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Category: NR

5G NR Layer 2 – Packet Data Convergence Protocol (PDCP) Overview

Introduction 5G NR PDCP is a Layer 2 protocol and overall functionality is almost same as it was in 4G LTE PDCP. PDCP layer resides between RRC on the upper […]

January 5, 2022January 5, 2022 Author 3GPP Specification, 5G, 5G MAC, 5G NR, 5G RLC Layer, NR

5G NR System Information Block Type 8 -SIB8

System Information is downlink broadcast information transmitted periodically by base station. SIB#8 is used to provide a Commercial Mobile Alert Service (CMAS) notification. CMAS is used as Public Warning System […]

December 27, 2021December 27, 2021 Author 3GPP Specification, 5G, 5G NR, 5G NR Standalone, NR, RRC Signalling

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

Voice Over NR (VoNR Call Flow)

We are seeing 5G Stand Alone (SA) data services are rolling out throughout the world, it is very much essential for MNOs to provide services such as Voice/Video calls. To […]

April 19, 2021April 25, 2021 Author 5G Call Flow, 5G Core, 5G Network Architectures, Call Flow, NAS Signalling, New Radio, NR, Signaling, Tech Fundas, Voice Services

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 Cell Global Identity (NCGI) Planning and Calculations

In 5G, NR Cell Global Identifier (NCGI) is used to identify NR cells globally and similar to ECGI (EUTRA Cell Global Identifier ) in 4G LTE. The NCGI is constructed […]

March 28, 2021March 28, 2021 Author 5G, 5G Network Planning, 5G NR, 5G NR Standalone, NR, Tech Fundas, Wireless Testing

Cloud RAN Orchestration and Management

The Orchestration and management for Cloud RAN (cRAN) is consist of a suite of Orchestration and OSS systems, including AI/ML advanced analytics systems, to automate the end-to-end service lifecycle starting […]

January 16, 2021January 17, 2021 Author 5G, NR, Open RAN, Telco Cloud

Open RAN Integration – Where We Today

Open RAN is being deployed by multiple Service Providers around the world. These deployment are large scale deployments in some of the largest countries in the world. In Open RAN […]

November 7, 2020November 7, 2020 Author 3GPP Specification, Cloud Computing, NR, Open RAN, Tech Fundas, Telco Cloud

O-RAN Distributed Unit (O-DU) Reference Architecture

The O-RAN or Open Distributed Unit (O-DU) is a commercial off-the-shelf (COTS) edge servers that can function as  baseband processing unit to handles high PHY layer, MAC and RLC layer […]

November 3, 2020November 3, 2020 Author 3GPP Specification, 5G, NR, Open RAN, Tech Fundas

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