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9 British Telecommunications plc 2017 5G RAN architecture - DU co-located with RF DUAAU* CU F1 interfaceF2 interface *AAU illustrated, actual implementation could be AAU or passive antenna with RRU Cell site – DU co-located Centralised aggregation site CPRI / eCPRI Option 2 split - IP TNL / Ethernet 11. Engineers and operators are now faced with a variety of technologies coexisting in the same network, including cutting-edge, current and legacy technologies. 10 British Telecommunications plc 2017 Latency requirements DUAAU IPSec CU F2 interface … Reply. Now one of the popular interfaces in 5G RAN is between RU and DU in 5G fronthaul architecture. We will also cover 5G deployment scenarios from the specs as well as some of the informative web resources. The new 5GC architecture called as Service-Based Architecture (SBA), is built using IT network principles and cloud native technology. According to 3GPP TR38.801, the typical baseband (BBU) unit of LTE, in 5G NR is now split into the Central Unit (CU), and the Distributed Unit (DU). prasanna says: February 12, 2020 at 12:41 pm Thanks. This article provides a comprehensive overview of the 5G RAN design guidelines, key design considerations, and functional innovations as identified and developed by key players in the field. From that it was born a new core network 3GPP standard and architecture known as 5G Core (5GC). It was designed to be the global standard for the air interface of 5G networks. It is like a point-point interface between two network elements e.g. Reply. Appearing in the second specification iteration of 5G, or release 16 in 3GPP parlance, the Service Communication Proxy (SCP) was defined within TS23.501 - System architecture for the 5G System. The 5G network functional application platform interface (5G nFAPI) is an initiative that extends for 5G the functional split between the MAC and PHY functions that enables virtualization of the MAC function, as identified by the study undertaken by the Small Cell Forum; this virtualization is already enabled for 4G via 4G-nFAPI. 5G technology will introduce advances throughout network architecture. 5G services will increasingly depend on Precision Time Protocol (PTP) for resiliency and deterministic timing throughout the network. The following shows the high-level architecture of a 5G System (5GS) described in 3GPP TS 23.501 5G System Architecture specification: ... QoS Rule to UE via AMF and gNB over the N1 interface; The following shows the various QoS constructs that are sent to UE, gNB and UPF for establishing a QoS Flow: QoS Flow Setup with N1, N2, and N4 messages with QoS constructs from SMF. Laut 3GPP nutzt das 5G-Core-Netz eine cloudorientierte, servicebasierte Architektur (SBA), die alle Funktionen und Interaktionen von 5G, einschließlich Authentifikation, Sicherheit, Sitzungsmanagement und Aggregation des Verkehrs von den Endgeräten, … 5G Fronthaul Architecture | Time Sensitive Networking. 5G NR gNB Logical Architecture and Its Functional Splits; 5G NR Interfaces X2/Xn, S1/NG, F1 and E1 Functions; 5G Channel Modes: Requirements and Deployment Scenarios; 5G Self Backhaul- Integrated Access and Backhaul; 5G Transport Network Requirement for Indian Telecom; Tagged 4G 5G Core Inter connection 5G 5G Access 5G NR Interfaces F1 and E1 F1 and E1 Interface New Radio S1/NG S1/NG Interface … Chapter 6 Radio-Interface Architecture Abstract This chapter described the overall NR architecture. And it can be hard at the best of times to navigate this new and complex reality. 5G radio access network architecture – design guidelines and key considerations. 5G could be a totally a new thing at the radio resource access layer or it could be again evolution from LTE advanced 4G. The NG user plane interface (NG-U) is defined between the NG-RAN node and the UPF. The N1, N2 and N3 5G reference interfaces are mandatory requirements on an AGF implementation, along with the V (or Va) interface to the wireline access network (wAN), defined within BBF’s TR-178 - Multi-service Broadband Network Architecture and Nodal Requirements. If the UE, gNB … Nupf: Service Based Interface for N4 PCE: Path Computation Entity SMP: Service Messaging Platform SR: Service Router UPS: User Plane Services . Figure 2. This paper will provide a simplified view of 5G automation architecture by focusing on per-domain and cross-domain automation and orchestration, while taking into consideration 5G components such as Cloud-RAN, Control User-Plane Separation Die 5G-Core-Netzwerkarchitektur ist das Herzstück der neuen 5G-Spezifikation und ermöglicht den von 5G geforderten höheren Durchsatz. The logical 4G/5G RAN architecture. The overall … - Selection from 5G NR: The Next Generation Wireless Access Technology [Book] prasanna says: February 12, 2020 at 12:41 pm Thanks. 5G by its nature spans many domains beyond mobility and requires a transformation unseen so far. The 3GPP specification 38 series provides the technical details behind NR, the RAT beyond LTE.. Study of NR within 3GPP started in 2015, and the first specification was made available by the … Keywords: 5G, REST, application programming interfaces, 3GPP, service based architecture, SBA, northboundAPIs, NAPS, HTTP. Key functions of the new 5G Core are Network Function Virtualization, Network Slicing, Multi-Tenancy and Multi-Connectivity. RU and DU functions are described as below. Well till now the architecture of 5G is not standardized. 5G E-UTRAN New Radio Dual Connectivity (EN-DC) architecture is the leading 5G architecture for the support of the initial 5G Enhanced Mobile Broadband (eMBB) services. 5G PPP Architecture Working Group View on 5G Architecture Version for public consultation, updated version available on July 1st 2016 Page 5 / 60 MEF Metro Ethernet Forum MSMP Multi-Service Management Plane NGFI Next Generation Radio Interface NG-PON2 Next Generation PON Technology based on WDM and TDMA Reply. 