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Tag: 5G NR

5G SON – Automatic Neighbor Relations – ANR

Introduction In old days, 2G and 3G Cellular systems configurations were based on information from planning tools and drive tests. With the development of 4G LTE, the Service Providers put […]

October 9, 2022October 9, 2022 Author 5G Call Flow, 5G NR, Future Network Optimization, RRC Signalling, Wireless Testing

5G MSG3 – PUSCH Scheduled Transmission by RAR UL grant

Introduction When we want to connect a UE to 5G network, it has to synchronize in downlink as well as in uplink. Downlink synchronization is obtained after successfully decoding SSB, […]

June 24, 2022June 24, 2022 Author 5G, 5G MAC, 5G MAC Layer, 5G NR, Interviews

Radio Link Monitoring in 5G – RLM

Introduction When a UE  is connected to the network, it requires to continuously monitor the Radio link for reliable communication, the process is know as Radio Link Monitoring (RLM). The […]

June 6, 2022June 6, 2022 Author 5G, 5G MAC Layer, 5G NR, 5G Physical Layer, RF Optimisation, RRC Signalling

What are the most common Test Cases for 5G Device Verification?

As per 3GPP specifications, the 5G is design and developed to support three major use cases i.e. eMBB (Enhanced Mobile Broadband), URLLC (Ultra Reliable Low Latency Communication) and mMTC (Massive […]

March 5, 2022March 5, 2022 Author 3GPP Specification, 5G, 5G Call Flow, 5G NR, Test Report, Voice Services, VoLTE, VoNR

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 […]

September 18, 2021September 19, 2021 Author 5G, 5G Call Flow, 5G Physical Layer, Call Flow, RRC Signalling, Tech Fundas, Wireless Testing

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 […]

September 16, 2021November 28, 2021 Author 3GPP Specification, 5G, 5G Call Flow, 5G Core, NAS Signalling, New Radio, NR, Signaling

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 […]

August 9, 2021August 9, 2021 Author 5G, 5G Core, 5G NR, Call Flow, NR

5G NAS Mobility Management – 5GMM

At 5GC, NAS Mobility Management (5GMM) procedures are responsible to keep track whereabouts of the UE, UE authentication and control integrity protection and ciphering. The 5GMM procedures also used by […]

July 27, 2021August 5, 2021 Author 5G Core, Call Flow, NAS Signalling, Open RAN, RRC, Telco Cloud

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 […]

July 11, 2021July 11, 2021 Author 5G, 5G Call Flow, 5G Core, NAS Signalling, Tech Fundas

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 […]

July 6, 2021July 11, 2021 Author 5G, 5G Call Flow, NAS Signalling, Tech Fundas

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