How paging are manages in 5g NR ENDC dual connectivity, What is the purpose of Non Zero and Zero CSI-RS. NR Radio Protocol Stack Architecture is almost same as LTE Radio Protocol Stack Architecture. The 5G protocol stack architecture will discussed in detail; in particular differences with 4G, and what are the reasonable function splits in 5G RAN. For the reliable transport of signalling messages, SCTP is added on top of IP. According to different service requirements, fiber/optic cable availability and network resource allocations, RAN real time and non-real time resources can be deployed on the site or on the access cloud side. Watch now. The modulation and demodulation of the signal on the radio interface. Due to exponential increases in mobile data demands in recent years and deployment of 5G networks, soon network densification is considered as a key … Error correction through Hybrid Automatic Repeat reQuest (HARQ). Mobility functions like Handover and context transfer. 5G Service Based Architecture - Protocol Stack 14 15. L3 SA level 5G protocol stack software enabling the base station’s interactions with the mobile operator network core in standalone (SA) mode. The protocol stack for the user-plane transport related to a PDU session is illustrated in Fig. The NG user plane interface (NG-U) is defined between the NG-RAN node and the UPF. target="_blank"> Detection of and recovery from radio link failure. 5G/NR - RAN Architecture Home : www.sharetechnote.com Overall Architecture of NR RAN (Radio Access Network) would not look much ... Theoretically you can split at every layers in the protocol stack. Fig. The course provides a solid technical understanding of the different cellular technologies that are used in the mobile telecommunications industry today. 3. layer 1,layer 2 and layer 3. This architecture model, which further adopts principles lik… The mapping of functions to devices results in different “split options” with regard to which layers of the protocol stack are mapped to which device. Your email address will not be published. The 5G protocol stack architecture will discussed in detail; in particular differences with 4G, and what are the reasonable function splits in 5G RAN. The main functions of NAS are authentication, mobility management and security control. Functions are also same with some added features. Security functions including key management. How UE is Going To Get the SSB configuration in 5G NR? Functions are also same with some added features. The Access Network transports NAS “transparently”. Also, we will discuss the impact and challenges of network densifications in the future 5G deployments. 5G Control Plane Protocol Stack Nsmf, Nsmsf, Namf, Nother all carry upper part of NAS over HTTP/2 multipart message 14. 5G/NR - RAN Architecture Home : www.sharetechnote.com Overall Architecture of NR RAN (Radio Access Network) would not look much ... Theoretically you can split at every layers in the protocol stack. 5G Protocol Stack - User Plane 5G Protocol Stack - Control Plane 5G-NR: Protocol Stack 3GPP has released specification 38.300 V1 this month about NR and NG-RAN Overall Description: Stage 2, This standard comes with the detailed descriptions about 5G NR network and Protocol architecture. Browse: 5G | LTE | LTE-Advanced | VoLTE | IMS | Small Cell | Femtocell | WiMAX | Terms of Use | NgnGuru Solutions | Wiki | About Us | Contact Us, class="statcounter"> Protocol Stack on different interfaces . It also targets at presenting in a harmonized way the architectural concepts developed in various projects and Click here for Initial Access and cell selection call flows in 5G NR Network. PDCP PDU routing in case of split bearers. Understand 5G network architecture and planning; Gain a solid foundation of HetNets and HetNet planning; Understand M2M/IoT technologies and its applications. The main sections are as follow: •5G Architecture Overview •Novel Concepts and Architectural Extensions in 5G •5G RAN Protocol Stacks and NFs •Vertical and Horizontal splits in 5G RAN. The below diagram describes 5G protocol stack mentioning 5G protocol layers mapped with OSI stack. They have proposed about 8 possible options shown in below figure. The NG user plane interface (NG-U) is defined between the NG-RAN node and the UPF. For more info, you can read spec TS 23.501. GPRS Tunnelling Protocol for the user plane (GTP-U) tunnels user data between eNodeB and the S-GW as well as between the S-GW and the P-GW in the backbone network. As shown 5G network uses flat… NR Radio User plane and Control Protocol Stack is shown in below figures: Figure #1 […] 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. Its support for IMS includes also emergency and regulatory services specifics. Let’s see their main functions now. UU User-plane : Radio interface user-plane carries, user Application traffic, which follows UU-U (Above)protocol stack. Save my name, email, and website in this browser for the next time I comment. 