This presentation is explaining all about the generations of mobile or cellular technology 1g2g2. Peer to peer workgroups the computers are connected by a network, however, there is not a server present. The best speeds on sprints 3g network reached 44 mbs. Bestselling authors and expert instructors keith barker and kevin wallace share preparation hints and testtaking tips, helping you identify areas of weakness and improve. Gsm is a plmn public land mobile network several providers setup mobile networks following the gsm standard within each country gsm system comprises 3 subsystems rss radio subsystem. 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 imt2000 specifications by. Difference between 3g and 4g network technology compare the. Latency is the time taken for devices to respond to each other over the wireless network. This kind of service is often called a data plan or network plan. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in turn evolved from the global system for mobile communications gsm. Expensive overweight transportable phones were still a novelty. My sim also works fine with another handset in 3g as well as.
Comparative study of 3g and 4g in mobile technology. Locator slide 1st and 2nd generation cellular systems overview 3rd generation drivers and standards cdma mobile technology. This explain the invented details,features,drawbacks,look of wireless models and comparison and evolution of technology from 1g to 5g and also explaining about wireless application and their services. As of january 20, average download speeds for the 3g network were just 3.
Comparative studies on 3g,4g and 5g wireless technology. According to the company, the average speed for 3g devices is between 600 kbs and 1. The systems in this standard are essentially a linear enhancement of 2g systems. Comparision of 3g wireless networks and 4g wireless. Separation of access technology, transport technology, service technology. On the core network cn side of the 4g systems the main purpose is to minimize changes and utilize the 3g cn elements and the 3g cn functionality as much as possible.
Computer networks a group of two or more computer systems linked together. Fig 1 gives an example of a network in a school comprising of a local area network or lan connecting computers with each other, the internet, and various servers. The main objective of the super 3g is to construct simple, low cost system by removing the complexity from wireless network and mobile handsets. Network access control provide means by which a user is connected to a telecommunication network registration association of mobile id with the users packet data protocols and addresses within the plmn, and with the users access point s to the external pdp network authentication and authorisation identification and authentication of. It was to be a network, which would provide affordable pocket mobile telephony and video at 2 mbs for everyone. Though i assumed you have a very little or zero understanding on 2g and 3g technologies like gsm, gprs and umts but if you have basic understanding of any of the technologies like gsm, gprs, core network, radio interfaces etc then it will help you a lot in understanding the concepts explained in this tutorial. Aug 07, 2009 the srnc exchanges signaling messages with the mobiles it serves, and act as a sole point of contact with the core network.
The second 3g network operator in the usa was verizon wireless in july 2002 also on cdma2000 1x evdo. A mobile phone is a portable telephone which receives or makes calls through a cell site base station, or transmitting tower. All incoming and outgoing cs connections go through gmsc. 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. It features a wider range of services and advances network capacity over the previous 2g network and also increases the rate of information transfer known as spectral efficiency. At that time telephones either connected to a fixed point or to a vehicle on the move. Contents at a glance introduction xxv chapter 1 computer network fundamentals 2 chapter 2 the osi reference model 28 chapter 3 network components 60 chapter 4 ethernet technology 112 chapter 5 ipv4 and ipv6 addresses 148 chapter 6 routing ip packets 198 chapter 7 widearea networks 230 chapter 8 wireless lans 266 chapter 9 network optimization 296 chapter 10. In reality, as of first half of 2002, 4g is aconceptual framework for or a discussion point to address future needs of a universal highspeed wireless network that will interface with wire line backbone network seamlessly. Point to the eu reference which includes radio link interface and a mobile network protocol stack bound is called lteu u to indicate that it differs from the legacy counterpart eu x2 connectivity neighboring enodebs. The 3g provides packet and voice services separately where as super 3g is based on allip network covering both packet and voice services. At a fundamental level, one can regard such a network of networks as simply another network, as in fig. Based on the international telecommunications union standards, the 3g network is the third generation of mobile networking and telecommunications.
Drift rnc a drift rnc uses the iur interface to carry ue specific signalling information between the nodeba and the srnc. I have changed two 3g enabled sim of different carriers they are also performing the same way in my htc one x. Japan was the first country to commercially launch 3g in 2001. Analysis and simulation of umts, or universal mobile telecommunications system, a 3rd generation mobile technology with increased spectral efficiency and high bandwidth can support greater data rates for voice and video data to the wireless end users. A logical view of the network is shown in figure 1.
The 3g spectrum is split up into different frequency bands for the different 3g systems with the main one in question being the umts band located between the following frequency ranges of 1900 1980, 2010 2025 and 2110 2170mhz with the fdd uplink channel found between 1900 1980mhz. As australias largest telco, telstra, prepares to shutter its 2g network for good, with the company revealing that its 3g network could meet the same fate as early as 2020. Utran is connected the core network cn via iu interface. Iu is the interconnection point between an rnc and the 3g core.
Difference between 3g and 4g network technology compare. At some point, faculty have to be advocates for their students rather than, well, hirudinea. Administration from an administrators point of view, a network can be private network which. All devices connected arbitrarily using all previous ways to connect each other, resulting in a hybrid structure. Telstra flags 3g network shutdown as early as 2020 arn. That might not seem like a significant difference, but it amounts to around half a million.
