5G NR User Plane Latency

The definition of user plane latency as per 3GPP TR 38.913, is  “the time to successfully deliver an application layer packet/message from the radio protocol L2/L3 SDU entering point to […]

NR Resource Block Definition and RBs Calculation

Resource Block Definition One NR Resource Block (RB) contains 14 symbols in time domain and 12 sub-carriers in frequency domain similar to LTE. In LTE resource block bandwidth is fixed […]

NR Sounding Reference Signal (NR-SRS)

In NR there are two types of Reference Signal in UL which gives information about the channel quality. DMRS:- Demodulation Reference Signal SRS:- Sounding Reference Signal With the help of […]

5G NR Signaling Radio Bearers (SRBs)

SRB stands for Signaling Radio Bearer.”Signalling Radio Bearers” (SRBs) are defined as Radio Bearers (RBs) that are used only for the transmission of RRC and NAS messages. As per 3GPP […]

5G NR Radio Network Temporary Identifier (RNTI)

RNTI stands for Radio Network Temporary Identifier. RNTIs are used to differentiate/identify a connected UE in the cell, a specific radio channel, a group of UEs in case of paging, […]

5G Self Backhaul- Integrated Access and Backhaul

Self-Backhauling Concept Self-backhauling defined as when the access i.e. Base station – Mobile and the backhaul (Base Station to Base Station or Base Station to Core Network) share the same […]

5G NR Bandwidth Part (BWP)

A Bandwidth Part is a contiguous set of physical resource blocks (PRBs) on a given carrier. These RBs are  selected from a contiguous subset of the common resource blocks for […]

5G Cell Phone Architecture

5G cell phones has to be designed to comply either 3GPP New Radio (NR) Release 15 and also need to support legacy radio access technologies . Intial, 5G cell phones […]