5G NR User and control plane protocol stack architecture We will discuss Access Network(AN) and Radio Access Network user and control plane protocol in 5G … Read More. PDCP SDU discard if duplication detected. The transport network layer is built on IP transport. I would not describe much details on each component of the protocol stack in this video. 5G NR NSA ENDC Dual Connectivity Signalling end to end attach Call flow, How to Install libusb-0.1-4 package on Ubuntu or Linux. LTE Protocol Stacks The figures below diagram the key protocol stacks on Uu, S1, and X2 interfaces for both C-plane and U-plane messaging. The 5G layer-2 include MAC, RLC and PDCP.The 5G layer-3 is RRC layer as shown in 5G protocol stack. Compared to previous generations the 3GPP 5G system architecture is service based. So, if you know lte, then it will be easy for you to understand. Mapping between logical channels and transport channels. Functional Architecture AndreaDetti 1 Introduction Before 5G, the design of cellular network architecture was centered on the end users. The application layer signalling protocol is referred to as NGAP (NG Application Protocol). The main sections are as follow: •5G Architecture Overview •Novel Concepts and Architectural Extensions in 5G •5G RAN Protocol Stacks and NFs •Vertical and Horizontal splits in 5G RAN. The figure clearly explains the user plane and control plane protocols. UE cell selection and reselection and control of cell selection and reselection. 1.72. In summary, the 5G protocols contain: Figure 1. Figure 1 : C-plane Protocol Stack: Uu … Basically, the user and control plane protocol stack are almost same as in LTE. How does it all work? 3GPP has defined a Higher Layer Split interface (F1), separating the Central Unit (CU) from the Distributed Unit (DU). Each layer in turn has its own protocols to implement its procedures, such as the protocols for connecting/disconnecting devices to/from the network and for paging devices to deliver notifications of incoming calls and SMS. 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. Establishment, maintenance and release of an RRC connection between the UE and NG RAN. The SCTP layer provides guaranteed delivery of application layer messages. Addition, modification and release of carrier aggregation. While the split between CU and DU is now formally defined by 3GPP, there are a number of split options still to be considered for the DU/RU interface, which we will explore later. How to optimize the cost among different players, Deutsche Telekom, has launched its biggest green initiative yet: Sustainability in 5G award, 3GPP Approves List of Release 17 5G New Radio Features and Functions, 5G Small Cell, Pico Cell Understanding and Planning, LTE Subscription Growth Remains Strong in 2018 as 5G Kicks In, Transformation of CSPs To Access And Service Agnostic Platformers, 5G Front-Edge: Access Agnostic Front-Haul & Load Agnostic Edge, 5G is now: Meeting the 5G NR testing challenges. 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. This page covers 5G Protocol Stack i.e. So, if you know lte, then it will be easy for you to understand. We can share our NR problems that we face everyday and help each other. 1.72. What is ENDC in 5G Technology. User-data is transparent to access nodes like gNB. If you are already familiar with LTE protocol stack or general concept of radio protocol stack, you would not need to spend too much time in reading this page. 5G Network Architecture. This further requires that the service gateway location may also be deployed on the access End of this year first trial will start while commercial deployments using fully compliant equipment will start around 2020. Sequence numbering independent of the one in PDCP (only for Unacknowledged Mode (UM) and Acknowledged Mode (AM)). Multiplexing of MAC SDUs belonging to one or different logical channels into transport blocks (TB) and deliver to the physical layer on transport channels. alt="drupal statistics module" >, Who’s going to pay for 5G? UU Control-plane : in control plane RRC, PDCP, RLC, MAC, PHY get terminated at gNB, but NAS termination … Inter-slice control and cross-domain management, experiment-driven modelling and optimisation, native cloud-enabled protocol stack are innovative enablers for the sliced network. The 5G protocol stack consists of Open Wireless Architecture, lower and upper network layer, open transport protocol and application layer. It discusses the different dual connectivity options and related terminology. Two different protocol … 5G RAN protocol stack. The 5G stage 2 level specifications include the overall architecture model and principles, eMBB data services, subscriber authentication and service usage authorization, application support in general, but also specifically for applications closer to the radio as with edge computing. We will discuss Access Network(AN) and Radio Access Network user and control plane protocol in 5G NR. In this paper we propose new design framework for network architecture of future 5G mobile networks, including protocols and algorithms. 