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Tag: 5G Core

5G N26 Interface – 5G to 4G Interworking

N26 interface Introduction N26 interface is an interface which interconnects the 5G Core network function AMF with 4G network node MME and enables interworking between 5G to 4G and visa […]

November 29, 2021January 13, 2023 Author 5G, 5G Core, 5G Network Architectures, 5G NR, Call Flow, Interviews, Voice Services, VoNR, Wireless Testing

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.  […]

June 27, 2021June 27, 2021 Author 5G, 5G Call Flow, 5G NR, NAS Signalling, Tech Fundas

5G Identifiers SUPI and SUCI

In telecommunication systems, network operator allocate to each SIM card a unique identifier, known up to the 4G as an IMSI (International Mobile Subscriber Identity) and for the 5G as […]

November 6, 2019July 21, 2020 Author 5G, 5G Network Architectures, Call Flow, Interviews, NAS Signalling, New Radio, NR, RRC Signalling, Security, Signaling, Tech Fundas

5G End to End KPI – Accessibility, Integrity and Utilization

A Key Performance Indicator (KPI) is a measurable value that demonstrates how effectively a network is serving the user. In simple terms we can say KPIs describe the fitness level […]

June 8, 2019July 10, 2020 Author 5G, Cloud Computing, NR, Tech Fundas

5G Key Performance Indicator Definitions Template by 3GPP

3GPP specification TS 28.554 has given a template for end to end KPIs of 5G System. This template is valid for for both NR-Radio Access Network and Core  Network. Below […]

June 8, 2019July 10, 2020 Author 5G, New Radio, NR, Tech Fundas

Hybrid Core Network – 4G Core to 5 G Core Interconnection

Most of the mobile operators who running 4G network and willing to start with 5G network very soon will be thinking on the strategy to migrate from 4G core to […]

February 24, 2019July 10, 2020 Author 5G, Tech Fundas

5G NG Identities (UE and Network Identifiers)

UE Identifiers C-RNTI:This is an unique identification, which is used as an identifier of the RRC Connection and for scheduling purposes Temporary C-RNTI: This identification used for the random access […]

September 20, 2017July 10, 2020 Author 5G
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