Mobile phone networks the most common example of a cellular network is a mobile phone cell phone network. I have changed the location of the phone, the problem persists. From a more practical viewpoint, a network of networks is. A 3g phone cannot communicate through a 4g network, but newer generations of phones are practically always designed to be backward compatible, so a 4g phone can communicate through a 3g or even 2g. The problem is rapidly getting worse with the increased usage of 4g to describe, in many cases, technologies that are. Clientserver the computers are connected by a network, and there is a server present. Your device is connected to the 3g network through its sim card. Radio access network topology planning for the 4g networks.
Since almost all mobile phones use cellular technology, including gsm, cdma, and amps analog, the term cell. Next generation security for 3g and 4g lte networks check point. Second ed ition mit massachusetts institute of technology. Comparision of 3g wireless networks and 4g wireless networks. Aim of course to attain a general understanding of umts systems gsm evolution towards umts 3g standards code division multiple access technology umts network elements and architecture umts air interface. The srnc exchanges signaling messages with the mobiles it serves, and act as a sole point of contact with the core network. 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. This allowed for a better full service for cell phone users wishing to access the.
The dramatic growth in smartphone and mobile app usage is creating excess signalling in networks, impacting on network performance and, in. Mar 15, 2020 your device is connected to the 3g network through its sim card in the case of a mobile phone or its 3g data card which can be of different types, like usb, pcmcia, etc. An overview of the 3g network lunds tekniska hogskola. The idea that everyone could be connected to the telephone network with a pocket phone and even more farfetched was that people would exchange pictures.
Data communication and computer network 2 all devices connected together with a single device, creating starlike structure. Comcast and tmobile have collaborated and agreed to the development of a mobile 4g network to be tested in washington d. The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements. Difference between 3g and 4g technology with comparison. This is not to say that i have anything against forpro. Ee and 3 were statistically tied in 3g speed, each averaging downloads just over 6 mbps. It is supposed that the cn of the 3g systems will be able to support the functionality of 4g system services. These have been created to support the effective delivery of a range of multimedia services. Cdma established the foundation for 3g technologies. The first commercial united kingdom 3g network was started by hutchison telecom which was originally behind orange s. In simple terms, on 3g it fluctuates in data access and network access whereas on 2g it works absolutely fine. The second 3g network operator in the usa was verizon wireless in october 2003 also on cdma2000 1x evdo. Although the umts vision was surprisingly accurate, and recognized the need for a high rate data channel to and from mobile and the need to connect to connect to computers and.
Gsm gprs umts r5 ims gprs core packet switched sgsn ggsn internet gsm ran base station base station controller. Explore summer 2006 3g mobile communication networks 6 3g mobile communication networks back ground third generation 3g is the generic term used for the next generation of mobile communications systems. The cloud radio access network, as an evolution in mobile networks, changes the traditional architecture of the network by moving the bbus to the central office. Cdma2000 uses frequency division duplexingmulticarrier fddmc mode. The arrival of 5g will eliminate 2g and 3g networks, freeing the. History of 3g the first commercial united states 3g network was by monet mobile networks, on cdma2000 1x evdo technology, but this network provider later shut down operations. What really is a third generation 3g mobile technology itu. A computer network consists of a collection of computers, printers and other equipment that is connected together so that they can communicate with each other.
Camel customised applications for mobile network enhanced logic is a set of in intelligent network type functions and procedures that make operatorspecific in services available to subscribers who roam outside their home network. Unlike wifi, with which you can get for free in hotspots, you need to be subscribed to a service provider to get 3g network connectivity. Nov 21, 2016 as australias largest telco, telstra, prepares to shutter its 2g network for good, with the company revealing that its 3g network could meet the same fate as early as 2020. While a mobile device is moving, the related network entities may be moving in a different direction or not moving at all. Downlink data rates for 3g in around 2mbps in stationary mode whilst 4g specifications it should be 1 gbps and in highly mobile environment 3g downlink speed should be around 384kbps and 100 mbps in 4g networks. The point of belonging to a network is in having relationship with other entities in the network.
The transition to 3g was completed during 20052006 in japan. Logically, iur represents a point to point link between rncs, however the physical realisation may not be a point to point link. Lte simplifying the migration to 4g networks cisco. Introduction to 3g mobile communications, second edition. Evolution of 3g describes updating cellular telecommunications network around the world to use 3g technologies. The high data transfer rates will allow 3g networks to offer multimedia services combining voice and data. It also features discussions on both 3gpp and 3gpp2 evolution paths, the specification process, and future 3g upgrades. Features of 3g 3g telecommunications, is a generation of standards for. They may be considered for most of the eutran and is used in most cases of handovers between radio cells. Jul 16, 2011 history of 3g the first commercial united states 3g network was by monet mobile networks, on cdma2000 1x evdo technology, but this network provider later shut down operations. Apr 09, 2020 based on the international telecommunications union standards, the 3g network is the third generation of mobile networking and telecommunications. Cdma is the common platform on which 3g technologies are built.
512 1189 274 283 36 342 1344 1 721 1089 1540 1607 1306 14 105 960 1435 203 1643 1582 845 478 641 96 826 197 233 1392 97 189 1352 668