5G NR Radio Protocol Stack (Layer 2 and Layer 3) 3GPP has released specification 38.300 V1 this month about NR and NG-RAN Overall Description: Stage 2, This standard comes with the detailed descriptions about 5G NR network and Protocol architecture. Addition, modification and release of Dual Connectivity in NR or between E UTRA and NR. Network repository functions (NRF) allow every network function to discover the services offered by other network functions. If you are already familiar with LTE protocol stack or general concept of radio protocol stack, you would not need to spend too much time to understand this Layer. These have been explained below with the figures. So, if you know lte, then it will be easy for you to understand. The user plane protocols are PHY, MAC, RLC, PDC and SDAP and the control plane protocols are PHY, MAC, RLC, PDC, RRC and NSA. What is ENDC in 5G Technology ENDC stands for Evolved-Universal Terrestrial Radio Access New Radio Dual Connectivity. Dynamic scheduling to handle Priority between UEs. Above Network functions performed by different 5G Access Network entities. PDCP layer provides services to the upper layers that are, RRC or SDAP and takes few services and inputs from the RLC layer, MAC layer, and PHY layer. With software-defined networking (SDN) and Network Functions Virtualization (NFV) supporting the underlying physical infrastructure, 5G comprehensively cloudifies access, transport, and core networks. 5G NR User and control plane protocol stack architecture. 5G Protocol Stack. Learn how your comment data is processed. SDAP is the only new layer introduced in 5G. We will discuss Access Network(AN) and Radio Access Network user and control plane protocol in 5G NR. End of this year first trial will start while commercial deployments using fully compliant equipment will start around 2020. Above Network functions performed by different 5G Access Network entities. There are thousand of other experts are there to help you. Transfer of upper layer PDUs to MAC through logical channels. The following graphic shows the 4G RAN and core network as compared to the 5G RAN and core. 5G/NR - Radio Protocol Stack Architecture Home : www.sharetechnote.com NR Radio Protocol Stack Architecture is almost same as LTE Radio Protocol Stack Architecture. In the transport, IP layer point-to-point transmission is used to deliver the signalling PDUs. The proposed design is … Provides services to MAC layer in the form of transport channel. 3GPP has released TS 38.300 Rel 15 Ver 3.1.0 about NR and NG-RAN Overall Description: Stage 2, This standard comes with the detailed descriptions about 5G NR network and Protocol architecture. The figure shows the 5G NR protocol stack with the position of the PDCP layer. I would not describe much details on each component of the protocol stack in this video. 5G network architecture Figure-1 depicts 5G network architecture. Open transport layer works as a transport and session layer in the stack. 5G also comprises a next generation core network that is currently in the phase of development and standardization. If you are already familiar with LTE protocol stack or general concept of radio protocol stack, you would not need to spend too much time in reading this page. The protocol stack for the user-plane transport related to a PDU session is illustrated in Fig. Distributed Unit (DU) Provides support for lower layers of the protocol stack. Also, we will discuss the impact and challenges of network densifications in the future 5G deployments. Algorithms and functions that apply upon the 5G protocol stack can improve their performance by exploiting experiment-driven insights and, thus, taking more intelligent decisions. This site uses Akismet to reduce spam. The X2 interface is defined between two neighbour eNBs. The 5G network architecture consists of all RANs, aggregator, IP network,nano core etc. More specifically, the course covers in-depth LTE and LTE Advanced, and provides a holistic understanding of the architecture, protocols, procedures, signalling, security, design principles, Radio Access Network planning and optimisation, Transmission, Transport and Packet Core. 5G NR Radio Protocol Stack (Layer 2 and Layer 3) 3GPP has released specification 38.300 V1 this month about NR and NG-RAN Overall Description: Stage 2, This standard comes with the detailed descriptions about 5G NR network and Protocol architecture. The 5G network architecture consists of all RANs, aggregator, IP network,nano core etc. DL and UL Scheduling information reporting. Mapping between a QoS flow bearers to data radio bearer according to their quality of service requirements. UE measurement reporting and control of the reporting. 