5G NR SA architecture and interfaces are similar to LTE. DIfferent alternatives for connecting the NR RAN to the core netwrok (EPC or 5GCN) are discussed. 5G Core Architecture models. The course covers the architectural layout using Network Functions and the newly-defined network nodes in the 5G Core Network (5GC). 3GPP defines that 5G Core Network to have a decomposed network architecture with the introduction of a service-based interface (SBI) using HTTP/2 as a baseline communication protocol, and control plane and user plane separation .This decomposition, SBI, and CUPS of 5G network function software strongly favoured cloud-native container-based implementation. This architecture of 5G satellite segment is … 5G services will once again be IMS based, but using a new Quality of Service Architecture. N4 Interface: This interface is between SMF and UPF, ... 5 Replies to “5G Network Architecture” prabhat dube says: February 9, 2020 at 5:13 am nice article. 3GPP specified and presents both versions of 5G system architectures: Reference Point System Architecture; Service Based System Architecture ; A reference point representation, shows the interaction exist between network elements by point-to-point reference point. The 5G Core Network has been designed around services that are invoked using a standard API. 1 Introduction 5G aims to become the global connectivity enabler and service platform for a broad variety of industries in the upcoming decade and beyond. Carriers around the globe are now pushing forward with 5G deployments. 5G fronthaul architecture. It is being developed from the ground up in order to support the wide variety of services, devices and deployments 5G will encompass, and across diverse spectrum, but it will build on established technologies to ensure backwards and forwards compatibility. In principle, there are no significant differences regarding protocols and interfaces to the standard LTE architecture, since S1 and X2 interfaces are used. Posted on 01. This CU/DU split will help to adopt a flexible architecture with various deployment scenarios, meet 5G latency demands, and reduce the overall fronthaul capacity needs. 5G New Radio, the global standard for a more capable 5G wireless air interface, will cover spectrums not used in 4G. 5G Radio Research #NAP #RAN #5gradioaccess #5gnetworks. 5G network FAPI specifications . New antennas will incorporate technology known as massive MIMO (multiple input, multiple output), which enables multiple transmitters and receivers to transfer more data at the same time. The interface towards billing systems is still based on the legacy ASN.1 syntax and has not been updated to the new Service Based Architecture, only the new information needed to support 5G charging. Compared to previous generations the 3GPP 5G system architecture is service based. 5G NR (New Radio) is a new radio access technology (RAT) developed by 3GPP for the 5G (fifth generation) mobile network. It’s the sort of function that is born of necessity. Research paper. As Open RAN architectures gain momentum and are adopted for 5G deployments, the PTP timing flows will be terminated in the 5G radios and the DU is no longer required to be part of the timing chain form the Grandmaster Clock to the 5G radio. In this whitepaper, we will take a closer look at the new virtualized 5G RAN, the O-RAN Alliance architecture and open fronthaul interfaces as well as an overview of the O-RAN O-RU whitebox solution. Mar, 2019 by Pankaj in 5G, NG Interface, NG-C, NG-U. The external interfaces of the RAN domain (except to the OSS) are standardized under 3GPP, as is the functional behavior of the RAN domain as a whole. The 5G Architecture Working Group as part of the 5GPPP Initiative is looking at capturing novel trends and key technological enablers for the realization of the 5G architecture. That means wherever suitable the architecture elements are defined as network functions that offer their services via interfaces of a common framework to any network functions that are permitted to make use of these provided services. on N3/N9 interface) are delivered to the application stack over the same RX queue and processed by the same application thread bound to the CPU core ensuring packet buffers and flow-related control structures are not shared between cores. Prabhatkumar Durgesh says: February 9, 2020 at 5:14 am nice article. 5G New Radio (5G NR) is a completely new air interface being developed for 5G. Architecture 5G base station gNB with F1-satellite interface. In this new architecture each Network Function (NF) offers one or more services to other NFs via Application Programming Interfaces (API). In this second part of "15 Mins with 5G" we will start looking at the 3GPP specifications for 5G network architecture and learn how to refer the specs. The transport network layer is built on IP transport and GTP-U is used on top of UDP/IP to carry the user plane PDUs between the NG-RAN node and the UPF. 5G NG Interface Protocol Architecture. 5G is upon us and with it an updated functional architecture and a whole host of new interfaces, protocols and capabilities. - Identify high-level requirements or guidelines on Service-based architecture design in 5G including network function, interface/protocol, API design principle; - Investigate how operators can leverage Service-based architecture in 5G in the best way, e.g., customized network slicing, updating and managing network feature dynamically. Figure 2 Logical ubiquitous charging architecture and information flows for 5G systems – service based interface. 5G Virtual RAN overview. Reply. Next options of bent-pipe architecture of 5G satellite segment has used for retranslation NG1 and NG2 interfaces, which connecting 5G base stations gNBs to 5G core. 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