5G NR RRC States
In this chapter we shall have a look at the functionalities of different RRC States. There are 3 RRC states in 5G NR. 1. RRC Connected 2. RRC…
5G NR PDCCH order
PDCCH Order will be initiated by network to trigger a Random Access procedure. This is initiated when there is an upstream loss. When gNB has…
5G NR: Mobile Network Access Procedure
UE access procedure is as below: Step 1: UE is Switched ON Step 2: PLMN Selection PLMN Introduction PLMN stands for Public Land Mobile…
5G NR access process
Cell Search and Cell Selection 1. When a UE is powered on, it searches for a specific frequency according to Synchronization Raster as defined…
5G NR RRC message protection
In this chapter we shall see which RRC messages can be sent: 1. RRC messages can be sent Unprotected prior to AS security activation. 2. RRC…
5G NR UE initial access message content
In this previous chapter we learnt about 5G NR initial access process in brief. In this chapter we shall see the important message contents.…
5G NR UE initial access process
In this chapter we shall learn about 5G NR initial access process in brief. 1. UE sends RRC connection request message to gNB-DU. 2. gNB-DU…
5G NR SRB configuration and NAS and RRC message mapping
SRB are used to carry RRC and NAS messages. There are 4 different types of SRB in 5G NR. SRB0: It is used to transmit RRC messages on the…
5G NR: 5G QoS in detail
QoS introduction 5G QoS model is based on QoS flow in 5G. 5G QoS supports both GBR QoS traffic and non-GBR QoS traffic. QoS flow is the finest…
5G NR: 5G Radio Network Temporary Identifier
Radio Network Temporary Identifiers are applicable within the Radio Access Network (RAN). They are allocated by BS and will be used by both UE…