5G NR User plane Protocol Stack is shown below : 5G NR Control plane Protocol Stack … The PDU layer corresponds to the PDU that is transported between the UE and the PDN during a PDU session. 5G NR User plane Protocol Stack is shown below : 5G NR Control plane Protocol Stack is shown below : The details on reference architecture for O-RU is available here. NR Radio Protocol Stack Architecture is almost same as LTE Radio Protocol Stack Architecture. 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. The figure shows the 5G NR protocol stack with the position of the PDCP layer. You can also say EPS core New Radio … Read More. Ciphering, deciphering and integrity protection. With the help of the above figure, we can observe how the data flows through various protocol layers of 5G NR stack. Sassan Ahmadi, in 5G NR, 2019. These have been explained below with the figures. User-data is transparent to access nodes like gNB. Similar to 4G (LTE), depending upon the direction of data … Advanced multi-threaded architecture for partitioning across multiple cores Integrated and validated with SmallCellPHY-5G GUI tool for monitoring KPIs and managing gNodeB configurations NFAPI interface; SmallCellSTACK-5G Datasheet. 5G Protocol and Architecture. The 5G protocol stack architecture will discussed in detail; differences with 4G, and what are the reasonable function splits in 5G RAN. 5G Service Based Architecture - Protocol Stack 14 15. 5G Control Plane Protocol Stack Nsmf, Nsmsf, Namf, Nother all carry upper part of NAS over HTTP/2 multipart message 14. Open Distributed Unit (O-DU): The Open Distributed Unit (O-DU) which handles the lower layers of the baseband processing up through the PDCP layer of the protocol stack. NR Radio User plane and Control Protocol Stack is shown in below figures: Figure #1 […] This chapter presents an overview of 5G core (5GC) network and functionalities by presenting the specified logical network nodes which are the standardized building blocks for the 5GC and by giving an example of a signaling flow between the nodes for connection establishment. The figure clearly explains the user plane and control plane protocols. 15 Network Function Service (E.g SMF PDU Session Service) Network Repository Function (NRF) 1. 5G NR Tutorial - Learn the concepts of 5G NR with this tutorial covering all the important topics from Introduction, Specifications, Features, Technology, Architecture, Protocol stack, Advantages, Challenges, Future Scope, and work. The 5G Core (5GC) also updates the IT protocol stack by using Transmission Control Protocol (TCP) as the transport layer protocol in place of Stream Control Transmission Protocol (SCTP), HTTP/2 as a substitute for Diameter protocol for application layer security, and an added TLS layer for encrypted communication between all network functions. We will discuss Access Network(AN) and Radio Access Network user and control plane protocol in 5G NR. The Uu interface represents the interface between the User Equipment (UE) and the Distributed Unit (DU) in the IAB-node, while the F1 interface is used between the IAB DU and the upstream Central Unit … The protocol employed on the N3 and N9 interfaces could be the GPRS Tunnelling Protocol (GTP) with header extensions for 5G, segment routing (SRv6 or NSH) or even an Information Centric Networking (ICN) protocol. 5G network architecture will be designed based on access sites and three-layer DCs. Watch now. How does it all work? L3 NSA level 5G protocol stack software enabling the base station's interactions with the mobile operator network core in non-standalone (NSA) mode and ensuring operation on top of the existing 4G network, which is essential for rapid deployment of 5G networks in the Russian Federation (Certificate issued on December 10, 2020). Sassan Ahmadi, in 5G NR, 2019. TECHNOLOGY FOCUS. Posted on 01. Register NF Service (API URI, API profile) Network Function Service Consumer (E.g SMF, PCF … Basically, the user and control plane protocol stack are almost same as in LTE. GPRS Tunnelling Protocol for the user plane (GTP-U) tunnels user data between eNodeB and the S-GW as well as between the S-GW and the P-GW in the backbone network. It functions as physical layer and data link layer of OSI stack. The main services and functions of NAS are: RRC is the control plane protocol and it’s main services and functions are: This is a user plane protocol only. UU User-plane : Radio interface user-plane carries, user Application traffic, which follows UU-U (Above)protocol stack. SDAP is the only new layer introduced in 5G. For instance, 5G physical layer supports mobile broadband, massive machine type communication, and ultra- reliable and low latency communication for a wide array of devices and applications. 5G Core Reference Point Architecture . The 5G RAN protocol stack. 