5G NR Downlink HARQ Codebook
5G Downlink HARQ Codebook In 5G NR, 3GPP specification has defined HARQ Codebook to provide the feedback to base station...
Category: 5G Physical Layer
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...
5G NR SSB Positioning – Time and Frequency Resources
5G Synchronization Signal Block (SSB) In 5G NR, Synchronization Signal Block (SSB) includes PSS, SSS and PBCH and its location...
5G Numerology | Subcarrier Spcaing (SCS)
In LTE, there is only type of numerology or subcarrier spacing (15 KHz), whereas in NR, multiple types of subcarrier...
5G Carrier Aggregation – Bandwidth Classes
Carrier Aggregation Bandwidth Classes Carrier Aggregation (CA) increases the bandwidth by combining several carriers. Each aggregated carrier is referred to...
5G Modulation and Coding Scheme | 5G MCS
5G Modulation and Coding Scheme For any communication technology, Modulation and Coding Scheme (MCS) defines the numbers of useful bits...
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...
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....
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...
Spectral Efficiency | Bits/Second/Hz | 5G-4G
Spectral Efficiency What do you think of when you hear word “spectral efficiency?” The answer will come, it has to...