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Tag: 3GPP Release 15

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 Voice Services Implementation Options

Voice over NR (VoNR): UE camps on NR cell. Voice and data services are transferred via NR. When UE moves to the edge of NR coverage, the voice service is […]

January 1, 2021April 19, 2021 Author Tech Fundas

5G NR RLC – UM Mode Data Transmission

In 5G NR, RLC has 3 different modes of operations TM, UM and AM and each of the mode can transmit and receive data, serving different logical channels as per their requirement. This post provides […]

October 28, 2020September 22, 2021 Author 3GPP Specification, 5G, 5G NR, 5G RLC, 5G RLC Layer, Tech Fundas

5G NR Layer 2 – Radio Link Control (RLC) Overview

5G RLC overall functionality is almost same as LTE RLC. In 5G also, RLC has 3 different modes of operations and each of the mode can transmit and receive data, […]

October 13, 2020October 21, 2020 Author 5G, 5G MAC Layer, 5G NR, NR

5G QoS Architecture, QoS Attribute and QoS Flow

Introduction Quality of service (QoS) refer to the measurement of the overall performance of a service experienced by the users of the network. To quantitatively measure the QoS packet loss, bit […]

September 28, 2020March 5, 2023 Author 5G Core, Call Flow, NAS Signalling, New Radio, NR, Tech Fundas

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

5G NR Stand Alone (SA) Requirement Analysis to Inter-Op with 4G

5G NR deployment option 2 as known as Stand Alone (SA) Architecture where 5G gNB connect to 5G Core network for all signalling and Data sessions. 4G LTE will coexist […]

September 5, 2020September 5, 2020 Author 5G Network Architectures

5G NR Transport Block Size (TBS) Calculation

Transport Block  in 5G NR, is nothing but the payload which is passed between the MAC and Phy Layers, specifically for the shared data channel such as PDSCH and PUSCH. […]

August 16, 2020August 16, 2020 Author 3GPP Specification, 5G MAC Layer, 5G NR, 5G Physical Layer

5G NR Measurement Configuration: Meas Object, Report Config, Meas ID

During UE attach, after a radio bearer is set up, the eNB (in NSA Mode)  or gNB (in SA Mode) delivers measurement configurations to the UE based on the mobility […]

August 12, 2020June 27, 2021 Author 5G, Radio Resource Management, RRC Signalling

5G NR RACH Procedure Overview – CBRA & CFRA

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, In […]

August 5, 2020June 19, 2022 Author 5G, 5G MAC, 5G Network Planning, 5G NR, 5G NR Standalone, 5G Physical Layer, Tech Fundas

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