4g cellular network architecture pdf

This document provides a brief overview of the lte network architecture as the first technical document of lte area. A 4g system must provide capabilities defined by itu in imt advanced. The paper starts with a discussion about interworking between lte and 5g then explores. Comparision of 3g wireless networks and 4g wireless. Architecture of the gsm system several providers setup mobile networks following the gsm standard within each country components oms mobile station obs base station. But there are few specific user applications that require very. Lte stands for long term evolution and it was started as a project in 2004 by telecommunication body known as the third generation partnership project 3gpp. The convergence of telecommunications, computing, and content industries has been one of the major trends during recent years.

The highlevel network architecture of lte is comprised of following three main components. Thus, minimizing the required transmitting power of a bs is an effective way to reduce the energy consumption of the bs, which is a major energy consumer in cellular networks. Lte 4g network architecture lte core network mobile. Vmbased lte cellular network architecture with multiple virtualized mmes and. A usim stores userspecific data very similar to 3g sim card. Another deployment option is the mobile virtual network operator mvno model. Thesis a thesis submitted for the degree of industrial doctor of philosophy of the technical university of denmark, department of photonics engineering, kgs. Cellular network organization use multiple lowpower transmitters 100 w or less. What scenarios is fitful for shared service chain of fixed and mobile network 2. Irving2,b 1 department of computer science, federal university lafia, nasarawa state, nigeria.

While many 4g assets can be reused, it will not be sufficient to overlay 5g on a 4g backhaul architecture, and even where an operator has deployed an advanced cran architecture, new investment is required to meet 5g requirements. Lte consists of a net bit rate capacity of approximately 100 mbits in the downlink and 50 mbits in the uplink if a 20 mhz channel. The network operators worldwide would be able to deploy wireless mesh networks and make use of cognitive radio technology for widespread coverage and access. An analysis of spectrum allocation, software radio architectures and interfacing technology christian f. A nextgeneration core network architecture for mobile. Kalle ikkela, marko myllynen, juha heinanen and olli martikainen. Newer phones are dualband, tripleband, and even quadband capable. The difference between 3g and 4g technology is based on technology compliance, data transfer rate, capacity, ip architecture and number of connections, etc. In this situation, the enterprise has a direct contract with the service provider and terminates the lte sessions from its users on their controlled mobile core network. This video shows the detailed information about how the cellular network works in 2g. Cellular networks northeastern university college of. Evolutionary analysis of gsm, umts and lte mobile network architectures paschal a.

The phone must be able to operate on a cellular network. The primary focus and reason for needing an upgraded. With softwaredefined networking sdn and network functions virtualization nfv supporting the underlying physical infrastructure, 5g comprehensively cloudifies access, transport, and core networks. Increased bandwidth endtoend ip simplified architecture. Fmc network architecture in 5g unic unified network integrating cloud yachen wang china mobile. The convergence has led to the creation of a wide range of multimedia services that are available in digital form through.

Potential and current applications include amended mobile web access, ip telephony, gaming services, highdefinition mobile tv, video conferencing, and 3d television the firstrelease long term evolution lte standard was commercially. Within the architecture, if the destination client experiences poor channel quality, the. A study on third generation mobile technology 3g and. It based on the original 3g technologies having the ability to reach the speed up to 100 mbits with a muchreduced latency. This paper explores the network architecture of 4g 4th generation and lte long term evolution wireless technologies, the mobile standards used by these technologies and key features. The first precommercial 3g network branded as foma launched in may 2001, by ntt docomo in japan. When the 3g was introduced, cell phone users were finally able to talk and access data at the same time and with higher data rates. To meet these demands, drastic improvements need to be made in cellular network architecture. Kth information and communication technology 2g30 mobile and wireless network architectures maguire total pages. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in. Research article architectural shift from 4g to 5g. The solution to this challenges can be found in a novel mobile network architecture called cloud radio access network cran that is expected to be the essential part of the next fifth generation. The telecommunication companies like ntt docomo from japan and sprint nextel were also deploying 4g wireless technologies from the early 2006 along with 3g mobile.

We show an example of a 4g lte virtualized core network in. He writes troubleshooting content and is the general manager of lifewire. This paper presents the results of a detailed survey on the fifth generation 5g cellular. Imtadvanced for the fourth generation 4g of mobile technologies312. 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. Data rate in 4g system will range from 20 to 100 mbps. Pdf mobile network architecture evolution 1g to 4g nigel. The first deployments were simply known as lte, but later deployments were designated 4g lte advanced and later still 4g lte pro. The current fourth generation wireless mobile network 4g based on allip network architecture provides high data rates, low latency and lowcost implementation. Section 2 of this report discusses the gsm architecture.

This allowed for a better full service for cell phone users wishing to access the. The hlr is a systems that directly receives and processes mobile application part map transactions and messages. Lte has a whole internet protocol ip network architecture s structure and is intended to support voice, favoring visual or voice blogs online. This keeps information about the users phone number, home network identity and security keys etc. Comparision of 3g wireless networks and 4g wireless networks. Mobile equipment me this refers to the physical phone itself. This paper explores the 3gpp 5g network architecture from release 15 phase 1 and how this will evolve with the introduction of next generation core ngc network. The ltea system specified by the 3gpp lte release 10 enhances t. Gsm architecture how it works global system for mobile course by telcoma training. The aim of the 3g security architecture is to improve on the security of 2g. How to balance the flexibility to introduce new service and added latency. The core network is then the overall entity that interfaces to external networks including the public phone network and other cellular telecommunications networks. The servicedriven 5g network architecture aims to flexibly and efficiently meet diversified mobile service requirements. Due to the massive architecture of a cellular network, there are a variety of attacks.

Restructuring to multifunction terminals and horizontal services fourth generation mobile 4g means broadband mobile wireless services, which are based on ieee 802. Difference between 3g and 4g technology with comparison. At the end of the course you will understand what is gsm and full form and the gsm network architecture. The user equipment or ue is a major element of the overall 3g umts network architecture. Not only was the radio access network improved for 4g lte, but the network architecture was overhauled enabling lower latency and much better interconnectivity between elements of the radio access network, ran. The primary goal of previous generations of mobile networks has been to simply offer fast, reliable mobile data services to network users. As 4g lte systems are deployed alongside existing 2g3g systems, there will be a need to transport both t1 tdm and ethernet services for mobile.

Better than nothing, at least its wireless and mobile. With 4g, a range of new services and models will be available. The hlr manages the location updates as mobile phones roam. In theory the hlr data is stored for as long as the subscriber is with the mobile phone operator. Pdf 4g mobile network architecture olli martikainen. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are. The spectral efficiency target for the lte system is three to four times higher than the current hspa system. It is an integration of various technologies including gsm,cdma,gprs,imt2000, wireless lan.

From a general view, the newly released lteadvanced ltea is currently being introduced as a further step to lte and as the real 4g cellular standard on cellular networks evolution. This paper explores the network architecture of 4g 4th generation and lte long term evolution wireless technologies, the mobile standards used by these. Every call passes through set of equipments to reach the destination. Network evolution in 3g 4g international journal of. Evolutionary analysis of gsm, umts and lte mobile network.

For 5g, the 3gpp has standardized 5g aka, an enhanced version of aka 2. A quadband phone has the technical capability to operate on any network. This is based on a set of standards used for mobile devices and mobile telecommunications use services and networks that comply with the international mobile telecommunications2000. Longterm evolutionsystem architecture evolution ltesae marketed as 4g specified by 3rd generation.