required for Service Providers to enable basic Voice services. To achieve this, the 3GPP has defined the requirements for […]
5G Carrier Aggregation – Bandwidth Classes
Carrier Aggregation (CA) increases the bandwidth by combining several carriers. Each aggregated carrier is referred to as a Component Carrier (CC). 5G NR CA supports up to 16 contiguous and […]
DevOps – Networking Interview Questions
Networking is an essential skill for DevOps and while setting up a Lab network we need to work with Routers, Switch, hubs, doing IP planning, assigning subnets, traffic sepration using […]
5G NR pdcch-ConfigSIB1 – ControlResourceSetZero & SearchSpaceZero
In 5G, during initial network access, a UE does a completes a band scan for SSB decodes the PBCH. The PBCH provides sufficient information lo allow the UE to proceed […]
5G MAC BSR – Buffer Status Reporting
The Buffer Status reporting (BSR) is a MAC layer procedure which is used by the UE to provide information about the amount of data available for transmission in the UL […]
5G NAS – Authentication Failures Cause Values
In 5G Network, Non-access stratum (NAS) layer managed the PLMN specfic Network Failure and Authentication Failures between the 5G UE and 5G Core. Mutual authentication is a mandatory security procedure […]
5G NAS – Registration Reject Cause
In 5G NR, Registration is a NAS layer or 5G Mobility Management (5GMM) process and it is very much similar to the Attach Process in LTE except some of the […]
5G NAS – PDU Session Reject Cause Values and Reasons
5G connectivity service is named as PDU Session. A PDU session is very similar to an EPS bearer in LTE, except for the QoS model and the supported user data. […]
VoNR with Robust Header Compression (ROHC)
Voice Service in 5G SA, VoNR can use ROHC to compress the headers of voice packets. ROHC helps reduce header overheads of voice packets on radio links, which helps in […]
NGAP – NG Application Protocol over N2 Interface
In the 5G SA, NG interface is designed to interconnect gNB and 5G Core which is similar to S1 interface in 4G LTE connects eNB and EPC. Considering Control and […]