However, the 4g technology is kept free from circuit design with an intention to gives nanosecond wings to data transfer and so has packet design only. In the uk, 3g services were launched commercially in 2003 through hutchinson 3g, now known as three. The 3g wcdma air interface standard had been designed for. Support to devices with backward compatibility with existing. Lte is a lot faster, but in high traffic areas can be slower than 3g.
Packetswitched progress of 3g technologies gave birth to 4g network. Vision of 4g this new generation of wireless is intended to complement and replace the 3g systems, perhaps in 5 to 10 years. The main features of 3g technology include wireless web base access, multimedia services, email, and video conferencing. The main factors in which 3g and 4g technologies vary is due to their services, their ways of transmission, access to the web, the rates of transfer, security as well as quality. Now, all of the mobile network operators in the uk offer 3g services, and all major mobile phone manufacturers offer 3g phones that can access these services. From 2000 to 2010 called smartphones video calls fast communication mobil tv. After the facility of 3g of providing higher data rates for fulfilling the data demanding needs of users, the new leap in the telecommunication industry is that of 4g. Accessing information anywhere, anytime, with a seamless. Systems fplmts 1997 changed to imt2000 international mobile telecom. The greatest changes are related to the access part of the network. Comparative study of 3g and 4g in mobile technology. It comes with enhancements over previous wireless technologies, like highspeed transmission, advanced multimedia access and global roaming. The fourth generation4g mobile communications will have transmission rates up to 20 mbpshigher than of 3g.
These drawbacks can be minimized when 3g services are used extensively. The systems in this standard are essentially a linear enhancement of 2g systems. The high data transfer rates will allow 3g networks to. Gsm technology was able to transfer circuit switched data over the network. When its rush hour in the city, its sometimes faster to take the back roads than the freeway. As every generation has been introduced with a new advanced technology, third generation 3g is no exception.
In early 2009, the united states surpassed japan as the country with the highest number of 3g subscribers. The customers will get a highspeed network for their communication, which is far better than the 2g technologies, particularly in data communication. The access network, called umts terrestial radio network utran, consists of base stations and base stations controllers. Presently, ntt do como andhewlettpackard are on their agenda to make it available by the year 2006. Wireless mobile communication a study of 3g technology. Provides interoperability among service providers d. On the impact of 2g and 3g network usage for mobile. Basic disadvantages of 3g requires 3g compatible handsets.
An overview of the 3g network umts can in many aspects be looked upon as an extension to gsm and gprs. On the surface, the difference between 3g and 4g is pretty simple. The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements. Here we will discuss about umts universal mobile communication system which is a 3g system. Overcrowding is relieved in existing systems with radio spectrum b. The first generation 1g was introduced in 1982, while the second generation of cellular data technologies 2g became standardized in the early 1990s. Difference between 3g and 4g technology with comparison. Quickly download files over a wireless network extremely high voice quality easily. It should support mobility, better coverage, power efficiency, reliability and most importantly security. These have been created to support the effective delivery of a range of multimedia services. There are some key components for the successful deployment of the 4g wireless technology.
The combination of these two patterns helps 3g technology to perform better and faster. It would not be too much of an exaggeration to say that people will live their lives around their 3g devices. Low transfer rates of 3g restrict the users ability to take advantage of the rich multimedia contents across the wireless networks. Spectral efficiency is the measurement of rate of information transfer over any communication system. Gsm case study is part of a series of telecommunication case studies produced under the new initiatives program of the office of the secretary general of. Arts and science college, coimbatore, india 641 048. Percent 3g country penetration percent 3g subscriber growth, 20092010 millions of 3g subscribers, 3q 2010 u. Gsm case study 2 this case has been prepared by audrey selian, itu. Latest developments in technology are not stunning now rather people are waiting impatiently for the newest modification and improvements and ready to go for it. Comparision of 3g wireless networks and 4g wireless. Your 3g device will be your pc, your phone, and your pda all in one.
What really is a third generation 3g mobile techn ology. Separation of access technology, transport technology, service technology. Lte is the modern newcomer whereas 3g has been around for a while. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Get more information about ppt on advantages of 4g technology by visiting this link. A 3g device will blur traditional boundaries of technology computing, communications, and consumer devices. The basic feature of 3g technology third generation technology is fast data transfer rates.
Difference between 1g,2g, 3g,4g and 5g advantages of 5g technology. They are both mobile data connections, but 3g is an older technology that usually delivers slower speeds. The main feature of 3g technology is that it supports greater voice and data capacity and high data transmission at lowcost. The g is short for generation, so 3g and 4g represent the third and fourth generations of mobile broadband internet. This technology provides huge benefits to mobile users. The technology is expected to be available by the year2010. The difference between 3g and lte difference between. Comparative study of 3g and 4g in mobile technology k. There are several advantages of 5g technology, some of the advantages have been shown in the above ericsson image, and many. Some characteristics of 3g services that have been proposed are. 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. The major drawbacks are from the regions where 3g is in initial stages of launch. Comparative studies on 3g,4g and 5g wireless technology.