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Category: RRC Signalling

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

5G NR RSRQ Measurements and Its Mapping

The RSRQ (Referece Signal RecivedQuality) is a measurement performed by the UE to know the Quality of recieved Reference Signals. In 5G NR, RSRQ can be measurement for SS-Reference Siganls […]

August 28, 2021September 21, 2021 Author 3GPP Specification, 5G Network Planning, 5G Physical Layer, RF Basics, RRC Signalling

5G SA Handover – Inter gNB-DU and Intra gNB-CU Handover

Mobility (Handover) in an important feature in any telecom generation and so it is in 5G. The basic handover procedure remains same as it was in legacy networks, i.e. UE […]

May 11, 2021October 2, 2021 Author 5G Call Flow, 5G Network Architectures, 5G NR, 5G NR Standalone, Call Flow, New Radio, Open RAN, RRC Signalling, Tech Fundas, Wireless Testing

5G RAN and 5GC Network Slice Signaling

Network Slicing is considered as one of the key feature by 3GPP in 5G.  A network slice can be looked as a logical end-to-end network that can be dynamically created. […]

April 14, 2021June 6, 2021 Author 5G Call Flow, 5G Network Architectures, Cloud Computing, Future Network Optimization, NAS Signalling, NFVI, NR, RRC Signalling, Wireless Testing

5G NR NSA Mode: UE Network and Radio Capability Enquiry

In any wireless system, for accurate, efficient coordination and intercommunication base station must know the all capability about the UE.  The base station enquires the UE Capability and UE report […]

February 22, 2021February 22, 2021 Author 5G, 5G NR, RRC Signalling

5G NR-PDCCH Channel Overview and Processing

The physical downlink control channel (PDCCH) in NR carries Downlink Control Information (DCI). In this post we will understand how PDCCH operates by describing its physical layer structure, and the […]

January 26, 2021January 26, 2021 Author 5G, 5G NR, Call Flow, IoT, RRC Signalling, Wireless Testing

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 […]

January 10, 2021August 28, 2021 Author 5G, 5G Physical Layer, RRC Signalling, Tech Fundas

5G NR SCG Failure and Radio Link Failure

For the purpose of Radio Link Failure (RLF), the UE physical layer monitors the downlink radio link quality of the primary cell for indicating out-of-sync / in-sync status indications to […]

December 21, 2020December 21, 2020 Author 5G, RRC Signalling

5G NR HO Setup: Handover Testing in Cabled Setup

Handover, or handoff in 5G NR or 4G LTE happens when a Data/Voice call is transferred from one cell to the an adjacent cell as the Mobile user moves through […]

December 13, 2020December 13, 2020 Author 5G, 5G Network Architectures, 5G NR, 5G NR Standalone, Interviews, LTE, New Radio, RRC Signalling, Wireless Testing

5G NR NSA Network Access Issues and Possible Root Cause

Many of the operator across the global has started providing 5G services using NSA mode with Option 3.x . In NSA mode the network topology consist of a LTE cell, […]

September 24, 2020September 24, 2020 Author 5G, 5G Network Architectures, 5G Network Planning, Future Network Optimization, RF Optimisation, RRC Signalling, Telco Cloud

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