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Category: 5G Physical Layer

5G SLIV – Start and Length Indicator Value

Introduction In 5G NR, SLIV means Start and Length Indicator Value. It is used for Time domain resource allocation for PDSCH and PUSCH. In SLIV, the letter ‘S’ defines the […]

March 11, 2023March 11, 2023 Author 5G Physical Layer

PDSCH mapping – type A and type B

Introduction PDSCH is Physical Downlink Shared Channel used for User data transfer in 5G. PDSCH is transmitted with DMRS signals. In 5G NR, PDSCH scheduling is defined based on mapping […]

February 23, 2023February 23, 2023 Author 5G Physical Layer

Approaches of Applying Deep Learning in Physical Layer

INTRODUCTION Modern communication systems have performance requirements such as large data volumes, high transmission rates, and fast response speeds, which pose challenges to existing communication technologies. Especially in the processing […]

August 31, 2022August 31, 2022 Author 5G, 5G Physical Layer, Tech Fundas

5G NR SR – Scheduling Request

Introduction SR also known as Scheduling Request is a very famous word for telecom Dev, Test, and Optimization Engineers. It is a Layer 1 (Physical Layer) signal or message sent […]

August 6, 2022August 6, 2022 Author 5G, 5G MAC, 5G MAC Layer, 5G Physical Layer, Call Flow

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

5G NR SINR Measurement and Its Mapping

Introduction SINR is Singal to Interference Noise Ratio is a measure of signal quality. It can be defined as the ratio of  wanted signal strength and the unwanted interference plus […]

December 6, 2021January 6, 2022 Author 3GPP Specification, 5G, 5G NR, 5G Physical Layer

5G NR Resource Allocation – Resource Allocation Type 0

Introduction To transmit and recieved data in downlink and uplink UEs need bandwidth resource allocated and this allocation provided by gNB. In 5G NR, similar to 4G the resource allocation […]

November 21, 2021November 28, 2021 Author 5G, 5G Physical Layer, New Radio, Radio Resource Management, RRC Signalling, Tech Fundas, Wireless Testing

5G Carrier Aggregation – Bandwidth Classes

Carrier Aggregation (CA) increases the bandwidth by combining several carriers. Each aggregated carrier is referred to as a Component Carrier (CC). 5G NR CA supports up to 16 contiguous and […]

October 12, 2021October 12, 2021 Author 5G Network Planning, 5G Physical Layer, Tech Fundas

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

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