O-ran Architecture

The O-RAN Architecture O-RAN Alliance is aiming at building an Open and Smart Radio Access Network RAN for future wireless systems 4. The O-RAN Reference Architecture is designed to enable next generation RAN infrastructures.

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O-RAN is an evolution of the Next Generation RAN NG-RAN architecture first introduced by the GSMAs 3GPP in their release 15 5G version 1 technical specification TS 38401.

O-ran architecture. The O-RAN architecture is well documented in the O-RAN alliance. O1 Component Architecture According to the O-RAN-OAM-interface specification O1 each MnS Provider ME implements a TLSNetConf interface for Configuration Management and consumes TLSHTTP-POST messages with a json body in VES message format. This section provides an overview of the xRAN architecture.

O-RAN underscores streamlined 5G RAN performance objectives through the common attributes of efficiency intelligence and versatility. A key functional module is the RAN Intelligent Controller RIC. The O-RAN ALLIANCE was created to accelerate the delivery of products that support a common open architecture and standardized interfaces that we as operators view as the foundation of our next-generation wireless infrastructure while ensuring a broad community of suppliers driven by innovation and open market competition.

The management side includes Service Management and Orchestration Framework that contains a Non-RT-RIC function. It is designed with the principles of intelligence and openness the O-RAN architecture is the foundation for building the virtualized RAN on open hardware with embedded AI-powered radio control that has been envisioned by operators around the globe. Radio area network RAN virtualization open interfaces and AI-capable RAN.

6 6 Step by step towards the objectives of Smart Open. RRC SDAP and PDCP are in CU. O-RAN Radio Unit O-RU Reference Architecture.

As before the blue entities are specified by the 3GPP both including functionality provided by blue boxes as well as interfaces like F1 and E1 while orange elements and interfaces are specified by O-RAN Alliance. Disaggregation of RAN element deployment and leveraging multi vendor solutions. The O-RAN alliance architecture principles are.

Lower-PHY and RF are in RU. O-RAN is an evolution of the Next Generation RAN NG-RAN architecture first introduced by the GSMAs 3GPP in their release 15 5G version 1 technical specification TS 38401. In the O-RAN architecture the radio side includes Near-RT RIC O-CU-CP O-CU-UP O-DU and O-RU.

Empowered by principles of intelligence and openness the O-RAN architecture is the foundation for building the virtualized RAN on open hardware and cloud with embedded AI-powered radio control. It starts with a high-level O-RAN architecture and then delves into details of Service Management and Orchestration SMO Non-Real-Time Non-RT RAN Intelligent Controller RIC Near-RT RIC and O-CloudAfter having looked at the O-RAN Alliance approach philosophy timelines and architecture in brief it is time to take a slightly more in-depth look at. The key elements of O-RAN architecture are.

There are several other benefits of O-RAN technology over traditional RANs according to the O-RAN Alliance. Image used courtesy of the O-RAN Alliance. R 255 G 204 B 0 R 255 G 130 B 0 R 127 G 16 B 162 R 168 G 187 B 192 R 104 G 113 B 122 R 216 G 217 B 218 R 0 G 0 B 0 R 255 G 255 B 255 Primary colors.

O-RAN Overall Architecture and Working Group WG Structure. O-RAN Architecture Overview O-RAN SC architecture follows O-RAN Alliance defined architecture. Overall O-RAN Architecture.

Minimization of proprietary hardware and. Lets now focus on the orange interfaces. Introduction The front haul interface according to the ORAN Fronthaul specification performs communication between O-RAN Distributed Unit O-DU and O-RAN Radio Unit O-RU and consists of multiple HW and SW components.

O-RAN reference architecture disaggregates the RAN into RU DU and CU. O-RAN technology is said to allow service providers to speed up 5G network development through its open architecture. Service Management and Orchestration Framework SMO includes an integration fabric and data services for the functions it manages.

Given a lower layer functional split RLC MAC and higher-PHY are in DU. The Radio Unit RU purpose is to convert radio signals sent to and from the antenna to a digital signal that can be transmitted over the fronthaul to Distributed Unit DU. Considering O-RAN Split 7-2 at high level an O.

Moreover user plane UP and control plane CP are disaggregated. An Open Radio Access Network O-RAN is a totally disaggregated approach to deploying mobile fronthaul and midhaul networks built entirely on cloud native principles. It allows managed functions to interoperate and communicate within the O-RAN.

The architecture is based on standards defined by O-RAN ALLIANCE which are fully supporting and complimentary to standards promoted by 3GPP and other industry standards. O-RAN architecture integrates a modular base station software stack on off-the-shelf hardware which allows baseband and radio unit components from discrete suppliers to operate seamlessly together. The O-RAN Architecture.

The O-RAN Alliance formed to undertake the advancement of NG-RAN philosophies expanding on the scope of what was originally outlined by the 3GPP.

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