Tag: 5G
5G NR SINR Measurement and Its Mapping
Introduction SINR is Singal to Interference Noise Ratio is a measure of signal quality. It can be defined as the ratio of wanted signal strength and the unwanted interference plus […]
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 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 […]
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 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. […]
5G NAS – Registration Request
5G NAS Registration Request is a 5GMM Procedure Initaiated by a UE. The network can resond as Registartion Accept in successful case or Registration Reject with specified cause value in […]
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 […]