Technology overview and architecture srini gottumukkala. This page describes 5g network architecture with its elements. The 5g system shall support ue speeds up to 20 ms, even for communication services with ultra low latency and ultra high reliability. Operators transform networks using a network architecture based on data center dc in which all functions and service applications are running on the cloud dc. That is why this deployment option has several limitations that will be explained later. Network slicing characteristics and lifecycle management 22. List the key principles behind the evolving 5g core network sketch the 5g core network, its connectivity to the radio network and interworking with the 4g epc describe the purpose behind servicebased architecture sba describe qos framework of 5g and compare it with 4g step through the network operations of. 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.
Compared with the current 4g lte technology, 5g is targeting to reach both high speed 1 gbps, low power and low latency 1ms or less, for massive iot, tactile internet and robotics. As shown in figure 2, the mme and pcrf serve the control plane because they take only network control. The 5g architecture consists of all rans, aggregator, ip network, nanocore etc. Network architecture vision for 5g and beyond wireless networks. Registration and session setup are discussed along with a look at network slicing. While 5g networks will use standardsbased interfaces and protocols, the optionality built into the 5g system will mean each networks design and architecture may depend on the capabilities and services it is providing.
Ieee 5g and beyond technology roadmap white paper5 finished. These splits are useful to untangle the intrinsic convolution of the current network functions. How can we compare the 4g network architecture to 5g. Pdf this white paper is an outcome of the radio access and spectrum cluster projects funded by the european commission under the. E2e network slicing is a foundation to support diversified 5g services and is key to 5g network architecture evolution. Intelligent beam searching and tracking algorithms are designed to activate the best paths, and handover seamlessly from one 5g small cell to another. Pdf on jul 1, 2016, simone redana and others published view on 5g architecture find, read and cite all the research you need on researchgate. The document covers initial thoughts on sk telecom s 5g architecture, its design, and imp lementation guidelines on how best to build it. Interconnection of 3gpp and non3gpp networks, new 5g use cases with diverse. The nextgeneration mobile network must meet diversified demands. Large format, highresolution screens nearly alwayson. As the modem moves out of range of the 5g wireless network, it is designed to switch to gigabit lte automatically and provide seamless connectivity. In the new exciting era of 5g, new communication requirements pose challenges on existing networks in terms of technologies and business models. For network functions that participate in more than one role, we split each network function into modules such that we get a module for each role.
This research identifies a range of measures to manage risk to 5g networks, including resilient network architecture, access management, testing and monitoring, and cyber security standards. The course is designed for engineers and other staff involved with the architecture, optimisation, management, monitoring or testing of the 5g network. However, these new standards and technologies also pose several challenges to 5g wireless network planning. Viavi empowers service providers and it organizations to manage the network lifecycle for complex 5g and fiber networks with intuitive instruments, systems and technologies. Normally, it is expected that the time period required for the 5g technology development and its implementation is about five years more from now by 2020. The new 5g system architecture and core network must facilitate this service diversity at a reasonable cost. The fifth generation networks 5g is currently under development and will hit the market at the horizon 2020.
But to becoming usable for the common people in developing countries, it could be even more. This page of tutorials section covers 5g tutorial basics which mentions need for 5g wireless, 5g technology features, advantages of 5g and key 5g projects. It further includes functions for the provision of software and service networks, application driven network softwarization, programmability of software networks, dynamic deployment of new network and management services i. System architecture and key technologies for 5g heterogeneous. The findings demonstrate how core and edge functions do remain technically distinct in 5g networks and highlight multiple ways to isolate and localise risks. However, upgradeability is based upon cognitive radio technology that includes various significant. As we know we can not live without modern wireless technologies. In this paper we propose a new design solution for network architecture of future 5g mobile networks. Nov 30, 2017 4g network architecture is essentially a cellular network architecture wherein with the current stage of lte release, 1gbps is the ideal achievable downlink speed and it permits a high speed uplink as well. In this paper, a general probable 5g cellular network architecture is proposed, which shows that d2d, small cell access points, network cloud, and the internet of things can be a part of 5g. The ue connects to the ran via the air interface 3gpp network architecture. Network architecture evolution from 4g to 5g netmanias.
This will ensure the technology meets the needs of future private network customers, will increase their confidence in the roadmap, and will serve to accelerate the deployment of 5g networks by and for enterprises. Introducing 5g networks characteristics and usages. Different issues related to the physical deployment in the access, metro and core networks of the 5g network are discussed in section 5 while in section 6 we present software. Huawei 5g wireless network planning solution white paper 02 new crossgeneration standards in terms of spectrum, new radio, and network architecture have been developed to support a myriad of future 5g application scenarios. Huawei 5g wireless network planning solution white paper. Comparison 1g 2g 3g 4g 5g period 1980 1990 1990 2000 2000 2010 2010 2020 2020 2030 bandwidth 150900mhz 900mhz 100mhz 100mhz x bw pr. System architecture and key technologies for 5g heterogeneous cloud radio access networks mugen peng, senior member, ieee, yong li member, ieee, zhongyuan zhao, and chonggang wang, senior member, ieee abstract compared with the fourth generation 4g cellular systems, the. The proposed design is based on usercentric mobile environment with. Two radio technologies have to be considered in the 5g discussions 2 lte in its rel15 version aka elte in sa2 next generation radio nr plus radio level aggregation of both radio technologies in 2 variants two core network concepts have to be considered in the 5g discussions epc with potential evolutions. We recognize that oss, bss, and how they are integrated with the core 5g system are important parts of 5g architecture design, especially with the trend of emergence of various b2c and b2b. These applications include largefile and realtime data exchange and. Figure three breaks down the major components of 5g networking into user equipment, radio access networks ran, and core network, and shows the market leaders in each area.
Based on nfv and sdn, physical infrastructure of the future network architecture consists of sites and. Architecture of 5g is highly advanced, its network elements and various terminals are characteristically upgraded to afford a new situation. The journal tj 09 andy sutton scalable and optimised 5g service delivery 5g network architecture the 20th december 2017 will be remembered as an important day in telecommunications history as, on this day, during a meeting in lisbon, portugal, 3gpp. In 5g, incumbent vendors have initially pushed to maintain a centralized architecture while improving the radio. Once released, the ieee 5g and beyond technology roadmap will be periodically updated with forecasts for three, five, and 10year horizons. This network architecture, with corresponding vendors, is intended to be high level. New entrants have pushed, since the conceptualization of 5g, for an edge computing architecture, promoting software defined network sdn and network function virtualization nfv.
Likewise, service providers can implement the advance technology to adopt the valueadded services easily. Pdf 5g network architecture sudama jaiswal academia. We will also cover 5g deployment scenarios from the specs as well as some of the informative web resources. The 5g nsa architecture works in masterslave structure, where the 4g access node is the master and 5g access node is the slave. According to what has been released so far, the companys big picture for 5g can be painted as follows. This course takes an indepth look at the 5g ngran architecture and major operations that enable a 5g network to support the target 5g services. The 5g system shall support communication service availability exceeding at least 99. In order to meet this perception the network is designed so as to always make best use of.
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