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Tag: 5G Access

5G ORAN Network Architecture Elements

ORAN Introduction ORAN network architecture is needed to address the specific needs of different mobile operators around the world and it is expected that vendors will interoperate to create customized […]

October 18, 2020January 14, 2023 Author 5G Network Architectures, Cloud Computing, Open RAN, Telco Cloud

5G NR Dual Active Protocol Stack (DAPS) Handover – 3GPP Release 16

3GPP Definition: As per 3GPP TS 38.300 DAPS Handover can be defined as a handover procedure that maintains the source gNB connection after reception of RRC message (HO Command) for […]

October 7, 2020October 12, 2020 Author 5G 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

3GPP Evolution for MIMO

Released 3GPP standards on MIMO are shown in below image. As you know, Coordinated Multipoint (CoMP) is a type of Cooperative MIMO, in which data and channel state information (CSI) are […]

September 20, 2020November 5, 2020 Author 3GPP Specification, 5G, 5G Network Planning, 5G NR, 5G Physical Layer, NR, RF Optimisation

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

5G NR – Msg2 Random Access Response (RAR) – SA Mode

In 5G NR,  the initial access include down-link synchronisation and up-link synchronisation procedures. Downlink synchronisation can be achieved after decoding Minimum System Information (SSB-MIB) and Remaining System Inforatmion (RMSI- SIB […]

June 28, 2020February 21, 2021 Author 5G MAC Layer, 5G NR, 5G NR Standalone, Call Flow, NR, RRC Signalling

5G NR RSRP Measurement Report Mapping

In 5G NR, RSRP measurement is performed and reported at Layer 1 (Physical Layer) and Layer 3 (RRC Layer). For example,  5G capable device can provide SS-RSRP measurements at Layer […]

June 3, 2020June 3, 2020 Author 5G, 5G Network Architectures, 5G Network Planning, 5G Physical Layer, Call Flow, LTE, New Radio, Radio Resource Management, RF Basics, RRC, RRC Signalling, Tech Fundas

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