Category: New Radio
5G NR Interfaces X2/Xn, S1/NG, F1 and E1 Functions
In LTE networks, X2 and S1 interface are defined as an interfaces between RAN nodes and between RAN and Core Network. 5G is expect to operate in two modes as […]
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 BWP Types and BWP Operations
In 5G New Radio the cell bandwidth is expected to be large compared to LTE, but a UE’s receive and transmit bandwidth is not necessarily required to be same as […]
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 NR Logical Channels,Transport Channels and Physical Channels Mapping
Logical Channel Definition : Medium Access Control (MAC) Layer of NR provides services to the Radio Link Control (RLC) Layer in the form of logical channels. A logical channel is […]
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 NR Reference Signals (DMRS, PTRS,SRS and CSI-RS)
To increase protocol efficiency, and to keep transmissions contained within a slot or beam without having to depend on other slots and beams, NR introduces the following four main reference […]