5g technology

5G NR RRC State Transitions

5G NR RRC State Transitions 5G NR is supposed to inter-work with the legacy technologies like LTE (E-UTRA), UMTS (UTRA) and GSM/GPRS (GERAN). New Radio has introduced a new RRC state called “RRC INACTIVE” to meet the requirement of 5G services. New RRC Inactive State Characteristics  Maintenance of context information by the UE and the…

5g technology

5G NR RRC Procedure and Its States

The Radio Resource Control (RRC) protocol is used in on the Air Interface. The major functions of the RRC protocol include connection establishment and release functions, broadcast of system information, radio bearer establishment, reconfiguration and release, RRC connection mobility procedures, paging notification and release and outer loop power control.By means of the signaling functions, the RRC configures the user…

5g technology

5G NG Identities (UE and Network Identifiers)

5G NG Identities (UE and Network Identifiers) UE Identifiers C-RNTI: This is a unique identification, which is used as an identifier of the RRC Connection and for scheduling purposes Temporary C-RNTI: This identification used for the random access procedure, Random value for contention resolution: during some transient states, the UE is temporarily identified with a…

5g technology

5G Transport Network Requirement for Indian Telecom By Subrata Sen

5G Transport Network Requirement for Indian Telecom By Subrata Sen There are few people whom we meet and connect instantly. Recently, We met Subrata Sen,  (Head, Fiber/Transport Planning at Bharti Infratel Ltd) and veteran in telecom industry during a conference, we found resonance immediately. During our conversation, we had long discussions about upcoming technologies and how…

5g technology

Deployments Scenarios for 5G NR

Deployments Scenarios for 5G NR NR is capable of working in Non-standalone as well as standalone deployments, the Phase 1 deployment is to be considered as Non-standalone deployments. In terms of cell layout, A 5G NR cell can be deployed in both homogeneous and heterogeneous deployments and be following three cases can be considered. Case…

5g technology

5G Reference Network Architecture

5G Reference Network Architecture In recent meetings, 3GPP comes to an interim agreement for non-roaming 5G reference network architecture. The agreed reference network architecture is shown in figure 1 as per 3GPP TR 23.799. Network nodes and their functions: User Equipment (UE) Next Gen Node Basestation (gNB) Core Access and Mobility Management Function (AMF) – responsible for…