5G also comprises a next generation core network that is currently in the phase of development and standardization. 1.2.2.3.2 User-Plane Protocol Stacks. This was introduced in 5G NR due to new quality of service handling. 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. Click to view enlarged image. 3GPP has released TS 38.300 Rel 15 Ver 3.1.0 about NR and NG-RAN Overall Description: Stage 2, This standard comes with the detailed descriptions about 5G NR network and Protocol architecture. OWA stands for open wireless architecture layer which works as a physical layer and data link layer of the OSI stack. 5G NR Protocol Stack 5G protocol or NR protocol stack is very much similar to the LTE (4G) protocol stack. The main services and functions of SDAP are: Control plane functions of PDCP sub layer: The main services and functions of the RLC sub layer are: The main services and functions of MAC are: Source for user and control plane protocol in 5G NR: 3gpp release 15. The figure-5 below depicts 5G protocol stack mentioning 5G protocol layers mapped with OSI stack. NG-U provides non-guaranteed delivery of user plane PDUs between the NG-RAN node and the UPF. 5G NG Interface Protocol Architecture. 1.2.2.3.2 User-Plane Protocol Stacks. OWA Layer: OWA layer is the short form of Open Wireless Architecture layer. 5G NR User and control plane protocol stack architecture. Network layer is used to route data from source IP device to destination IP device/stack. Transfer of control plane data to lower layer. 5G protocol stack consists of OWA layer, network layer, open transport layer and application layer. The Figure-1 depicts 5G Protocol Stack consisting of both User Plane and Control Plane protocol layers. 5G NR Radio Protocol Stack (Layer 2 and Layer 3) September 4, 2017 July 10, 2020 Author 5G 3GPP has released specification 38.300 V1 this month about NR and NG-RAN Overall Description: Stage 2, This standard comes with the detailed descriptions about 5G NR network and Protocol architecture. 5G Protocol Stack: The 5G protocol stack is similar to the 4G protocol stack, but has some changes. More specifically, the course covers in-depth LTE and LTE … Broadcast of System Information related to AS and NAS. TECHNOLOGY FOCUS . The PDU layer corresponds to the PDU that is transported between the UE and the PDN during a PDU session. Below is an image of the overall architecture of 5G as per 3GPP specification 3GPP TS 38.300. This figure below shows the control & user plane protocol stack of the X2 interface. Please join our 5G forum and share your knowledge. This figure below shows the control & user plane protocol stack of the X2 interface. Basically, the user and control plane protocol stack are almost same as in LTE. Now let’s turn our focus to the 5G RAN protocol stack to outline the different parts where RAN processing is important. The general structure of CU-DU split architecture is shown in figure above. 5G Network Architecture. Your email address will not be published. LTE Protocol Stacks The figures below diagram the key protocol stacks on Uu, S1, and X2 interfaces for both C-plane and U-plane messaging. Figure 5: Function migration from 4G to 5G . 5G NG Interface Protocol Architecture. Protocol Stack on different interfaces . href="http://www.statcounter.com/drupal/" This means eNB transfers NAS messages without interpretation. The X2 interface is defined between two neighbour eNBs. As an example there can be more than 100 distributed units connected to a specific centralized unit. The 5G protocol stack consists of Open Wireless Architecture, lower and upper network layer, open transport protocol and application layer. Open RAN network architecture is needed to address the specific needs of different mobile operators around the world and it is expected that vendors will interoperate to create customized Open RAN solutions to meet these requirements. 5G/NR - Radio Protocol Stack Architecture Home : www.sharetechnote.com NR Radio Protocol Stack Architecture is almost same as LTE Radio Protocol Stack Architecture. Figure 1 : C-plane Protocol Stack: Uu … The NG user plane interface (NG-U) is defined between the NG-RAN node and the UPF. Required fields are marked *. Further away from previous generations, 5G network has introduced major changes in the protocol stack and system architectures. Mar, 2019 by Pankaj in 5G, NG Interface, NG-C, NG-U. There can be multiple DU connected to each Centralized Unit (CU). PDCP layer provides services to the upper layers that are, RRC or SDAP and takes few services and inputs from the RLC layer, MAC layer, and PHY layer. 5G network architecture Figure-1 depicts 5G network architecture. The NG control plane interface (NG-C) is defined between the NG-RAN node and the AMF. If you are already familiar with LTE protocol stack or general concept of radio protocol stack, you would not need to spend too much time to understand this Layer.