Friday, 14 April 2023

5G:NR Question with Answer

 

Q. What is benefits of SCG split bearer, where data split happens at gNB PDCP and one part of splitted data goes directly to UE and another part of splitted data goes to UE via eNB. Why to take such long route to transfer data to UE via eNB. In Contrast, SCG can directly transfer the data to UE so What is advantage of SCG-Split bearer over SCG bearer?


Q. Why there are 14 symbols in a single slot in NR?























Q. Why do we need SRS in UL for link adaptation and beamforming when there is DMRS already available in UL?
DMRS refers to Demodulation Reference Signal. SRS is a special physical signal for uplink radio channel estimation. Difference from PUSCH DMRS? PUSCH DMRS can be configured only within the resources allocated for PUSCH, but SRS is configured outside of PUSCH even when PUSCH is not transmitted.

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