The tower nearest to the users mobile phone passes data to it. In fact, the device is backward compatible with older technologies, which is why a 3g compatible phone can get 2g service if its available when 3g service is not. Introduction 3g is the third generation of mobile phone 2 3 standards and technology and represents one of the biggest opportunities the business world has ever seen, increasing the potential of mobile internet and opening. However, 3g technologies and applications have encountered obstacles that have hindered both the technology development and user acceptance.
The gateway msc or gmsc the purpose of which is to query the hlr and determine the location of the subscriber. Mobile 3g technologies potential voice capacity improvements1 reference 1x 3x 14x analog 1980s gsm 1990s cdmaone 1990s 1 approximate total number of subscribers serviced within same spectrum based on amps 1g, gsm and cdmaone technology commercial deployed in 1990s. The 3g mobile can be used as a modem for a computer that can access the internet and can download games and songs at high speed. The maximum speed of 3g is estimated to be around 2 mbps for nonmoving devices and 384 kbps in. In last section we also show the future technologies beyond third generation wireless technology. The main function of 2g technology is the transmission of information via voice signals while that of 3g technologies is data transfer via video conferencing, mms etc. Difference between 2g and 3g technology engineers garage. The term mobile broadband was first applied to 3g cellular technology. Some characteristics of 3g services that have been proposed are. While it may not sound complex, 3g technology was revolutionary at the time it was released. Security for the third generation 3g mobile system pdf. Mcknightb amit research program on internet and telecoms convergence, massachusetts institute of technology, 1 amherst street, e40237, cambridge, ma 029, usa.
In late march 2006, a 3g service was provided by the new company wana in morrocco. It discusses and analyzes the application of 3g technology, such as video calls, wireless internet access and remote monitoring. Pdf an investigation of third generation 3g mobile. Comparision of 3g wireless networks and 4g wireless. Wireless mobile communication a study of 3g technology.
Features of 3g 3g telecommunications, is a generation of standards for. In the next decade people will see the emergence of 3g networks to fully. In early 2009, the united states surpassed japan as the country with the highest number of 3g subscribers. The first commercial launch was by emtelltd in mauritius in 2004. From 2000 to 2010 called smartphones video calls fast communication mobil tv. In the next decade people will see the emergence of 3g networks to fully realize mobile. The systems in this standard are essentially a linear enhancement of 2g systems.
The 3g technologies are turning phones and other devices into multmedia players, making it possible to download music and video clips. Spectral efficiency is the measurement of rate of information transfer over any communication system. The fourth generation 4g technology is the fastest technology provide for data transfer. These lteonly chipsets, and lteonly iot m2m modules, are likely to become available in 2017 and 2018. Short message service center or smsc the node that stores and forwards short messages to and from the. A study on third generation mobile technology 3g and. Comparative studies on 3g,4g and 5g wireless technology, iosr journal of electronics and communication engineering iosrjece 4. It is still a research lab standard, the stage of broadband mobile communications that will. The technology is expected to be available by the year2010. The future of 3g the 3g craze of the early 2010s has receded.
There are some key components for the successful deployment of the 4g wireless technology. Wireless communication is the transfer of information between two or more points that are not directly connected by an electrical conductor. Presently, ntt do como andhewlettpackard are on their agenda to make it available by the year 2006. Pandya gujarat technological university, gujarat, india e mail id. Telecommunications policy 27 2003 3570 wireless internet access. What really is a third generation 3g mobile technology itu. Cdma, code division multiple access an implementation of direct sequence spread spectrum, dsss, and was used almost universally for 3g mobile communications standards as it provided an excellent format as a multiple access scheme. Comparision of 3g wireless networks and 4g wireless networks. In 2010, the total mobile subscriber base in north america, europe and asia pacific is expected to grow up to 2500. The fourth generation4g mobile communications will have transmission rates up to 20 mbpshigher than of 3g. Here we are sharing one of the latest technology 5g. The first african use of 3g technology was a 3g videocall made in johannesburg on the vodacom network in november 2004. Cdma2000 has various types, including 1xrtt, 1xevdo and 1xevdv. Percent 3g country penetration percent 3g subscriber growth, 20092010 millions of 3g subscribers, 3q 2010 u.
Gsm technology was able to transfer circuit switched data over the network. Many industry organizations only consider part of the imt2000 family of 3g standards as actual 3g technologies, in particular imtsc edge is excluded from most 3g. A comparison of selected countries by richard nunno, international bureau, fcc september 2003 for over a decade, the international telecommunication union itu has been supporting the international effort to develop an advanced thirdgeneration 3g mobile. Voice calls are interpreted through circuit switching. An investigation of third generation 3g mobile technologies and. Scribd is the worlds largest social reading and publishing site. Comparative study of 3g and 4g in mobile technology. Apart from increasing the speed of communication, the objective of this technology is to provide various valueadded services like video calling, live streaming, mobile internet access, iptv, etc on. Pdf third generation mobile technology 3g functioning. Finally, it puts forward the growth trends of 3g technology in the future. Pdf this paper objective is the functioning of 3g cellular network umts and hsdpa research under two different conditions.
The features like mobile tv, video transfers and gps systems are the additional features of 3g technology that are not available with 2g technologies. The third generation, as the name suggests, follows two earlier generations. The benefits of technology neutral spectrum licences. The impact of 4g technology on commercial interactions. What really is a third generation 3g mobile techn ology. This allowed for a better full service for cell phone users wishing to access the. Umts standard is generally preferred by countries that use gsm network. In east africa tanzania in 2007 a 3g service was provided by vodacom tanzania. 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.
This will make lte much more costeffective for iot m2m applications. The 3g application are used for many application such as. Comparative study of 3g and 4g in mobile technology, ijcsi international journal of computer science. The basic feature of 3g technology third generation technology is fast data transfer rates.
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